Quick Guide: examcollection 642-889

642-889 Guide

642-889 Exam Royal Pack (In Stock.)

  • Cisco
  • Exam Number/Code 642-889
  • Product Name SPEDGE Implementing Cisco Service Provider Next-Generation Edge Network Services (SPEDGE)
  • Questions and Answers
  • 126 Q&As
  • Last Updated
  • Jan 14,2019
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Quick Guide: examcollection 642-889

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2016 Dec cisco 642-889 spedge:

Q1. Which BGP extended community is used to control the distribution of VPN routing information and to identify routers that may receive a set of routes that carry the community?



C. opaque

D. route origin


Answer: B

Q2. In PE7, what is the pseudowire ID that connects to the neighbor?

A. 70

B. 80

C. 123

D. 0x840001

E. 0x4000080

Answer: C

Q3. What is an advantage of using the Cisco EVC infrastructure to implement carrier-class Ethernet services that are not available on non-EVC-capable platforms?

A. PW redundancy

B. interworking support

C. PW stitching support

D. flexible frame-matching support and VLAN tag manipulation

E. local cross-connect support

Answer: D

Q4. Which statement is correct regarding the pseudowire on connects PE7 to the neighbor?

A. The control word is enabled on both ends of the pseudowire

B. The MTU size is 1500 bytes on both ends of the pseudowire

C. Pseudowire backup is enabled

D. The pseudowire is in the down state

Answer: B

Q5. Refer to the exhibit.

Given the output shown, which two statements are true? (Choose two.)

A. The configured remote AS for neighbor is 1234.

B. Both prefixes that are referenced by network commands will be visible with the show bgp command from the information that is shown in the output.

C. The neighbor cannot learn any routes from this router.

D. The router cannot learn any routes for neighbor

E. Routes from the Internet VRF that are injected into BGP through redistribution will be advertised to neighbor

Answer: A,C

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Q6. When configuring VPLS on the Cisco ASR 9000, which three configurations are required under the l2vpn configuration mode? (Choose three.)

A. bridge-group

B. bridge-domain

C. xconnect

D. vfi

E. encapsulation

Answer: A,B,D

Q7. When implementing MPLS Layer 3 VPNs with customers running OSPF as the CE-PE routing protocol, which situation will require a sham link to be implemented in the MPLS backbone?

A. to connect customer sites in different OSPF areas

B. to connect customer sites in the same OSPF area

C. to prevent OSPF routing loops when a customer site has redundant CE-PE connections

D. if there is a backdoor link between the CE routers, to ensure that the backdoor link is used only to back up the primary connection through the MPLS VPN

Answer: D

Q8. In Layer 3 MPLS VPN implementations, which protocol is used to carry the VPNv4 routes from PE to PE?





Answer: C

Q9. PWS/EoMPLS offers which type of Ethernet services as defined by the MEF?

A. E-Tree


C. E-Line

D. E-Interworking

Answer: C

Q10. Refer to the partial Cisco IOS XR PE router configuration exhibit for supporting a Layer 3 MPLS VPN customer using BGP as the CE-to-PE routing protocol.

The service provider AS number is 64500, the customer AS number is 64501, and the customer CE router is What is missing in the configuration?

A. The route distinguisher has not been configured under router bgp 64500 vrf Customer_A.

B. The import and export route targets have not been configured under router bgp 64500 vrf Customer_A.

C. The BGP neighbor has not been activated for IPv4 unicast routing.

D. The BGP neighbor has not been activated for the VPNv4 address family.

Answer: A

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