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Which command is used to enable BIDIR-PIM under global configuration mode for Cisco IOS XE Software?
Which two routing protocols have extensions capable of running SRv6? (Choose two.)
Refer to the exhibits.
All links inside the network are configured at a default cost of one inside the fully converged OSPF domain. Given the configuration from XR1, which interface does traffic from XR1 that is destined to the loopback interface of XR6 select for the exiting interface?
The ISP_A network is configured with PIMv2 with sparse mode. The engineering team at ISP_A must implement multicast support following RFC 5059 in the network. The RP priority will be 0, and the solution must require limited supervision from the operations team. Which action must the team take to meet the requirements?
Refer to the exhibit.
Router 1 has attempted to establish a Cisco MPLS TE tunnel to router 2, but the tunnel
has failed. Which statement about this configuration is true?
Refer to the exhibit A network engineer configured the redistribute connected subnets route-map filtering command on R1 to redistribute connected interfaces to the OSPF process The engineer also wants to filter out IP address 10 0 1 0/24. but the prefix still appears in the routing tables of the other routers on the network. Which action corrects the problem?
Refer to the exhibit.
An engineer is addressing an IS-IS design issue which is running within the topology. All
links are running on FastEthernet, except the link between R5 and R4, which is Gigabit Ethernet. Which statement about the design is true?
Refer to the exhibit After recent configuration changes to a customer's network, a network engineer notices that R2 cannot communicate with R3 Both FastEthemet interfaces on R2 and R3 are up and configured with the correct IP addresses MD5 password configured en R2 and R3 match with no issues What is the minimum change the engineer must make to enable R2 and R3 to communicate and fix the problem?
Which command is used to enable BIDIR-PIM under global configuration mode for Cisco IOS XE Sofware?
Which difference must an engineer consider when Implementing Inter-domain and Intra-domain multicast routing on the network?
Refer to the exhibit.
An engineer has successfully fixed BGP peering issue. R1 has an established eBGP
peering with R2 and R3. Which mechanism should the engineer apply in order to steer the traffic correctly?
Refer to the exhibit. An engineering team implemented IS-IS on the network, with several different areas. Recently, router R6 in area 3 has been experiencing excessive CPU usage. To reduce the load, a network engineer implemented route summarization on R2 However. R6 is still receiving the full routes from all routers. Which action must the engineer take to resolve the excessive CPU usage?
Refer to the exhibit. Company A established BGP sessions with several ISPs. A network engineer at the company must filter out all traffic except for routes that transit AS 152. The engineer configured the filtering policy “permit _152S_(_[0.9])” on R1, but after applying the configuration, the engineer notices that other routes are still visible. Which action resolves the issue?
Refer to the exhibit. Customer A and customer B are connecting through a service provider network with these requirements
Which configuration meets the requirements?
Which output from the show isis interface command helps an engineer troubleshoot an IS-IS adjacency problem on a Cisco IOS-XR platform?
Refer to the exhibit. The service provider operations team was alerted that hub site traffic from BGP AS 65101 to AS 65201 uses a non-primary path via the R5-R6 link. IBGP peering between R1 and R2 is up. and no fiber failure has been reported on the R2-R3 link The team determined that the traffic flow between 10.10.10.1 and 192.168.30.1 is not considering the R1-R2-R3-R4 path. Which action resolves this issue?
Refer to the exhibit.
Which attribute can router 1 alter so that only other iBGP peers prefer to use 192.168.4.2
as the next hop for route 192.168.3.0/24?
Refer to the exhibit.
CE1 and CE2 cannot communicate through the service provider BGP peering is
established between PE1 and PE2. IS-IS is the only routing protocol running in the service provider core. What
step can be done to troubleshoot the issue?
Which difference must an engineer consider when choosing whether to implement OSPF or IS-IS as the routing protocol on the network?
Refer to the exhibit.
P1 and PE3 Cisco IOS XR routers are directly connected and have this configuration
applied. The BGP session is not coming up. Assume that there is no IP reachability problem and both routers
can open tcp port 179 to each other. Which two actions fix the issue? (Choose two.)
Which two conditions must be met before separate ISPs can provide interdomain multicast routing? (Choose
two.)
Refer to the exhibit.
An engineer is troubleshooting IS-IS configuration between two areas. IS-IS Area-A network 30.1.1.0/24 is leaked into IS-IS Area-В. R2 is failing to filter the route updates from network 10.1.1.0/24. Which configuration must the engineer apply to resolve the issue?
Drag and drop the characteristics from the left onto the corresponding routing protocols on the right.
Refer to me exhibit.
A network engineer sets up a multihoming eBGP topology where multiple Autonomous Systems connect to ASN 64501. The engineer wants to block all the routers coming from ASN 64502. but allow all the others. For that purpose, the following AS Pam prefix 1st s being used:
What must be fixed to achieve this result?
Which expression, when used with the as-path-set command, matches the AS path attribute of the route?
Refer to the exhibit.
Which two commands must the engineer configure for the company's PIM-PIM network to enable Auto-RP mappings to be sent over the FastEthernet0/0 interface without affecting normal operation? (Choose two)
Refer to the exhibit. The initial BGP configuration of the network is complete, and all the routers have established BGP neighborship. The engineer configured Router 2 with additional BGP paths to install and advertise more paths to Router 1 and Router 3. Which configuration must the engineer apply to Router 1 and Router 3 so that they will use and install all additional paths?
Refer to the exhibit.
