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300-615 Troubleshooting Cisco Data Center Infrastructure (DCIT) Questions and Answers

Questions 4

Refer to the exhibit.

An engineer is investigating a role mapping issue on a switch. The users report that they cannot view the IP addresses under the tenant “corp”. Which action resolves the issue?

Options:

A.

Add the users to the RADIUS server.

B.

Update the UNIX ID.

C.

Configure the correct secret password between the APIC and the RADIUS server.

D.

Add the updated avpair to include/corp/admin/

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Questions 5

An engineer troubleshoots a VXLAN EVPN data center. The applications in the data center fail to reach the DNS server that is located at IP 10.10.10.10. The engineer examines the BGP EVPN routing table and notes that the IP prefix route covers the DNS server is missing. Which action resolve the issue?

Options:

A.

Set the IP prefix route to represent [5]:[0]:[0]:[32]:[10.10.10.10]/224 in the routing table.

B.

Configure an IP ARP entry to represent [2]:[0]:[0]:[48]:[0050.569f.1285]:[32]:[10.10.10.10]/272 in the routing table

C.

Set the IP prefix route to represent [2]:[0]:[0]:[48]:[0050.569f.1285]:[0]:[0.0.0.0]/216 in the routing table

D.

Configure an IP ARP entry to represent [4]:[0300.0000.00fc.bd00.0309l[32]:[10.10.10.10]/136,n the routing table

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Questions 6

Refer to the exhibit.

A Cisco UCS B-Series Blade Server is configured to boot from a shared storage via an iSCSI network. When a service profile is associated with the blade, the blade fails to attach the LUN. Which action resolves the issue?

Options:

A.

Place VLAN 0 on the interface that connects to the storage

B.

Register the blade as an initiator on the storage array

C.

Implement a Layer 3 connection between the blade and the storage

D.

Establish a Layer 2 connection between the blade and the storage

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Questions 7

A network engineer notices a sudden interruption to the HSRP adjacency between the switches. The packet loss is reported on the servers for which the default gateway is set as the virtual IP of the HSRP. AII servers on

the VL AN can exchange ping messages. Which configuration set must be applied on the HSRP peers to resolve the adjacency issue?

Options:

A.

key 0 send-lifetime 00:00:00 Oct 01 2018 23:59:59 Sep 01 2020

B.

key 1 send-lifetime 00:00:00 Jun 01 2018 23:59:59 Sep 01 2022

C.

key1 accept-lifetime 00:00:00 Jun 01 2018 23:59:59 Sep 01 2020

D.

key 0 accept-lifetime 00:00:00 Oct 01 2018 23:59:59 Sep01 2020

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Questions 8

Refer to the exhibit.

The EEM script overrides all events in the system policy. What should be added to the script to resolve the issue?

Options:

A.

event statement

B.

environment variable

C.

event-default action statement

D.

configure terminal action

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Questions 9

An engineer is troubleshooting issues in Cisco UCS Director. Drag and drop the possible causes from the left onto the correct issues on the right.

Options:

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Questions 10

Refer to the exhibit.

An engineer discovers that if the vPC peer link goes down, half of the devices in VLAN 20 experience connectivity issues with the external networks Which action resolves the issue?

Options:

A.

Configure a dedicated Layer 3 link between vPC peers

B.

Allow non-vPC VLANs on a second trunk between the two vPC peers

C.

Add the non-vPC SVIs in the dual-active exclude VLAN list

D.

Exclude the non-vPC VLANs from vPC peer link

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Questions 11

Refer to the exhibit. The expected routes are not being leaked as expected from VRF RED to VRF BLUE. Which action resolves the issue?

Options:

A.

Include the "le 32" knob under the RED_TO_BLUE_ACL prefix list.

B.

Change the route targets under the VRFs.

C.

Configure VRF BLUE under the BGP configuration.

D.

Set the community to 65000:65000 under the route map.

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Questions 12

Refer to the exhibit. The monitoring team reports an inability to access the devices after a new centralized management integration. Which action resolves the issue?

Options:

A.

B. Enable SHA authentication for the admin user.

B.

C. Update the community string.

C.

D. Change the admin user permissions to write.

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Questions 13

An engineer is implementing, Fibre Channel (FC) switching on a Cisco 9000 Series Switch, but the procedure fails with the message "FC traffic is not being routed through the fabric.". Which action resolves the issue?

Options:

A.

Configure the FSPF for VSAN 10 on the NX9k-01-LAB switch.

B.

Set the FSPF interface link cost to be less than 30,000 in the IVR path.

C.

Set the FSPF hello interval on fc12 interface the NX9k-01-LAB switch.

D.

Configure the VSAN ID 10 on the link connected to fc1/12.

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Questions 14

Refer to the exhibit.

The connection between a Cisco Nexus 5548UP switch and a Cisco MDS switch fails to initialize. What is the cause of the issue?

Options:

A.

VSAN 1 is suspended.

B.

The SFP is unsupported.

C.

Trunk mode must be activated.

D.

The interface is in an incorrect mode.

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Questions 15

A system administrator connects a Cisco Nexus 2248PQ FEX to a fabric interconnect to expand the ports that

are available for connecting Cisco UCS C-Series Rack Servers. In Cisco UCS Manager, the administrator does

not see the servers connected to this FEX. Which action should be taken to resolve the issue?

Options:

A.

