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350-801 Implementing Cisco Collaboration Core Technologies (350-801 CLCOR) Questions and Answers

Questions 4

Drag and drop the SNMPv3 message types from the left onto the corresponding definitions on the right.

Options:

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Questions 5

Refer to the exhibit.

When a call is received on Cisco Unified Border Element. from which

lP does it allow a connection?

Options:

A.

192.168.100.103

B.

192.168.102.102

C.

192.168.100.102

D.

192.168.101.201

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Questions 6

What is the default TCP port for SIP OAuth mode in Cisco UCM?

Options:

A.

5011

B.

3174

C.

8443

D.

5090

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Questions 7

An engineer is configuring a phone system CISCO UCM and wants to activate TFTP service. The engineer selects the serviceability page for configuration. Which nodes configurable for TFTP?

Options:

A.

any two nodes

B.

any node

C.

only nodes that have Cisco UCM service enabled

D.

any subscriber nodes

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Questions 8

An engineer implements a new Cisco UCM based telephony system per these requirements.

•The local Ethernet bandwidth is sized based on the total bandwidth per call

•A G 736 codec is used.

•The bit rate is 64 kbps

•The codec sample interval is 10 ms

•The voice payload size is 160 bytes per 20 ms

What should the size of the Ethernet bandwidth be per call?

Options:

A.

31.2 kbps

B.

38.4 kbps

C.

55.2 kbps

D.

87.2 kbps

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Questions 9

Which two configuration elements are part of the Cisco UCM toll-fraud prevention?(Choose two.)

Options:

A.

feature control policy

B.

partition

C.

SIP trunk security profile

D.

SUBSCRIBE Calling Search Space

E.

Calling Search Space

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Questions 10

What is the maximum one-way latency and jitter for voice before quality issues arise?

Options:

A.

≤ 100 ms Latency and S 10 ms jitter

B.

≤ 150 ms Latency and s 30 ms jitter

C.

≤ 90 ms Latency and <30 ms jitter

D.

≤ 300 ms Latency and < 60 ms jitter

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Questions 11

Which service must be enabled when LDAP on cisco UCM is used?

Options:

A.

Cisco AXL Web Service

B.

Cisco CallManager SNMP Service

C.

Cisco DirSync

D.

Cisco Bulk Provisioning Service

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Questions 12

An administrator is developing an 8-class QoS baseline model. The CS3 standards-based marking recommendation is used for which type of class?

Options:

A.

Scavenger

B.

best effort

C.

voice

D.

call signaling

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Questions 13

An engineer wants to manually deploy a CISCO Webex DX80 Video endpoint to a remote user. Which type of provisioning is configured on the endpoint?

Options:

A.

Cisco Unified Border Element

B.

Cisco Unity Connection

C.

Cisco Meeting Server

D.

Edge

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Questions 14

An engineer with ID0123456789 is designing a new dial plan for a customer that has offices in several countries on four continents around the world. This client also wants to integrate with a Microsoft Lync backend. Which dial plan type does the engineer recommend?

Options:

A.

H.323

B.

SIP URI

C.

E.164

D.

TEHO

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Questions 15

What are two QoS requirements for VoIP traffic?

Options:

A.

Voice traffic must be marked "to DSCP EF.

B.

Loss must be no more man 1 percent.

C.

Voice traffic must be marked to DSCP AF41.

D.

One-way latency must be no more than 200 ms.

E.

Average one-way jitter is greater than 50 ms.

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Questions 16

An engineer must configure a new Cisco UCM translation pattern to convert 915555555555 into 1665 Which translation pattern must be used?

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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Questions 17

Which action prevents toll fraud in Cisco UCM?

Options:

A.

Implement route patterns in Cisco UCM.

B.

Implement toll fraud restriction in the Cisco IOS router.

C.

Allow off-net to off-net transfers.

D.

Configure ad hoc conference restriction.

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Questions 18

An engineer is notified that the Cisco TelePresence MX800 that is registered in Cisco Unified communications Manager shows an empty panel, and the Touch 10 shows a corresponding icon with no action when pressed. Where does the engineer go to remove the inactive custom panel?

Options:

A.

The phone configuration page in CUCM Administration

B.

The SIP Trunk security profile page in CUCM Administration

C.

The software Upgrades page in CUCM OS Administration

D.

The In-Room control Editor on the webpage of the MX800

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Questions 19

A Cisco IP Phone 7841 that is registered to a Cisco Unified Communications Manager with default configuration receives a call setup message. Which codec is negotiated when the SDP offer includes this line of text?

M=audio 498181 RTP/AVP 0 8 97

Options:

A.

G.711ulaw

B.

iLBC

C.

G.711alaw

D.

G.722

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Questions 20

Which DiffServe PHB preserves backward compatibility with any IP precedence scheme?

Options:

A.

expedited forwarding

B.

class selector

C.

assured forwarding

D.

default

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Questions 21

Refer to the exhibit.

In Cisco UCM, an engineer must create a new SIP route pattern that must be reachable by all internal callers. The internal callers have a calling search space named CSSJNTERNAL that includes a partition named PTJNTERNAL. The SIP trunk has a calling search space named CSS_SIP_RP that includes the two partitions named PT_SIP_INTERNAL and PT_SIP_LOCAL What must be used as the route partition for the SIP route pattern?

Options:

A.

PT_NTERNAL

B.

