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Pass the Cisco CCNP Service Provider 300-510 Questions and answers with CertsForce

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Viewing questions 21-30 out of questions
Questions # 21:

Refer to the exhibit.

Question # 21

What is the relationship between Router 1 and Router 2?

Options:

A.

Router 1 centrally learns the topology of the network to aid in SR-TE path selection, and Router 2 is a node that feeds Router 1 topology information.


B.

Router 1 and Router 2 are participating in SR-TE tunnels and are both head-end routers.


C.

Router 1 and Router 2 centrally learn the topology of the network to aid in SR-TE path selection for peers.


D.

Router 2 is the head-end router in an SR-TE tunnel, and it is learning topology of the network from the PCE enabled on Router 1.


Expert Solution
Questions # 22:

Refer to the exhibit.

Question # 22

All backbone interfaces on the network are in VRF_MPLS and ip rsvp signalling hello is preconfigured on all MPLS routers in the network. After router R2 is upgraded and its configuration restored from backup. LSP signaled via RSVP that the tunnel from R1 had been tom down The network engineer confirmed IP reachability line the backbone network Which action must the engineer take to fix the issue?

Options:

A.

Configure ip rsvp udp neighbor 172.16.10.1 vrf VRFMPLS under the global configuration on R2.


B.

Configure ip rsvp listener outbound reply 172.16.10.1 vrf VRF_MPLS under the global configuration on R2.


C.

Configure ip rsvp signalling hello refresh interval 20 under the interface GiO/0 configuration on R1.


D.

Configure ip rsvp udp-multicasts 172.16.10.2 vrf VRFMPLS under the interface GiO/0 configuration on R1


Expert Solution
Questions # 23:

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?

Options:

A.

well-known mandatory


B.

optional transitive


C.

well-known discretionary


D.

optional non transitive


Expert Solution
Questions # 24:

Refer to the exhibit.

Question # 24

Early in the growth cycle of a small enterprise the network-engineering team implemented segment routing to support automation of the IPv4 network As the network grew organically more devices were added and the company migrated to SRv6 The company is now planning to significantly expand the number of hosts connected to R2 and R6 which will require further path manipulation Which action must the team take to customize the route that traffic takes between endpoints in the network?

Options:

A.

Implement the flexible algorithm to customize the shortest path through the network


B.

Implement MLAG to reduce traffic load on heavily congested links


C.

Implement spanning-tree protocol to avoid loops between excess devices in the network


D.

Implement priority queuing to drop non-mission-critical traffic.


Expert Solution
Questions # 25:

Refer to the exhibit.

Question # 25

Which effect of this configuration is true?

Options:

A.

It sets the keepalive timer to 30 seconds and the hold timer to 240 seconds.


B.

It sets the keepalive timer to 30 milliseconds and the hold timer to 240 milliseconds


C.

It sets the hold timer to 30 milliseconds and the keepalive timer to 240 milliseconds


D.

It sets the hold timer to 30 seconds and the keepalive timer to 240 seconds


Expert Solution
Questions # 26:

Refer to the exhibit.

Question # 26

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?

Options:

A.

Configure an additional filter-list on R1 for inbound traffic to allow external router into area 5.


B.

Reconfigure the filter-list statement to apply in the inbound direction


C.

Change the prefix-list action to permit and add an explicit deny statement for network 192.168.1.0/24


D.

Add a permit statement for 0.0.0.0/0 le 32 to the end of the prefix-list 10 override the implicit deny.


Expert Solution
Questions # 27:

Refer to the exhibit. A network engineer must correct the security policy on the EDGE_R router, which is connected to two Tier 1 ISPs. After another engineer added ip as-path access-list 11 permit 11 to EDGE_R, some routes from AS 11 and AS 4832 started to appear in the routing information base (RIB). Traffic control via Community options is disabled on both ISPs. How should the network engineer update the router configuration on EDGE_R so that only routes for AS 11 are permitted?

Options:

A.

Configure ip as-path prefix-list 11 permit _11$.


B.

Configure ip as-path access-list 11 permit _11_.


C.

Configure ip as-path distribution-list 11 deny A[0-9]+S.


D.

Configure ip as-path access-list 11 deny 4832$.


Expert Solution
Questions # 28:

What is the purpose of a BGP confederation?

Options:

A.

It limits the number of routes a device receives from its peers, which reduces CPU load.


B.

It improves service by increasing the number of simultaneous iBGP peering sessions.


C.

It redirects traffic away from route reflectors, which reduces their operating load.


D.

It reduces the number of iBGP peers and increases stability.


Expert Solution
Questions # 29:

Refer to the exhibit.

Question # 29

Router 1. Router 2. and Router 3 are co-located in an onsite data center of an office, but Router 4. Router 5. and Router 6 are installed in another data center 'eral miles away. A network engineer is troubleshooting an RSVP-TE issue on the network. On most of the devices, the engineer can move all LSPs away from a selected dace and take it down for maintenance without interrupting traffic. However, when an interface on Router 3 is taken down, traffic on the network is disrupted. What must the engineer enable to resolve the issue on Router 3?

Options:

A.

FRR


B.

NSR


C.

soft-preemption feature


D.

Soft-disperse


Expert Solution
Questions # 30:

After you change the IP address on an IOS XR router, you cannot ping the new address.

Which step did you forget to complete?

Options:

A.

commit the configuration


B.

roll back the configuration


C.

merge the configuration


D.

save the running configuration


Expert Solution
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Viewing questions 21-30 out of questions