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Implementing Cisco Service Provider Advanced Routing Solutions

Last Update 17 hours ago Total Questions : 269

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Question # 61

Refer to the exhibit. An engineer is troubleshooting an issue with this network and notices that prefixes from R3 are missing on the R1 routing table Due to repeated ASN when the 10 0 0 0 ' 8 prefix from R3 arrives at R1, BGP automatically rejects it There is no prefix-list on R1 which blocks the traffic from R3 What should the engineer do to fix the problem so that BGP allows that prefix on R1?

A.

Configure R2 as a route reflector client of R1.

B.

Configure the allowas-in command on R1.

C.

Configure the next-hop-self command on R2.

D.

Configure identical confederation ASNs on R1 and R2.

Question # 62

When deploying a nationwide network of routers, what is the benefit of using BGP confederations?

A.

availability

B.

scalability

C.

security

D.

automatability

Question # 63

In a PIM-SM environment, which mechanism determines the traffic that a receiver receives?

A.

The receiver explicitly requests its desired traffic from the RP on the shared tree.

B.

The receiver explicitly requests traffic from a single source, which responds by forwarding all traffic.

C.

The RP on the shared tree floods traffic out of all PIM configured interfaces.

D.

The receiver explicitly requests traffic from each desired source, which responds by sending all traffic.

Question # 64

After an engineer configures BGP in R1, it starts receiving this message

*Jun 29 13:30:50.122: %BGP-5-ADJCHANGE: neighbor 192.168.10.1 Down User reset

Jun 29 13:30:52.341: %BGP-3-NOTIFICATION: sent to neighbor 192.168.10.1 2/6 (unacceptable hold time) 0 bytes

Which action makes the peering come back up again?

A.

Make a soft reset to the peer.

B.

Set up a minimum hold-down timer higher.

C.

Set up a hello timer higher.

D.

Set up a hold-down timer higher.

Question # 65

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?

A.

MED

B.

local preference

C.

origin

D.

weight

Question # 66

Refer to the exhibit.

Which task must you perform on interface g1/0/0 to complete the SSM implementation?

A.

configure OSPFv3

B.

enable CDP

C.

disable IGMP

D.

configure IGMPv3

Question # 67

The engineering team at ISP_1 must improve network stability time and minimize the impact of routing instabilities from other domains to unicast transit services in the backbone R1 is part of an OSPF- enabled network, and acts as an ASBR connected via interface GiO/1 to the external domain The OSPF exponential backoff algorithm RFC 3623 with helper mode is already implemented on R1 Which additional configuration must the ISP_1 team apply to suppress routing instability for 3 minutes ' ?

A.

Configure ip ospf resync-timtout 180 under the Gi0 ' 1 interface configuration

B.

Configure ip ospf timer nsf interval 3 under the global Gi0 ' 1 interface configuration

C.

Configure nsf ittf restart-inttrval 180 under the global OSPF configuration

D.

Configure nsf ospf wait 3 under the global OSPF configuration

Question # 68

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?

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Question # 69

NO: 93

Which fact must a network architect consider when implementing IGMP in a multicast routing environment?

A.

If SSM is in use IGMPv3 must be enabled

B.

If BISS support is required IGMPv2 must be enabled

C.

If leave latency is critical IGMPv3 must be enabled

D.

If PIM-DM is required, IGMPv2 must be enabled

Question # 70

Refer to the exhibit.

A network engineer at a large ISP with an employee ID 4876 94 052 started to configure OSPF on two routers The engineer notices that router 1 learned about network 20 20 20 0/24 from router 2, but router 2 did not learn about 10.10 10.0/24 from router 1 Layer 2 and Layer 3 connectivity are working between the two routers and the physical connection between the devices is functioning. Which action must the engineer take to resolve the issue?

A.

Replace the router 1 OSPF network configuration with network 10.10.10.0 0.0.0.255 area 0.

B.

On router 1 configure a route map with a distribution list for the 10 10.10 0/24 network.

C.

Replace the router 2 OSPF network configuration with network 10.10.10.0 0.0.0.255 area

D.

On router 2 configure a route map with a distribution list for the 101010 0/24 network

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