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Free 300-510 Exam Braindumps (page: 7)

Page 6 of 61
PDF with 240 Questions

Which output from the show isis interface command helps an engineer troubleshoot an IS-IS adjacency problem on a Cisco IOS-XR platform?

  1. metric
  2. priority
  3. circuit type
  4. hello interval

Answer(s): D



A network engineer is troubleshooting OSPF multiarea. Which Cisco IOS XR feature should theengineer use in order to streamline OSPF issue?

  1. hierarchical CLI
  2. DR support for topology management
  3. routing process enabled by default on all interfaces
  4. show ipospf topology command

Answer(s): A

Explanation:

OSPF Hierarchical CLI and CLI Inheritance
Hierarchical CLI is the grouping of related network component information at defined hierarchical levels such as at the router, area, and interface levels. Hierarchical CLI allows for easier configuration, maintenance, and troubleshooting of OSPF configurations. When configuration commands are displayed together in their hierarchical context, visual inspections are simplified. Hierarchical CLI is intrinsic for CLI inheritance to be supported.

With CLI inheritance support, you need not explicitly configure a parameter for an area or interface. In the software, the parameters of interfaces in the same area can be exclusively configured with a single command, or parameter values can be inherited from a higher hierarchical level—such as from the area configuration level or the router ospf configuration levels.


Reference:

https://www.cisco.com/c/en/us/td/docs/routers/xr12000/software/xr12k_r4-0/routing/configuration/guide/rc40xr12k_chapter4.html#con_1059437
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5500/routing/71x/b-routing- cg- ncs5500-71x/b-routing-cg-ncs5500-71x_chapter_011.html#con_1059437



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

  1. Their BGP send-community strings are misconfigured
  2. Their BGP timers are mismatched
  3. Their remote-as numbers are misconfigured
  4. They are both activated under an IPv4 address family

Answer(s): C



Which statement about BFD on Cisco IOS XR Software is true?

  1. Cisco IOS XR router must use LDP to route back to the Cisco IOS router to establish the peer relationship.
  2. Cisco IOS XR Software does not support BFD multihop for IPv4.
  3. Cisco IOS XR router must use dynamic routing or a static route back to the Cisco IOS router to establish the peer relationship.
  4. BFD is not compatible between Cisco IOS XR and Cisco IOS Software.

Answer(s): C

Explanation:

A router running BFD in Cisco IOS software can designate a router running BFD in Cisco IOS XR software as its peer using the bfd neighbor command; the Cisco IOS XR router must use dynamic routing or a static route back to the Cisco IOS router to establish the peer relationship. https://www.cisco.com/c/en/us/td/docs/routers/crs/software/crs_r6- 1/routing/configuration/guide/b-routing-cg-crs-61x/b-routing-cg-crs-61x_chapter_0100.html


Reference:

https://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/asr9k-r6-3/routing/configuration/guide/b-routing-cg-asr9000-63x/b-routing-cg-asr9000-63x_chapter_0100.html






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