Cisco 642-889 - Implementing Cisco Service Provider Next-Generation Egde Network Services Exam

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Total 126 questions

When implementing EoMPLS PWs, which configuration is optional?

  • A. matching PW ID on both ends
  • B. Xconnect
  • C. Cisco Express Forwarding
  • D. control word


Answer : D





On PE7, how many multiprotocol IBGP routes are learned from PE8 and what is the next- hop IP address? (Choose two.)

  • A. 1
  • B. 2
  • C. 3
  • D. 10.8.1.1
  • E. 172.16.8.1
  • F. 192.168.108.81


Answer : B,E

Explanation:
Show ip bgp vpnv4 all --- i tag field is the answer

Which method is used to provide inter-AS AToM services?

  • A. back-to-back VRF
  • B. targeted LDP
  • C. pseudowire stitching
  • D. AToM interworking
  • E. Cisco MPLS TE tunnels
  • F. autodiscovery


Answer : C

Explanation:
http://www.cisco.com/en/US/docs/optical/cpt/r9_3/configuration/guide/cpt93_configuration_ chapter_0111.html



When using H-VPLS, the PE router may use an IRB interface. How many VLAN tags can be processed by an IRB?

  • A. 0
  • B. 1
  • C. 2
  • D. 3


Answer : A

A service provider wants to scale MAC address advertisements in its next generation E-
LAN and E-TREE designs. Which technology can be used in the service provider cloud to reach this goal?

  • A. PBB EVPN
  • B. VPLS
  • C. 802.1Q
  • D. 802.3ad


Answer : A

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Total 126 questions