PT_SIPJNTERNAL

C.

PT_SIP_LOCAL

D.

CSS_NTERNAL

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Questions 22

A Cisco UCM location between a client's headquarters and branch office is configured for 512 kbps of audio bandwidth and 384 kbps of video bandwidth. What is the maximum number of G.711 calls allowed through this link?

Options:

A.

6

B.

7

C.

8

D.

11

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Questions 23

How is bandwidth allocated to traffic flows in a flow-based WFQ solution?

Options:

A.

All the bandwidth is divided based on the QoS marking of the packets.

B.

Each type of traffic flow has equal bandwidth.

C.

Bandwidth is divided among traffic flows. Voice has priority.

D.

Voice has priority and the other types of traffic share the remaining bandwidth.

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Questions 24

The security department will audit an IT department to ensure that the proper guidelines are being followed. The reports of the call detail records show unauthorized access to PSTN. Which two actions should an administrator check to prevent the unauthorized use of the telephony system? (Choose two.)

Options:

A.

Ensure that ad hoc conference calls are dropped if an external user is add.

B.

Call forward settings (ALL/Busy/No Answer) are restricted to internal extensions in the network

C.

Add an additional firewall between the Cisco UCM server and the Expressway Core server.

D.

For extension mobility, logged-out CSS is restricted to internal extensions and emergencies.

E.

Forced authorization code is used to recognize a dialing extension and authorize an international call.

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Questions 25

Where does an administrator establish the trust boundary on a LAN?

Options:

A.

core router

B.

voice VLAN

C.

access switch

D.

distribution switch

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Questions 26

An engineer must configure a SIP integration between cisco UCM and cisco Unity Connection. These components are configured already:

Drag and drop the components from the left into the order they must be configured on the right.

Options:

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Questions 27

Which behavior occurs when Cisco UCM has a CallManager group that consists of two subscribers?

Options:

A.

Endpoints attempt to register with the bottom subscriber in the list.

B.

Endpoints attempt to register with the top subscriber in the list.

C.

Endpoints attempt to register with both subscribers in a load-balanced method.

D.

If a subscriber is rebooted, endpoints deregister until the rebooted system is back in service.

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Questions 28

An administrator has been asked to implement toll fraud prevention in Cisco UCM Which tool is used to begin this process?

Options:

A.

Cisco UCM class of service

B.

Cisco Unified Mobility

C.

Cisco UCM Access Control Group restrictions

D.

Cisco Unified Real-Time Monitoring Tool

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Questions 29

An engineer configures a Cisco Unified Border Element and must ensure that the codecs negotiated meet the ITSP requirements. The ITSP supports G.7llulaw and G.729 for audio and H.264 for video. The preferred voice codec is G.711. Which configuration meets this requirement?

Options:

A.

B.

C.

D.

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Questions 30

A user dials 9011841234567 to reach Vietnam. Which steps send the call to the PSTN provider as 011841234567?

A)

B)

C)

D)

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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Questions 31

What are two features of Cisco Expressway that the customer gets if Expressway-C and Expressway-E are deployed?(Choose two.)

Options:

A.

highly secure real-traversal technology to extend organizational reach.

B.

additional visibility of the edge traffic in an organization.

C.

complete endpoint registration and monitoring capabilities for devices that are local and remote.

D.

session-based access to comprehensive collaboration for remote workers, without the need for a separate VPN client.

E.

utilization and adoption metrics of all remotely connected devices.

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Questions 32

An organization is deploying a Cisco Unified Border Element for Webex calling. The engineer's voice gateway is a Cisco CSRlOOOv on version 17.x.x. How must the engineer configure G.729 codec to be the first priority for all calls, followed by GJHulaw and G.711alaw?

A)

B)

C)

D)

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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Questions 33

Refer to the exhibit. A customer submits this debug output, captured on a Cisco IOS router. Assuming that an MGCP gateway is configured with an ISDN BRI interface, which BRI changes resolve the issue?

Options:

A.

B.

C.

D.

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Questions 34

A Cisco UCM administrator wants to enable the Self-Provisioning feature for end users. Which two prerequisites must be met first? (Choose two.)

Options:

A.

End users must have a secondary extension.

B.

Cisco Extended Functions service must be running

C.

End users must belong to Standard CCM Admin Users group, the Standard CCM End Users group, and the Standard CCM Self-Provisioning group.

D.

End users must have a primary extension.

E.

End users must be associated to a user profile or feature group template that includes a universal line template and universal device template.

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Questions 35

Refer to the exhibit. Which action must an engineer take to implement self-provisioning on a primary communications manager server?

Options:

A.

Select a different Universal Line Template.

B.

Change the SIP Phone Secure Port.

C.

Uncheck the auto-registration Disabled checkbox.

D.

Select a different Universal Device Template.

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Questions 36

Which command enables SIP OAuth mode on a Cisco UCM publisher node?

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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Questions 37

Refer to the exhibit.

Which codec should an engineer select for a call made between "Dallas-REG' & "Austin-REG'?

Options:

A.

MP4A-LATM

B.

G.711

C.

OPUS

D.

G.729

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Questions 38

On which protocol and port combination does Cisco Prime Collaboration receive notifications (Traps and InformRequests) from several network devices in the Collaboration infrastructure for which it has requested notifications?

Options:

A.

UDP161

B.

TCP 161

C.

UDP 162

D.