All routers on this network have been configured with P1M-SM and R1 is the rendezvous point However, when asymmetric routing is implemented to modify link usage the network begins to drop certain multicast traffic Which action corrects the problem?
Refer to the exhibit.
R1 is directly connected to R2 and R3. R1 is in BGP AS 123, R2 is in BGP AS 2, and R3
is in BGP AS 3. Assume that there is no connectivity issue between R1, R2 and R1, R3. Which result between
BGP peers R1, R2 and R1, R3 is true?
Refer to the exhibit. A network engineer is investigating a report of packet drops in an application running on a server connected to PE2 The engineer determined that:
Which action resolves the issue?
An engineer warns to map a multicast IP address to a multicast MAC How many bits are used to make the conversion?
Refer to the exhibit The branch office in area 10 is connected to HQ via Frame Relay uplinks with bandwidth constraints After a recent implementation of QoS on the R2 and R3 networks the system has been logging %SYS-2-MALLOCFAIL: Memory allocation of 65536 bytes failed from 0x224E321, alignment 0 messages To reduce traffic load and memory utilization on R2 and R3 the network engineer configured R1 to announce only one user subnet per location by issuing the summary address 192.168.0.0 255.255.248.0 command en R1 However, the engineer noticed that router R2 still has two routes and a summary address from HQ and R3 also has two routes from HQ Which two actions must the engineer take on R1 to fix the issue so that only one route is announced’ (Choose two.)
Refer to the exhibit Networks 172.16.31.0/24 and 172 16 30.0/24 are advertised in area 34. and network 172.22 10.0/24 is advertised in area 0. A recent security review discovered that users connected to routers R1 and R2 have been making unauthorized access to an application running on network 172 16 31 0/24 An engineer determined that routers R1 and R2 are receiving updates for network 17 16 31 0/24 Which action resolves the issue?
Refer to the exhibit. Unified MPLS is implemented on this network to provide end-to-end services A network engineer noticed that R3 is failing to receive labels from R1 However, R2 is receiving labels from R1 R3 can ping R1 normally Which action resolves the issue?
Refer to the exhibit. Multicast traffic destined from T1 and T2 routers to RP routers works well. A network engineer observes problems with multicast traffic flows between Site-A and Site-B. Site-A users fail to receive multicast stream on Site-B via RPTY site, while Site-B users fail to receive multicast stream on Site-Avia RPTZ site. Which action must be implemented to resolve the issues?
Refer to the exhibit. A network consultant is updating the company s MPLS solution and configuring several new PE devices to enable full communication among PE devices connected to the network. The updates must ensure the redundancy and scalability of the network The egress LSR is configured with mpls Idp explicit-null While configuring the given PE router to be adjacent to the egress LSR. the consultant notices that MPLS forwarding is not working in the network Which action resolves the issue?
Refer to the exhibit.
The extension header of the IPv6 header is ignored when which value is equal to zero?
Which type of BGP attribute does a route reflector attach to routes learned from iBGP peers that allows them to be accepted by other iBGP peers, thereby eliminating the need for a full-mesh BGP topology?
Refer to the exhibit.
An engineer applied the configuration on R1 to prevent network 192.168.1.0/24 from being propagated outside of area 5. After the change, users have reported they are not able to access any of the application servers that were working before. While checking the routing table of the peer router. The engineer notices R1 stopped propagating any routes outside are 5. Which action must be taken to fix the problem?
Which two differences should be considered when deciding whether to implement to implement routing policies or route maps? (Choose two.)
Refer to the exhibit. An engineer is troubleshooting an issue with traffic steering using the color-only automated steering mechanism. BGP is failing to automatically steer traffic into an SR policy with the given color of a route, regardless of the next hop. The layer 2 configuration is correct, and the physical connection between the devices is working normally. Whch additional command sequence must the engineer add to correct the issue?
Refer to the exhibit.
Router 1 has established an SR-TE tunnel with router 2. Which statement describes this
configuration?
Refer to the exhibit.
After you applied these configurations to routers R1 and R2, the two devices could not
form a neighbor relationship. Which reason for the problem is the most likely?
You have configured MSDP peering between two autonomous systems that pass traffic between two sites, but the peering has failed to come up.
Which task do you perform to begin troubleshooting the problem?
Drag and drop the features from the left onto the corresponding routing protocols on the right
Refer to the exhibit.
A network operator must inject a Level 1 route from XR2 (10.16.16.0/24) into the ISIS
topology. Which configuration allows the injection in a way that XR3 and XR1 have a valid and working route for 10.16.16.0/24?
Refer to the exhibit.
The green policy is designed with low delay, and the pink policy is designed with low cost. What is the next hop for node A on its way to node D, with the objective of achieving a low delay?
Refer to the exhibit.
XR1 and XR2 are sending the prefix 10.11.11.0/24 to XR3. A configured policy on XR1 is
incorrectly prepending AS path 11 11 12 12 onto this prefix. A network operator wants to add a policy onto XR3 that will not allow the falsely prepending prefix from being installed. Which policy configuration applied to the XR3 neighbor configuration for XR1 can accomplish this requirement without impact to other or future
received routes?
When deploying a nationwide network of routers, what is the benefit of using BGP confederations?
Refer to the exhibit.
A network operator wants to expand the segment routing global block in upcoming
maintenance. The operator must ensure that the changes to the segment routing global block have no adverse impacts on the prefix-sid associated with the loopback0 interface used within the OSPF domain.
Which command can the operator use to enforce R2 to have a strict prefix-sid assignment to loopback0?
TESTED 17 Jun 2025