The FEX must be exchanged so that it supports the connectivity between fabric interconnects and UCS CSeries

servers

B.

The fabric interconnects must be rebooted before the FEX is recognized

C.

The transceivers must be exchanged to support the connectivity between the FEX and the fabric

interconnects

D.

The ports that connect the FEX to the fabric interconnects must be configured as server ports

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Questions 16

Your client reports that many flaps and server cluster disconnects occur in their data center. While troubleshooting the issue, you discover a network attack hitting their Cisco Nexus 7000 Series Switches and determine that the source IP addresses are spoofed. Which first-line security solution resolves this issue?

Options:

A.

Dynamic ARP Inspection

B.

Unicast RPF

C.

IP Source Guard

D.

Storm Control

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Questions 17

A network engineer discovers a DNS resolution problem on a device that is using the Cisco Nexus Bash shell.

The device name is app with an IP address of 10.10.10.1. The primary server IP address is 172.16.10.1 and

the secondary server IP address is 172.16.10.2. When the abc.com resolution fails, it should attempt to use

efg.com. Which settings must be added to resolv.conf file to resolve the issue?

Options:

A.

Option A

B.

Option B

C.

Option B

D.

Option D

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Questions 18

Refer to the exhibit. One of the vPC VTEPs fails to route VXLAN traffic to vPC connected hosts. When the issue was being diagnosed, it was discovered that the packets that were expected to be forwarded to the MAC address on the SWITCH-VTEP-1 are instead forwarded to the MAC address on SWITCH-VTEP-2 and then dropped. Which action resolves the issue?

Options:

A.

Configure a distributed anycast gateway on both peers

B.

Configure ip arp synchronize under the VPC domain on both peers

C.

Configure peer-gateway under the VPC domain on both peers

D.

Configure a different secondary IP address for one of the vPC peers

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Questions 19

Refer to the exhibit.

A web browser displays a “not secure” warning message when accessing the web interface of Cisco UCS Manager. Which action resolves the issue?

Options:

A.

Load third-party certificate to UCS Manager.

B.

Use the correct TCP port for HTTPS.

C.

Use a supported web browser.

D.

Use a supported version of UCS Manager.

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Questions 20

Refer to the exhibit. A network engineer configures an authentication domain through an LDAP provider on the Cisco UCS Manager for users from different companies to log into their respective organizations created in the UCS Manager. The engineer tests the configuration and notices that any user has login access to any organization in the UCS Manager. Which action should be taken to resolve the issue?

Options:

A.

Configure the Filter field with sAMAccountName=$company

B.

Configure the Attribute field with the company

C.

Configure the Attribute field with sAMAccountName=$company

D.

Configure the Filter field with the company

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Questions 21

Refer to the exhibits. An engineer is implementing the SAN based on the Cisco MDS 9000 Series Switches. When operating the environment, the engineer encounters the error shown. Which action resolves the issue?

Options:

A.

Copy VSAN 101 to the fabric binding database on the MDS-1 switch

B.

Add the World Wide Name of the neighboring switch to the MDS-1 switch

C.

Configure the port security feature on the MDS-1 switch

D.

Enable VSAN 101 on the peer MDS 2 switch fabric interconnect

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Questions 22

A network engineer is implementing the Cisco ACI Fabric and notices that the Leaf-1 switch is registered, has

an assigned name, but is displayed as inactive in the APIC. After further investigation, it became clear that the

leaf switch was recently moved from another Cisco ACI environment. Which action resolves the problem?

Options:

A.

Clean reload the Leaf-1 switch

B.

Define the new TEP address for Leaf-1

C.

Change the clock offset from low to high between apic 1 and Leaf-1

D.

Modify the ISIS interface peering IP address between apic 1 and Leaf-1

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Questions 23

A customer configures HSRP between two data centers that are interconnected with OTV. The configuration succeeds, but traffic between two ESXi virtual hosts on the same site is routed suboptimally through the OTV overlay. Which two actions optimize the traffic? (Choose two.)

Options:

A.

Disable first-hop redundancy.

B.

Filter HSRP traffic by using a Layer 3 VACL on the OTV edge devices.

C.

Filter HSRP by using a Layer 2 MAC-list on the ESXi vSwitch.

D.

Filter HSRP traffic by using a Layer 3 VACL on the ESXi vSwitch.

E.

Filter HSRP by using a Layer 2 MAC-list on the OTV edge devices.

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Questions 24

The Cisco Nexus switch is connected to a peer switch that is not running Cisco NX-OS. The switches are connected using port channel and are experiencing packet loss. Which action should be performed on the Cisco Nexus switch ports to resolve this issue?

Options:

A.

Turn on lacp suspend-individual.

B.

Turn on lacp graceful-convergence.

C.

Turn off lacp graceful-convergence.

D.

Turn off lacp suspend-individual.

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Questions 25

Refer to the exhibit.

During implementation of a Cisco UCS C-Series Server, an engineer receives the status that is shown in the exhibit. Which action resolves the issue.

Options:

A.

Reconfigure the Drive Type from "Removable" to "Non-Removable"

B.

Insert an SD card into SLOT-2

C.

Configure the RAID that is associated with the card.

D.

Set SLOT-1 Sync Mode to "Auto"

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Exam Code: 300-615
Exam Name: Troubleshooting Cisco Data Center Infrastructure (DCIT)
Last Update: Jun 15, 2025
Questions: 167
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