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  5. Implementing Cisco Service Provider Advanced Routing Solutions Questions and Answers

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Viewing questions 61-70 out of questions
Questions # 61:

Which difference must an engineer consider when Implementing Inter-domain and Intra-domain multicast routing on the network?

Options:
A.

Intra-domain routing allows the service provider to control incoming and outgoing multicast data streams on its network, but inter-domain routing limits the service provider’s control.

B.

Intra-domain routing uses the PIM and MBGP protocols for multicast routing, but inter-domain routing must use PIM.SSM or MSDP.

C.

Intra-domain routing is dependent on the RP router within the same SP network, but inter-domain routing reduces the dependency on the other SP network.

D.

Inter-domain routing supports policy routing to connect different multicast domains using PIM.SM, but intra-domain routing supports policy routing using PIM-SM only within a single domain.

Expert Solution
Questions # 62:

Question # 62

Refer to the exhibit. An engineer is troubleshooting a network routing issue on this IS-IS network situated at the customer's regional hub. Router 2 that runs Cisco IOS XR Software cannot see the network 10.1.1.0/24 on router 1. The Layer 2 encapsulations are correct. The ARP connectivity for the Ethernet interface that runs IS-IS is working. Which action resolves the issue?

Options:
A.

On router 1, remove the CISCOLIVE keyword after the Ip router Isis command under interface GigabitEthernet0/2.

B.

Under the router isis command on router 1. change is-type level-1 to is-type level-2

C.

On router 1. add the CISCOLIVE keyword after the Ip router isis command under interface GigabitEthernet0/3.

D.

Under the router isis command on router 2. change is-type level-1 to is-type level-2

Expert Solution
Questions # 63:

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?

Options:
A.

Implement Auto-RP on the candidate RP and the mapping agent only.

B.

Implement Static RP across all routers in the network.

C.

Implement bootstrap router in the network core.

D.

Implement Anycast-RP on edge routers only.

Expert Solution
Questions # 64:

An engineer with an employee ID: 4441 70:118 must implement PIM-SSM in the network to support a new multicast messaging service. All the routers in the network run a distance vector routing protocol. Unicast routing is established on the network and is working normally. What must the engineer enable to continue the implementation process?

Options:
A.

PIM dense mode and IGMPv2 on all interfaces that participate in multicast

B.

IGMPv3 on all interfaces that participate in multicast

C.

PIM dense mode on all devices on the network

D.

PIM RP feature on the network

Expert Solution
Questions # 65:

Refer to the exhibit.

Question # 65

R3 is:

Which command must the engineer implement to resolve the issue?

A R3# ip msdp sa-filter in 192.168.3.1

B. R3# no ip msap sa-filter in 192.168.1.1

C R3# no ip msdp peer 192.168.1.1

D. R3# ip msdp sa-filter out 192.168.1.1

Options:
A.

failing to accept multicast RP information from Domain-A

B.

advertising MSDP SA messages to R1 and R4

C.

receiving SA messages only from R4

Expert Solution
Questions # 66:

While configuring Cisco NSF awareness, a network engineer enters the bgp graceful-restart command after the BGP session is established in a router that runs IOS XE Software. Graceful restart capabilities are not exchanged. Which two actions should be taken? (Choose two.)

Options:
A.

Reload the router

B.

Verity that BGP route dampening is configured

C.

Reduce BGP convergence time

D.

Issue the clear ip bgp * command

E.

Issue the show ip bgp neighbors command.

Expert Solution
Questions # 67:

How does the SRv6 IS-IS Flexible Algorithm function on the data plane?

Options:
A.

It uses the TE metric in its path calculations to optimize the cumulative TE metric.

B.

It uses the IGP metric in its path calculations to optimize reachability.

C.

It automatically delivers traffic to the destination over an engineered path computed by the IGP.

D.

It applies path computation algorithms to learn the topology and compute a pair of disjoint LSPs.

Expert Solution
Questions # 68:

What is a feature of SRGB label values?

Options:
A.

They are used for adjacency segment identifiers.

B.

They allow IS-IS and OSPF to use overlapping ranges on a domain.

C.

They are locally significant.

D.

They are assigned to segment routing nodes and have global significance throughout the domain.

Expert Solution
Questions # 69:

Refer to the exhibit.

Question # 69

An administrator is troubleshooting network issues on a customer’s network PE1 cannot form an LDP relationship with PE2 using LDP ID 192 168.1.1. Due to this connectivity issue, the customer’s routes behind both PE routers cannot be exchanged. Which action must the administrator take to correct the problem?

Options:
A.

Configure PE2 to automatically select its own LDP router ID with 192.168.1.1.

B.

Create a targeted LDP session on PE2 to override the missing routing table entry on PEL

C.

Configure PE1 with a static route to 192 168.1.1.

D.

Enable LDP session protection on the link that P1 uses as the next hop to PE2.

Expert Solution
Questions # 70:

Refer to the exhibit.

Question # 70

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
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Viewing questions 61-70 out of questions