Exams > Cisco > 350-501: Implementing and Operating Cisco Service Provider Network Core Technologies (SPCOR)
350-501: Implementing and Operating Cisco Service Provider Network Core Technologies (SPCOR)
Page 2 out of 34 pages Questions 11-20 out of 332 questions
Question#11

A network engineer must enable the helper router to terminate the OSPF graceful restart process if it detects any changes in the LSA.
Which command enables this feature?

  • A. nsf ietf helper disable
  • B. nsf cisco helper disable
  • C. nsf ietf helper strict-lsa-checking
  • D. nsf cisco enforce global
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C

Question#12


Refer to the exhibit. A network engineer is implementing an OSPF configuration. Based on the output, which statement is true?

  • A. OSPFv3 does not run for IPv4 on FastEthernet0/0 until IPv6 routing is enabled on the router and IPv6 is enabled on interface FastEthernet0/0.
  • B. In the ospfv3 1 area 1 ipv4 command, area 0 must be configured instead of area 1.
  • C. OSPFv3 cannot be configured for IPv4; OSPFv3 works only for IPv6.
  • D. ג€IPv6 routing not enabledג€ is just an informational message and OSPFv3 runs for IPv4 on interface FastEthernet0/0 anyway.
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A

Question#13


Refer to the exhibit. A network engineer is implementing a BGP protocol. Which effect of the local-as keyword in this configuration is true?

  • A. It enables peer 192.168.1.2 to establish a BGP relationship with R1 using AS 65012 without additional configuration.
  • B. It enables peer 192.168.1.2 to establish a BGP relationship with R1 using AS 65112 and the VPNv4 address family.
  • C. It enables peer 192.168.1.2 to establish a BGP relationship with R1 using AS 65012 and the VPNv4 address family.
  • D. It enables peer 192.168.1.2 to establish a BGP relationship with R1 using AS 65112 without additional configuration.
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D

Question#14


Refer to the exhibit. Based on the show command output, which result is true after BGP session is established?

  • A. The IOS XR router advertises and accepts all routes to and from eBGP neighbor 192.168.2.2.
  • B. The IOS XR router advertises all routes to the neighbor 192.168.2.2, but it does not accept any routes from 192.168.2.2.
  • C. No routes are accepted from the neighbor 192.168.2.2, nor are any routes advertised to it.
  • D. The IOS XR router does not advertises any routes to the neighbor 192.168.2.2, but it accepts any routes from 192.168.2.2.
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C

Question#15


Refer to the exhibit Which effect of this configuration is true?

  • A. The two routers fail to form a neighbor relationship because they have different IS-IS area types.
  • B. The two routers successfully form a neighbor relationship.
  • C. The two routers fail to form a neighbor relationship because the authentication configuration is missing.
  • D. The two routers fail to form a neighbor relationship because their system IDs are different.
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A

Question#16


Refer to the exhibit. In which way does router R1 operate differently than router R2?

  • A. R1 sends LSA types 5 and 7, while R2 sends type 1, 2, and 7 LSAs.
  • B. R1 sends LSA type 2 only, while R2 sends type 1 and type 7 LSAs.
  • C. R1 sends LSA type 2 only and R2 sends LSA type 1 only.
  • D. R1 sends LSA types 1 and 2, while R2 sends type 1,2, and 7 LSAs.
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D

Question#17


Refer to the exhibit. Which purpose of implementing NSF with this configuration is true?

  • A. The router uses NSF to handle RP switchover while allowing neighbor relationships to remain up.
  • B. The router uses NSF to reduce neighbor-relationship downtime during RP switchover.
  • C. The router uses NSF to load balance traffic on a routed EtherChannel.
  • D. The router uses NSF to load balance traffic between two links, with the primary link alternating every 90 seconds.
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A

Question#18

Which task must be performed first to implement BFD in an IS-IS environment?

  • A. Configure BFD in an interface configuration mode.
  • B. Disable Cisco Express Forwarding on all interfaces running routing protocols other than IS-IS.
  • C. Configure all IS-IS routers as Level 2 devices.
  • D. Configure BFD under the IS-IS process.
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D
Reference:
https://www.cisco.com/c/en/us/td/docs/ios/12_0s/feature/guide/fs_bfd.html#wp1131797

Question#19

Which two IS-IS parameters must match before two Level 2 peers can form an adjacency? (Choose two.)

  • A. hello timer setting
  • B. authentication settings
  • C. area ID
  • D. system ID
  • E. MTU
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BE
Reference:
https://www.cisco.com/c/en/us/support/docs/ip/integrated-intermediate-system-to-intermediate-system-is-is/200293-IS-IS-Adjacency-and-Area-
Types.html

Question#20


Refer to the exhibit. If RC is a stub router, which entry must be injected so that it will send traffic outside the OSPF domain?

  • A. more specific route
  • B. virtual link between RB and RC
  • C. sham link
  • D. default route
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D

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