TCP 80

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Questions 39

User A Calls user. The call gets connected, but the quality is bed. What are two reasons for this issue? (Choose two)

Options:

A.

Incorrect partition

B.

No region relationship

C.

Network congestion

D.

Incorrect QoS

E.

Incompatible codec

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Questions 40

Refer to the exhibit.

Endpoint A calls endpoint B. What is the only audio codec that can be used for the call?

Options:

A.

G722/8000

B.

Telephone-event/8000

C.

G7221/46000

D.

PCMA/8000

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Questions 41

An engineer troubleshoots outbound can failure on an ISDN-PRI circuit. The engineer ts suspecting the 'Incomplete Destination". Which debugs or commands are run in the voice gateway to troubleshoot the issue?

Options:

A.

debug isdn q921

term mon

B.

debug voip ecapi inout

show controller ti

C.

debug isdn q931

show isdn status

D.

debug isdn q921

debug voip ecapi inout

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Questions 42

Refer to the exhibit.

https://i.postimg.cc/C57TkczG/image.png

A call is falling to establish between two SIP Devices The called device answers with these SOP Which SOP parameter causes issue?

Options:

A.

The calling device did not offer a ptime value

B.

The media stream is set to send only

C.

The payload for G.711ulaw must be 18.

D.

The RTP port is set to 0.

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Questions 43

How does Cisco define jitter?

Options:

A.

voice packet loss that is greater than 1 %

B.

excessive network latency

C.

varying delay of received voice packets

D.

varying delay of sent voice packets

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Questions 44

An engineer must add a new user account and mailbox in Cisco Unity Connection. Drag and drop the configuration steps from the left into the correct order on the right.

Options:

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Questions 45

The chief technology officer at a company must onboard devices to the cloud A workspace is created in Cisco Webex Control Hub for every device. What must be generated to complete the on boarding process?

Options:

A.

16-digit activation code to share with all the devices

B.

16-digit activation code for each devices

C.

15-digit activation code for each devices

D.

15-digit activation code to share with at all devices

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Questions 46

What is a reason for using a Diffserv value of AF41 for video traffic?

Options:

A.

Video traffic cannot tolerate any packet loss and has a latency of 150 miliseconds

B.

Video traffic can tolerate up to 10% packet loss and latency of 10 seconds

C.

Video trafic can tolerate up to 5% packet loss and latency of 5 seconds

D.

Video traffic can tolerate a packet loss of up to 1% and latency of 150 milliseconds

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Questions 47

Refer to the exhibit. An administrator configured a codec preference list with 0,122 and ILBC codecs. Which change must the administrator make in the dial-peer section of the configuration to use this list?

Options:

A.

add voice-codecs 20

B.

add session codec 20

C.

add codec preference 20

D.

add voice-class codec 20

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Questions 48

Callers from a branch report getting busy tones intermittetly when trying to reach colleagues in other office branches during peak hours. An engineer collects Cisco

CallManager service traes to examine the situation. The traces show:

What should be fixed to resolve the issue?

Options:

A.

class of service configuration

B.

region configuration

C.

geolocation configuration

D.

codec configuration

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Questions 49

Which endpoint feature is supported using Mobile and Remote Access through Cisco Expressway?

Options:

A.

SSO

B.

H.323 registration proxy to Cisco Unified Communications Manager

C.

MGCP gateway registration

D.

SRST

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Questions 50

What is a benefit of Easy/QoS?

Options:

A.

It configures QoS on the network.

B.

It provisons QoS for Layer 3 devices automatically.

C.

It expresses business relevance for applications.

D.

It allows single command QoS deployment.

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Questions 51

An engineer with troubleshoots poor voice quality on multiple calls. After looking at packet captures, the engineer notices high levels of jitter. Which two areas does the engineer check to prevent jitter? (Choose two.)

Options:

A.

Voice packets are classified and marked

B.

All devices use wired connections instead of wireless connections

C.

The network meets bandwidth requirements

D.

Cisco UBE manages voice traffic, not data traffic

E.

MTP is enable on the sip trunk to cisco Unified Border Elemnet

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Questions 52

Refer to the exhibit. An engineer is troubleshooting this video conference issue:

*A video call between a Cisco 9971 in Region1 and another Cisco 9971 in Region1 works.

*As soon as the Cisco 9971 in Region1 conferences in a Cisco 8945 in Region2. the Regio1l endpoint cannot see the Region2 endpoint video.

What is the cause of this issue?

Options:

A.

Maximum Audio Bit Rate must be increased.

B.

Maximum Session Bit Rate for Immersive Video Calls is too low.

C.

Maximum Session Bit Rate for Video Calls is too low.

D.

Cisco 8945 does not have a camera connected.

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Questions 53

Which transport protocol does the application layer protocol SNMP use?

Options:

A.

HTTP

B.

XML

C.

UDP

D.

SIP

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Questions 54

A network engineer must convert an inbound number 14085551111 when it reaches Cisco UCM and then converts it to an internal extension 3022, so it can ring to a specific desk. Which action meets this requirement?

Options:

A.

Create a route group and route list and assign it to the translation pattern.

B.

Create translation pattern 14085551111, called party transform mask 3022.

C.

Change the partition and calling search space on the DID for the specific desk.

D.

Create a route pattern 9.1XXXXXXXXXX and assign it to the trunk.

