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

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Viewing page 7 out of 8 pages
Viewing questions 61-70 out of questions
Questions # 61:

Refer to the exhibit Dedicated MPLS Layer 3 services for VRF customer A are configured on the MPLS network for FTP access OSPF with area 0 configuration is used as the interior routing protocol between the routers, and LDP is up and running on the MPLS network. After recent maintenance work on the MPLS network. IP address 172.16 100 1 cannot access the FTP server with IP address 172.16 192.21 All loopbacks are reachable on the network Which configuration must the engineer apply to correct the problem?

Options:

A.

Configure passive-interface under the Gi0/2 interface on R22

B.

Configure ip ospf network point-to-point under the Lo0 interface on R33

C.

Configure network 33.33.10.1 0.0.0.255 area 0 under the OSPF configuration on R33

D.

Configure ip cef under the global configuration on R22

Expert Solution
Questions # 62:

A network consultant is troubleshooting IS-IS instances to identify why a routing domains is having communication problems between the two instances. Which description of the possible cause of issues in the routing domain is true?

Options:

A.

The same interface cannot be advertised in two different IS-IS instances

B.

The IS-IS “ISP” and “ISP2” instances are unrelated and unable to intercommunicate

C.

The configured IS-IS NSEL value is not allowing the routing systems to establish a neighborship

D.

The interface mode ip router is-is command was not included in the script

Expert Solution
Questions # 63:

Question # 63

Refer to the exhibit. A service provider has LDP and segment routing running in the network. Mobility traffic is carried through LDP and enterprise traffic is carried through segment routing. Which configuration must be implemented to connect the bank branch with the HUB site on routers?

Options:

A.

Configure segment-routing Sr-prefer prefix-list on AG1 and AG2 router for 10.10.10.10/24.

B.

Enable segment-routing Mpls Sr-prefer on CR1 and CR2 routers for 10.0.0.0/8.

C.

Enable segment-routing Mpls Sr-prefer on AG1 and AG2 routers for 10.0.0.0/8.

D.

Configure segment-routing sr-prefer prefix-list on CR1 and CR2 routers for 10.20.20.10/24.

Expert Solution
Questions # 64:

Question # 64

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?

Question # 64

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Expert Solution
Questions # 65:

ION NO: 91

What are two major differences between OSPF and IS-IS routing protocols? (Choose two.)

Options:

A.

OSPF uses IP protocol 89 foe encapsulation and IS-IS uses an IEEE 802 3 standard-based protocol foe encapsulation

B.

The OSPF default administrative distance is 115 and the default administrative distance for IS-IS is 110

C.

The OSPF DR role can be pre-empted only when the active DR goes down, but the IS-IS DR role can be taken by a router with higher priority at any time

D.

OSPF partially refreshes the LSA database every 30 minutes, and IS-IS refreshes the complete database table every 60 minutes

E.

An OSPF-enabled router is part of only one area but an IS-IS-enabled router is part of multiple areas

Expert Solution
Questions # 66:

Question # 66

Refer to the exhibit. Routers CE1 and CE2 are in AS 65530. which is multihomed for Internet access. An engineer expects inbound traffic to AS 65530 to arrive from PE1. but it is coming from PE2 instead PE1 and PE2 routers are connected with CE routers through the same bandwidth Which action must be taken to correct the problem?

Options:

A.

On router CE2, configure inbound routes from PE2 to CE2 with a local-preference value of 50 or greater.

B.

Configure router CEI to prepend the AS path to routes it receives from PE 1.

C.

Set the local-preference value on router CEI to 100 or greater

D.

On router PEI , change the origin for routes that are redistributed from CEI to CE2.

Expert Solution
Questions # 67:

Refer to the exhibit.

Question # 67

While configuring router 2 with all the default values, a network engineer cannot see any route received in router 1. How should the engineer solve the issue?

Options:

A.

Set up a priority different than 0 in the interface.

B.

Modify the router ID to be the interface IP on the serial.

C.

Modify the IP address or mask of the interface to a valid one.

D.

Set the network type in S1/0 to point-to-point.

Expert Solution
Questions # 68:

Which BGP well-known attributes are preserved between peers with a BGP confederation?

Options:

A.

origin and MED

B.

originator and origin

C.

next-hop and local-preference

D.

next-hop and weight

Expert Solution
Questions # 69:

For which reason can two BGP peers fail to establish a neighbor relationship?

Options:

A.

Their BGP send-community strings are misconfigured

B.

Their BGP timers are mismatched

C.

Their remote-as numbers are misconfigured

D.

They are both activated under an IPv4 address family

Expert Solution
Questions # 70:

Question # 70

Refer to the exhibit. Customer A and customer B are connecting through a service provider network with these requirements

    R1 acts as the mapping server to connect 10 0 0.0/30 and 172.16.0.0/30 networks

    R1 and R2 are using nondefault SRG8 range to allocate SID.

    R2 ads as the mapping client for transient traffic originating from customer A

Which configuration meets the requirements?

Options:

A.

Remove allocation of prefix SlDs for 10.0.0.0/30 and 172.16.0.0/30 on R1.

B.

Configure segment-routing prefix-sid-map advertise-local on R1

C.

Allocate prefix SIDs for 10.0.0.0-30 and 172.16 0.0/30 subnets on R2

D.

Configure segment-routing prefix-sid-map advertise-local on R2.

Expert Solution
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Viewing questions 61-70 out of questions