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300-510
Implementing Cisco Service Provider Advanced Routing Solutions Questions and Answers

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Viewing page 8 out of 8 pages

Viewing questions 71-80 out of questions

Questions # 71:

Refer to the exhibit.

Question # 71

A service provider is running IS-IS in the core, and all routers use the default IS-IS configuration and reside in the same area. All routers maintain a different 6 bytes for the system ID. but the attached bits in the NET are the same. After an engineer added router R6 to the network. R3 and R5 began to experience CPU processing issues. Which action must the engineer take to resolve the issue?

Options:

Configure all routers lo operate as IS-IS Level 1 routers by altering the attached bit to ensure that a default route is Injected Into the routing tables.

Configure R6 to operate as a Level 1 router only so that it maintains the Level 1 database for all routers.

Configure routers R5 and R3 to operate as Level 1 routers only so that they inject a default routing into the routing tables of the other routers

Configure all routers to operate as IS-IS Level 2 routers so that only a Level 2 database is maintained.

Answer

Questions # 72:

Refer to the exhibit.

Question # 72

A company has been running OSPF and EIGRP on two separate portions of the network To allow communication flow between these previously isolated parts of the business the networking team just configured R2 to mutually redistribute routes between EIGRP and OSPF R3 has the OSPF routes in its routing table but R1 is failing to receive EIGRP routes for the link between R2 and R3 Which action must the team take to resolve the issue?

Options:

Configure EIGRP on R1

Configure the redistribution statement with the subnets keyword under the R2 OSPF configuration

Configure a virtual link between R1 and R2 to handle traffic without an assigned area

Configure R1 with a static route with the next hop set to R3 with the vrf keyword to avo»d the global routing table

Answer

Questions # 73:

Which statement about enabling segment routing for IGPs is true?

Options:

Segment routing must first be enabled under then routing process and then globally

Segment routing must first be enabled globally and then under the routing process

Segment routing can be enabled only under the routing process

Segment routing can be enabled only globally

Answer

Explanation

[Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/seg_routing/configuration/xe-16-6/segrt-xe-16-6-, book/sr-ospfv2-node-sid.html]

Questions # 74:

What is the characteristic of enabling segment routing for IGPs?

Options:

Segment routing must first be enabled under the routing process and then globally.

Segment routing must first be enabled globally and then under the routing process.

Segment routing must be enabled only globally.

Segment routing must be enabled only under the routing process.

Answer

Questions # 75:

Question # 75

Refer to the exhibit. Which duplicate configuration causes this message during setup of an MPLS BGP network?

Options:

ASNs

originator ID

router ID

cluster ID

Answer

Questions # 76:

Refer to the exhibit.

Question # 76

The service provider deployed segment routing in its core P2 is connected to P3 and P4 via a point-to-multipoint link as shown The service provider provides connectivity for a large enterprise with three main offices in different geographic regions Each office is connected via one of the three PEs The enterprise wants to implement multicast traffic across the service provider to stream mission-critical applications between sites The applications will be sourced from a server connected to the network through PE2 Which action must the network-engineering team take so that multicast traffic will flow between the enterprise sites over the point-to-multipoint link?

Options:

Implement RSVP to reserve bandwidth on the link between PE2 and P2

Implement PIM-DM to flood multicast traffic from the enterprise into the service provider core

Implement MLDP to allow multicast traffic to flow within the single AS

Implement SR Tree-SID to build a multicast replication tree over the point-to-multipoint link

Answer

Questions # 77:

Refer to the exhibit.

Question # 77

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?

Question # 77

Options:

Option A

Option B

Option C

Option D

Answer

Explanation

L1 route injected by XR2 won't be advertised to XR1, since L2 routes are NOT leaked to L1 by default. An [L2-L1] route leak policy should be configured on L1/L2 router (XR3).

Questions # 78:

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

Options:

Their BGP send-community strings are misconfigured

Their BGP timers are mismatched

Their remote-as numbers are misconfigured

They are both activated under an IPv4 address family

Answer

Questions # 79:

Refer to the exhibit.

Question # 79

An engineer is troubleshooting an OSPF issue. Router 1 has a neighbor relationship with

router 2. Only router 1 classful EIGRP routes can be seen on router 2. In order for all EIGRP routes to be redistributed correctly, which action should be taken?

Options:

Router 1 must have the keyword subnets included in the redistribution command for all EIGRP routes to be redistributed.

Router 1 must remove the AS number 1 from the redistribution command for all EIGRP routes to be redistributed.

Router 1 must have the keyword ospf-metric included in the redistribution command for all EIGRP routes to be redistributed.

Router 1 must have the keyword metric-type 1 included in the redistribution command for all EIGRP routes to be redistributed.

Answer

Questions # 80:

Refer to the exhibit.

Question # 80

An MPLS core network has connectivity issues R4 has failed. It impacts traffic loss between R1 and R8. Customers report no access to their file servers, which delays their transformation work. Which quick action resolves the issue until R4 recovers?