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Questions 55

Which values must be enabled to set up QoS for video conferencing on a VoIP network?

Options:

A.

CS4 and DSCP 32

B.

AP41 and DSCP 34

C.

AF31 and DSCP 34

D.

CS3 and DSCP 24

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Questions 56

-

Guidelines

-

This is a lab item in which tasks will be performed on virtual devices.

• Refer to the Tasks tab to view the tasks for this lab item.

• Refer to the Topology tab to access the device console(s) and perform the tasks.

• Console access is available for all required devices by clicking the device icon or using the tab(s) above the console window.

• All necessary preconfigurations have been applied.

• Do not change the enable password or hostname for any device.

• Save your configurations to NVRAM before moving to the next item.

• Click Next at the bottom of the screen to submit this lab and move to the next question.

• When Next is clicked, the lab closes and cannot be reopened.

Topology

Tasks

-

The operations team started configuring network devices for a new site.

Complete the configurations to achieve these goals:

1. Ensure that port channel Po1 between DISTRO-SW01 and DISTRO-SW02 is operational using the LACP protocol. Configuration changes for this task must be made on DISTRO-SW01.

2. Ensure that traffic on VLAN 10 is carried as untagged traffic between DISTRO-SW01 and DISTRO-SW02.

3. Complete the Rapid-PVST+ configuration on DISTRO-SW2 by ensuring it it the secondary root switch for all VLANs in the range of 1 to 1005.

DISTRO-SW01

DISTRO-SW02

-

Options:

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Questions 57

An administrator is configuring a new Cisco UCM with PSTN capabilities. Due to

bandwidth constraints, audio compression is used on the codec. DTMF must work as

expected because the customer is calling many call centers where the users must select

options in the call. Where is DTMF out-of-band in a CCM 12.5 with SIP-based gateway

configured?

Options:

A.

in the DTMF setting under SIP profile on the Cisco Unified Border Element

B.

in the dial peer on the Cisco IOS router

C.

in regions on the Cisco UCM where the appropriate codec to use is set

D.

in DTMF settings in the audio codec preference list under regions in the Cisco UCM

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Questions 58

Which two technical reasons make QoS a necessity in a video deployment? (Choose Two)

Options:

A.

Low response time between endpoints

B.

Provisioned bandwidth of the link

C.

Variable bit rate of the video stream

D.

Bursly behavior of video traffic

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Questions 59

Refer to the exhibit. An engineer is confining class of control for a user in Cisco UCM. Which change will ensure that the user is unable to call 2143?

Options:

A.

Change line partition to Partition_A

B.

Change line CSS to only contain Partition_B

C.

Set the user's line CSS to

D.

Set the user's device CSS to

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Questions 60

What describes the outcome when the trust boundary is defined at the Cisco IP phone?

Options:

A.

Packets or Ethernet frames are remarked at the distribution layer switch.

B.

Packets or Ethernet frames are not remarked at the access layer switch.

C.

Packets or Ethernet frames are not remarked by the IP phone.

D.

Packets or Ethernet frames are remarked at the access layer switch.

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Questions 61

An engineer must configure codec on a Cisco Unified Border Element to prefer the G.711 ulaw and use G.711 codec as the

next The engineer logs In to the CUBE, enters the dial.peer configuration level, and runs the voice-class codec 100 command. Which set of commands completes the configuration?

Options:

A.

voice class codec 100 codec g7llalaw preference 1 codec a7Hulaw preference 2

B.

voice class codec 11j codec

C.

vice class codec 100

codec preference 1 g7llulaw

codec preference 2 o711alaw

D.

voice class codec ::: codec g711ulaw g711alaw

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Questions 62

Which congestion management mechanism must be used to reduce VoIP packet drops?

Options:

A.

policy-based routing

B.

route maps

C.

digital signal processor transcoders

D.

low latency queueing

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Questions 63

Refer to the exhibit. Which codec should an engineer select for a call mode between “Dallas- REG” & “Austin-REG”?

Options:

A.

MP4A-LATM

B.

G.729

C.

OPUS

D.

G.711

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Questions 64

What an advantage of using of the SIP OAuth mode in Cisco Jabber?

Options:

A.

secure signaling and media

B.

authentication of SIP messages

C.

reduced authentication times

D.

usage of self-signed certificates

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Questions 65

What happens to voice packets from a Cisco 8845 IP phone in the QoS trust boundary?

Options:

A.

The voice packets are not trusted, and the access layer switch reclassifies the packets.

B.

The voice packets are classified by the phone, and the classification is accepted

C.

The voice and access layer switch negotiate the classification of packets

D.

Cisco UCM determines how the voice packers are classified.

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Questions 66

An engineer configures local roule group names to simplify a dial plan. Where does the engineer set the route groups according to the local route group names that are configured?

Options:

A.

route list

B.

device pool

C.

CSS

D.

route pattern

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Questions 67

Which two parameters influence the total number of supported conference participants on a Cisco IOS XE router that has DSP modules? (Choose two.)

Options:

A.

voice codec

B.

session capacity of the PVDM module

C.

number of protocol data units

D.

software version Of the router

E.

license types

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Questions 68

SIP proxies have operations defined in RFC 3261 and supporting extensions. Though no lETF RFC completely defines how SBCs must function. SBCs evolved over the years.

Which two operations demonstrate the high-level differences between SBCs and SIP proxies? (Choose two.)

Options:

A.

