Download Cisco.CertDumps.642-889.2017-12-23.1e.126q.vcex

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Exam Implementing Cisco Service Provider Next-Generation Edge Network Services (SPEDGE)
Number 642-889
File Name Cisco.CertDumps.642-889.2017-12-23.1e.126q.vcex
Size 12.03 Mb
Posted December 23, 2017
Downloads 35

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Demo Questions

Question 1
Which type of VPN requires a full mesh of virtual circuits to provide optimal site-to-site connectivity?

  • A: MPLS Layer 3 VPNs
  • B: Layer 2 overlay VPNs
  • C: GET VPNs
  • D: peer-to-peer VPNs

Question 2
Which three Layer 3 VPN technologies are based on the overlay model? (Choose three.)

  • A: ATM virtual circuits
  • B: Frame Relay virtual circuits
  • C: GRE/IPsec
  • D: L2TPv3
  • E: MPLS Layer 3 VPNs
  • F: DMVPNs

Question 3
Which VPN technology uses the Group Domain of Interpretation as the keying protocol and IPsec for encryption that is often deployed over a private MPLS core network?

  • A: DMVPN
  • B: GET VPN
  • C: SSL VPN
  • D: L2TPv3

Question 4
What is the primary difference between 6PE and 6VPE?

  • A: 6VPE does not require an MPLS core.
  • B: 6VPE requires an IPv6-aware core.
  • C: 6VPE provides IPv6 VPN services.
  • D: 6VPE tunnels IPv6 packets inside IPv4 packets.

Question 5
Refer to the Cisco IOS XR router output exhibit, 
which method is being used to transport IPv6 traffic over the service provider network?

  • A: 6PE
  • B: 6VPE
  • C: native IPv6
  • D: native IPv4
  • E: dual stack

Question 6
Which flavor of MPLS Layer 3 VPN has MPLS enabled on PE-CE links?

  • A: basic
  • B: CSC
  • C: inter-AS
  • D: AToM
  • E: VPLS

Question 7
Which MP-BGP address family must be configured to use VPLS autodiscovery in a Cisco IOS XR router?

  • A: address-family l2vpn vpls-vpws
  • B: address-family vpnv4 unicast
  • C: address-family ipv4 mdt
  • D: address-family ipv4 tunnel
  • E: address-family vpls vfi

Question 8
In MPLS Layer 3 VPN implementations, what is used on the PE router to isolate potential overlapping routing information between different customers?

  • A: route targets
  • B: VRFs
  • C: VC IDs
  • D: pseudowire IDs
  • E: pseudowire classes

Question 9
Within the service provider IP/MPLS core network, what must be implemented to enable Layer 3 MPLS VPN services?

  • A: IS-IS or OSPF on all the PE and P routers
  • B: MP-BGP between the PE routers
  • C: RSVP on all the PE and P routers
  • D: targeted LDP between the PE routers
  • E: LDP between the CE and PE routers

Question 10
In MPLS Layer 3 VPN implementations, which mechanism is used to control which routes are imported to a VRF?

  • A: RT
  • B: RD
  • C: VC ID
  • D: PW ID
  • E: VRF ID


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