Cisco 642-889 Actual Free Exam Questions & Community Discussion

  • Exam Code/Number: 642-889
  • Exam Name/Title: Implementing Cisco Service Provider Next-Generation Edge Network Services
  • Certification Provider: Cisco
  • Corresponding Certification: CCNP Service Provider
  • Exam Questions: 186
  • Updated On: Jun 01, 2026
Refer to the exhibit.

XR2 must be configured with a static route for 2.2.2.0/24 subnet toward CE2 into the VRF ABC table. Which configuration achieves this goal?
Correct Answer: B Vote an answer
Within the service provider IP/MPLS core network, what must be implemented to enable Layer 3 MPLS VPN services?
Correct Answer: C Vote an answer
Which benefit is an advantage to configuring IPv6 over a circuit transport over MPLS for a client?
Correct Answer: B Vote an answer
How does VPLS prevent looping of broadcast, unknown unicast, and multicast traffic in the provider core?
Correct Answer: A Vote an answer
When implementing VPLS on Cisco IOS XR routers, the VPLS PW neighbors can be statically defined under which configuration mode?
Correct Answer: C Vote an answer
Explanation: Only visible for EduDump members. You can sign-up / login (it's free).
Instructions




On PE7, how many multiprotocol IBGP routes are learned from PE8 and what is the next-hop IP address? (Choose two.)
Correct Answer: A,D Vote an answer
Explanation: Only visible for EduDump members. You can sign-up / login (it's free).
Which statement describes the peer-to-peer VPN model?
Correct Answer: A Vote an answer
What is the primary difference between 6PE and 6VPE?
Correct Answer: C Vote an answer
Explanation: Only visible for EduDump members. You can sign-up / login (it's free).
Which protocol is used to hide customer VLANs inside the provider backbone network?
Correct Answer: C Vote an answer
In Layer 3 MPLS VPN implementations, if some of the VPNv4 routes on one PE router do not appear on another PE router, what could be the problem?
Correct Answer: D Vote an answer
Explanation: Only visible for EduDump members. You can sign-up / login (it's free).
Which type of VPN requires a full mesh of virtual circuits to provide optimal site-to-site connectivity?
Correct Answer: B Vote an answer
Explanation: Only visible for EduDump members. You can sign-up / login (it's free).
Refer to the exhibit.

PE1 and PE2 are advertising the same subnet 10.10.10.0/24 and export route-target to PE3. Which PE advertised subnet is installed at the PE3 BGP table?
Correct Answer: A Vote an answer
When you are using OSPF as the CE-to-PE routing protocol in MPLS VPN implementations, an OSPF route from customerA site 1 in Area 0 will appear as which kind of OSPF route in customerA site 2, also in Area 0?
Correct Answer: A Vote an answer
Which MP-BGP address family must be configured to use VPLS autodiscovery in a Cisco IOS XR router?
Correct Answer: D Vote an answer
Explanation: Only visible for EduDump members. You can sign-up / login (it's free).
0
0
0
10