Stateful proxies are context-aware and can terminate communication sessions by themselves

B.

SlP proxies add a Via header and optionally a Record-Route header, and the rest of the headers are left untouched

C.

SBCs can modify headers such as To, From, Contact, and Call-D.lt can introduce new headers into the SIP message

D.

SBCs are capable of interworking completely different protocols to set up, modify, and tear down communication sessions. It includes SIP, H.323,and MGCP protocols

E.

SIP proxies are SDP-aware and can change the SDP bodies

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Questions 69

What is the purpose of Mobile and Remote Access with Cisco Jabber in the cisco UCM?

Options:

A.

to allow Cisco Jabber to register with Cisco UCM without trie use of a VPN from outside the corporate network

B.

to allow Cisco Jabber to register with Cisco UCM via a remote access VPN from a branch office

C.

to allow Cisco Jabber to register with Cisco UCM via a remote access VPN from outside the corporate network

D.

to allow Cisco Jabber to register with Cisco UCM via a site-to-srte VPN from a branch office

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Questions 70

A DTMF mismatch is occurring between an MGCP gateway registered FXS port and a Cisco Unified communications Manager SIP trunk. Which media resource can be leveraged to interwork this mismatch?

Options:

A.

Media Termination point

B.

Conference Bridge

C.

Annunciator

D.

Trust relay point

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Questions 71

Which method is used to avoid toll fraud with Cisco Unified Communications Manager calls?

Options:

A.

Call policy service

B.

Default zone access rules

C.

TOLLFRAUD_APP

D.

Class of service

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Questions 72

Which actions required for a firewall configuration on a Mobile and Remote Access

through Cisco Expressway deployment?

Options:

A.

The traversal zone on Expressway-c points to Expressway-e through the peer address field on the traversal zone, which specifies the Expressway-e server address. For dual NIC deployments, set the Expressway-e address using an FQDN that resolves the IP address of the internal interface

B.

The external firewall must allow these inbound connections to Expressway: SIP: TCP 5061; HTTPS: TCP 8443; XMPP TCP 5222; media: UDP 36002 to 59999

C.

Do not use a shared address for Expressway-e and Expressway-c, as the firewall

cannot distinguish between them. If static NAT for IP addressing on Expressway-e is used, ensure that any NAT operation on expressway-c does not resolve the same traffic IP address. Shared NAT IS not supported

D.

The internal firewall must allow these inbound and outbound connections between

expressway - c and Expressway-e :sip;HTTPS(tunneled over SSH between C and E.

TCP 2222: TCP 7001: Traversal Media: UDP 2776 to 2777(or 36000 to 36011 for large VM/appliance); XMPP:TCP 7400

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Questions 73

When designing the capacity for a Cisco UCM 12.x cluster, an engineer must decide which VMware template will be used for each node. What is the lowest number of users supported in a template and the highest number of users in a template?

Options:

A.

750 and 15.000 users

B.

750 and 10.000 users

C.

500 and 10.000 users

D.

1000 and 10.000 users

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Questions 74

A collaboration engineer is troubleshooting issues with a T1 PRi The engineer wants to confirm if the router received an ISON Set Asynchronous Balanced Mode Extended message and responded with an Unnumbered Acknowledge frame Which Cisco OS command is used to debug ISDN Laver 2 issues?

Options:

A.

debug isdn q931

B.

debug isdn q921

C.

debug voice q921

D.

debug voip ccapi mout

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Questions 75

What is a characteristic of a SIP endpoint configured in Cisco UCM with ’Use Trusted Relay Point' set to "On’?

Options:

A.

It creates a trust relationship with the called party.

B.

It enables the Use Trusted Relay Point setting from the associated common device configuration.

C.

It enables Cisco UCM to insert an MTP or transcoder designated as a TRP.

D.

If TRP is allocated and MTP is also required for the endpoint. calls fail.

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Questions 76

Which two steps are required for bulk configuration transactions on the Cisco UCM database utilizing BAT? (Choose two.)

Options:

A.

A data file in Abstract Syntax Notation One format must be uploaded to Cisco UCM

B.

A server template must be created in Cisco UCM

C.

A data file in comma-separated values format must be uploaded to Cisco UCM

D.

A data file in Extensible Markup Language format must be uploaded to Cisco UCM

E.

A device template must be created in Cisco UCM

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Questions 77

Which configuration concept allows for high-availability on IM and Presence services in a UC environment?

Options:

A.

IM and Presence subclusters (configured on Cisco UCM)

B.

Presence Redundancy Groups (configured on Cisco Unified IM and Presence)

C.

IM and Presence subclusters (configured on Cisco Unified IM and Presence)

D.

Presence Redundancy Groups (configured on Cisco UCM)

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Questions 78

What is the purpose of a DNS CNAME record?

Options:

A.

to provide system information about a host

B.

to define an alias hostname

C.

to map a hostname to an IP address

D.

to map an IP address to a domain name

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Questions 79

An administrator troubleshoots call flows and suspects that there are issues with the dial plan. Which tool enables a quick analysis of the dial plan and provides call flows of dialled digits?

Options:

A.

Cisco Dial Plan Analyzer

B.

Dial Plan Analyzer

C.

Digit Analysis Analyzer

D.

Dialed Number Analyzer

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Questions 80

The IP phones al a customer site do not pick an IP address from the DHCP An engineer must temporarily disable LLDP on all ports of the switch to leave only CDP. Which two commands accomplish this task? (Choose two.)

Options:

A.

Switch# copy running-config startup-config

B.

Switch(config)# no lldp run

C.

Switch# configure terminal

D.

Switch(conlicj)# interface GigabitEthernet1/0/1

E.

Switch(config># no lldp transmit

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Questions 81

What are two differences between media flow-around and media flow-through on cisco unified Border element? (Choose two.)

Options:

A.

When using media flow-around, the can signaling goes through the Cisco Unified Border Element, but media is not passed through It.

B.

When using media flow-through, call signaling goes through the Cisco Unified Border Element, but media does not

C.

When using media flow-through, the call signaling and media are passed through the Cisco Unified Border Element

D.

When using media flow-through, the call signaling goes through the Cisco Unified Border Element, but media is not passed through When using media flow-around, both call signaling and media do not go through the Cisco Unified Border Element

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Questions 82

Refer to the exhibit. Cisco Unified element is attempting to establish a call with Subcribers1, but the call fails. Cisco Unified Border Element then retries the same call with Subcribers2, and the call proceeds normally.

Which action resolves the issue?

Options:

A.

Verify that the correct calling search space is selected for the inbound Calls section

B.

Verify that the run on all active United CM Nodes checkbox is enabled

C.

Verify that the Significant Digits field for inbound Calls is set to All.

D.

Verify that the PSTN Access checkbox is enabled.

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Questions 83

A remote office has a less-than-optimal WAN connection and experiences packet loss, delay and jitter. Which VoIP codec is used in this situation?

Options:

A.

G722.1

B.

iLBC

C.

G.711alaw

D.

G.729A

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Questions 84

An administrator is in the process of moving Cisco Unity Connection mailboxes between mailbox stores. The administrator notices that some mailboxes have active Message Waiting Indicators. What happens to these mailboxes when they are moved?

Options:

A.

The move will fail if MWI status is active.

B.

The MWI status is retained after a mailbox is moved from one store to another.

C.

If the source and target mailbox store are not disabled, MWI status is not retained.

D.

Moving the mailboxes from one store to another fails if MWI is turned on.

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Questions 85

According to QoS guidelines, what is the packet loss for streaming video?

Options:

A.

Not more than 8%

B.

Not more than 1%

C.

Not more than 3%

D.

Not more than 5%

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Questions 86

What is a capability of the call forwarding feature in a Cisco Webex dial plan?

Options:

A.

It forwards calls when a line is busy by enabling the call waiting feature.

B.

It forwards calls to the voicemail of a mobile phone when there is no answer.

C.

It provides the ability to forward a Webex meeting to another user.

D.

It chooses a tone to be played when forwarding all calls.

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Questions 87

What is a capability of a Cisco IOS XE media resource?

Options:

A.

It provides a hardware conferencing solution.

B.

It provides call forwarding capabilities.

C.

It provides redundancy for voice calls.

D.

It provides a voice packet optimization solution.

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Questions 88

During the Cisco IP Phone registration process, the TFTP download (ails. What are two reasons (or this issue? (Choose two.)

Options:

A.

The DNS server was not specified, which is needed to resolve the DHCP server IP address.

B.

Option 100 string was not specified, or an incorrect Option 100 string was specified.

C.

The Cisco IP Phone does not know the IP address of the TFTP server.

D.

The Cisco IP Phone does not know the IP address of any of the Cisco UCM Subscriber nodes.

E.

Option 150 string was not specified, or an incorrect Option 150 string was specified.

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Questions 89

Which two statements are about location CAC on Cisco UCM? (Choose two.)

Options:

A.

It stands for Call Allocation Control.

B.

It allows for bandwidth restrictions between locations.

C.

It allows for codec restrictions between locations.

D.

It allows for devices making call restrictions between locations based on numbers.

E.

It allows for QoS-based restrictions between locations.

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Questions 90

Which location must be assigned to the SIP trunk to replicate enhanced location information via a SIP trunk?

Options:

A.

phantom

B.

replica

C.

hub_none

D.

shadow

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Questions 91

Refer to the exhibit. This INVITE is sent to an endpoint that only supports G.729. What must be done for this call to succeed?

Options:

A.

Add a transcoder that supports G.711ulaw and G.729.

B.

Nothing; both sides support G.729.

C.

Add a media termination point that supports G.711ulaw and G.729.

D.

Nothing both sides support payload type 101.

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Questions 92

Refer to the exhibit.

You deploy Mobile and Remote Access for Jabber and discover that Jabber for Windows does not register to cisco Unified Communications Manager while outside of the office. What is a cause of this issue?

Options:

A.

The DNS record should be created for _ cisco-uds._tcp example.com.

B.

The DNS record should be changed from _collab-edge._tls example.com.

C.

The DNS record type should be changed from SRV to A.

D.

Server 4.2.2.2 is not a valid DNS server.

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Questions 93

Refer to the exhibit A call from +1 613 555 1234 that is sent out through the Nice Gateways should result in a calling party of 001 613 555 1234 with the numbering type "international' Which configuration accomplishes this goal?

Options:

A.

\+.001! pre-dot 1 international

B.

\+1.1 none pre-dot 001 international

C.

\+.! pre-dot 00 international

D.

613XXXXXXX none +011 internationa

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Questions 94

A collaboration engineer troubleshoots issues with a Cisco IP Phone 7800 Series. The IPv4 address of the phone is reachable via ICMP and HTTP, and the phone is registered to Cisco UCM However the engineer cannot reach the CU of the phone Which two actions in Cisco UCM resolve the issue? (Choose two)

Options:

A.

Enable SSH Access under Product Specific Configuration Layout in Cisco UCM

B.

Disable Web Access under Product Specific Configuration Layout in Cisco UCM

C.

Set a username and password under Secure Shell information in Cisco UCM

D.

Enable Settings Access under Product Specific Configuration Layout in Cisco UCM

E.

Enable FIPS Mode under Product Specific Configuration Layout in Cisco UCM

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Questions 95

Which command must be defined before an administrator changes the linecode value on an ISDN T1 PRI in slot 0/2 on an IOS-XE gateway?

Options:

A.

isdn incoming-voice voice

B.

pri-group timeslots 1-24

C.

card type t1 0 2

D.

voice-port 0/2/0:23

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Questions 96

Users want their mobile phones to be able to access their cisco unity connection mailboxes with only having to enter their voicemail pin at the login prompt calling pilot number where should an engineer configure this feature?

Options:

A.

transfer rules

B.

message settings

C.

alternate extensions

D.

greetings

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Questions 97

In which location does an administrator look to determine which subscriber the phone registers to if loses registration with the current Cisco UCM subscriber?

Options:

A.

On Cisco UCM Administration Page Device > Phone > Phone Configuration page

B.

On Cisco UCM Administrator Page server > Cisco UCM

C.

On Cisco UCM Administrator page system > Device Pool > Cisco UCM group

D.

On Cisco UCM Administrator page system > Enterprise Parameters

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Questions 98

Refer to the exhibit. Users at a company located In New York cannot place calls. The New York gateway is configured with a T1 ISDN PRI card with 24 channels. The engineer runs the show isdn status command and receives output. Which action must the engineer take to resolve the issue?

Options:

A.

Change the switch type on the ISDN card to primary-5ess.

B.

Increase the number of timeslots in the controller t1 interface.

C.

Change the card type from T1 to E1.

D.

Issue the no shut command Into the controller t1 interface.

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Questions 99

Where is Directory Connector hosted in a Cisco Webex Hybrid Services deployment?

Options:

A.

on a server in the Webex Data Center

B.

on a dedicated on-premises server

C.

on a Cisco Expressway-C connector host server

D.

on an on-premises Microsoft Active Directory server

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Questions 100

Due to service provider restriction. Cisco UCM cannot send video in the SDR Which two options on Cisco UCM are configured to suppress video in the SDP in outgoing invites? (Choose two.)

Options:

A.

Add the audio forced command to voice service VoIP on the Cisco Unified Border Element.

B.

Check the Retry Video Call as Audio on the SIP trunk.

C.

Set Video Bandwidth in the Region settings to 0.

D.

Change the Video Capabilities dropdown on the endpoint to Disabled.

E.

Check the Send send-receive SDP in mid-call INVITE check box on the SIP trunk SIP profile.

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Questions 101

Where in Cisco UCM is restrictions on audio bandwidth configured?

Options:

A.

location

B.

partition

C.

region

D.

serviceability

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Questions 102

What are the predefined call handlers in Cisco Unity Connection?

Options:

A.

opening greeting, welcome, and default system

B.

caller input, greetings, and transfer

C.

greetings, operator, and closed

D.

opening greeting, operator, and goodbye

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Questions 103

What is the Cisco UCM sizing guidance for deployments of between 5.000 and 10,000 users or devices that use the medium Open Virtual Archive template?

Options:

A.

one publisher, two TFTP, and two call processing subscribers

B.

one publisher, two TFTP, and four call processing subscribers

C.

one publisher, one TFTP, and one call processing subscriber

D.

one publisher, one TFTP, and two call processing subscribers

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Questions 104

A collaboration engineer is configuring the QoS trust boundary for Cisco UCM voice and video conferencing. Which two trust boundary configurations are valid? (choose two)

Options:

A.

QoS trust boundaries include all the devices directly attached to the access switch ports

B.

QoS trust boundaries can be extended to Jabber running on a PC

C.

QoS trust boundaries exclude Jabber softphone running on a PC

D.

QoS trust boundaries can be extended to voice and video devices if the connected PCs are included

E.

QoS trust boundaries can be extended to voice and video devices exclusively

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Questions 105

Which two features will access layer switches provide support providing high-quality voice and taking advantage of the full voice feature set? (Choose two.)

Options:

A.

Deploy RSVP to improve VoIP QoS only where it will have a positive impact on quality and functionality where there is limited bandwidth and frequent network congestion.

B.

Use multiple egress queues to provide priority queuing of RTP voice packet streams and the ability to classify or reclassify traffic and establish a network trust boundary.

C.

Map audio and video streams of video calls (AF41 andAF42) to a class-based queue with weighted random early detection.

D.

Implement IP RTP header compression on the serial interface to reduce the bandwidth required per voice call on point-to-point links.

E.

Use 802 1Q trucking and 802.1p for proper treatment of Layer 2 CoS packet marking on ports with phones connected.

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Questions 106

Refer to the exhibit. How must the +E.164 translation pattern be configured to reach international number 496929810?

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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Questions 107

Refer to the exhibit. Which route pattern can the Cisco UCM administrator apply to the configuration to allow calls to "1306.1316.1326,13*6.13#6” only?

Options:

A.

13XX

B.

13[25-8]6

C.

13!#

D.

13[A3-9)6

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Questions 108

Refer to the exhibit. An engineer configures ISDN on a voice gateway. The provider confirms that the PRI is configured with 10 channels the engineer ordered and is working from the provider side, but the engineer cannot get a B-channel to carry voice. The rest of the configuration for the serial interface and voice network is functioning correctly. Which actions must be taken to carry voice?

Options:

A.

The engineer must activate the controller card on the voice gateway before configuring the device.

B.

The engineer used a T1 interface but must use an E1 interface.

C.

The pri-group timeslots command must be 0-9 for the 10 channels because all values on a router start with 0.

D.

The engineer must manually revert the order of using the channels.

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Questions 109

Refer to the exhibit. What is the registration state of the analog port in this debug output?

Options:

A.

The analog port failed to register to Cisco UCM with an error code 200.

B.

The MGCP Gateway is not communicating with the Cisco UCM.

C.

The analog port is currently shut down.

D.

The analog port is registered to Cisco UCM.

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Questions 110

How does an administrator make a Cisco IP phone display the last 10 digits of the calling number when the call is in the connected state, and also display the calling number in the E.164 format within call history on the phone?

Options:

A.

Change the service parameter Apply Transformations On Remote Number to True.

B.

Configure a translation pattern that has a Calling Party Transform Mask of XXXXXXXXXX.

C.

On the inbound SIP trunk, change Significant Digits to 10.

D.

Configure a calling party transformation pattern that keeps only the last 10 digits.

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Questions 111

Refer to the exhibit. Calls to Cisco Unity Connection are failing across Cisco Unified Border Element when callers try to select a menu prompt Why is this happening and how is it fixed?

Options:

A.

Cisco Unity Connection is configured on G.729 only. Cisco Unity Connection must be reconfigured to support iLBC.

B.

Cisco Unified Border Element is not sending any support for DTMF. OTMF configuration must be added to the appropriate dial peer.

C.

Cisco Unified Border Element is sending the incorrect media IP address. The IP address of the loopback interface must be advertised in the SDP

D.

The Cisco Unity Connection Call Handler is configured for a "Release to Switch" transfer type Transfers must be disabled for the Cisco Unity Connection Call Handler

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Questions 112

What is the maximum length of any phone number according to ITU recommendation E.164?

Options:

A.

10

B.

12

C.

15

D.

17

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Questions 113

How many dial patterns can a Webex Calling dial plan support?

Options:

A.

1,000

B.

2,000

C.

10,000

D.

12,000

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Questions 114

What is a description of the DiffServ model used for implementing QoS?

Options:

A.

AF41 has higher drop precedence than AF42. which has higher drop precedence than AF43.

B.

Voice and video calls are marked with different DSCP values and placed in different queues.

C.

AF43 has higher drop precedence than AF42 but lower drop precedence than AF41.

D.

RTP traffic from voice and video calls is marked EF and placed in the same queue.

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Questions 115

Refer to the exhibit.

A call to an international number has failed. Which action corrects this problem?

Options:

A.

Assign a transcoder to the MRGL of the gateway.

B.

Strip the leading 011 from the called party number

C.

Add the bearer-cap speech command to the voice port.

D.

Add the isdn switch-type primart-dms100 command to the serial interface.

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Questions 116

An engineer roust configure DTMF relay on a Cisco Unified Border Element by using RFC2833 as the preferred relay mechanism and KPML as the

next preferred relay mechanism. The engineer logs in to the CUBE and enters the dial-peer configuration level. Which command should be run at

dial-peer configuration level?

Options:

A.

dtmf-relay sip-kvmi rtp-nte

B.

dtmf- relay rtp-nte sip-kpml

C.

dtmf-relay sip-kgml rtp-inband

D.

dtmf-relay rtp-inband sip-kvmi

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Questions 117

Why isn’t an end user s PC device in a QoS trust boundary included?

Options:

A.

The end user could incorrectly tag their traffic to bypass firewalls.

B.

The end user may incorrectly tag their traffic to be prioritized over other network traffic.

C.

There is no reason not to include an end user's PC device in a QoS trust boundary.

D.

The end user could incorrectly tag their traffic to advertise their PC as a default gateway.

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Questions 118

Which option must be used when configuring the Local Gateway for a Cisco Webex Calling trunk?

Options:

A.

local authentication

B.

certificate-based

C.

mutual TLS

D.

Auth-based

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Questions 119

What is set when using COS to mark an Ethernet frame?

Options:

A.

Ipp bits

B.

IP ECN bits

C.

DCSP bits

D.

802.1 p User Priority bits

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Questions 120

Refer to the exhibit. An engineer configures a VoIP dial peer on a Cisco gateway. Which codec is used?

Options:

A.

G711alaw

B.

No codec is used (missing codec command)

C.

G.711ulaw

D.

G729r8

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Questions 121

An administrator needs to stop the leading 9 from outbound calls on an IOS Voice Gateway and ensure that the system handles 911 emergency calls Which configuration is needed to accomplish this task?

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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Exam Code: 350-801
Exam Name: Implementing Cisco Collaboration Core Technologies (350-801 CLCOR)
Last Update: Jan 18, 2026
Questions: 406
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