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Latest and Most Accurate Cisco 642-889 Dumps Exam Questions and Answers:
Which three possible misconfigurations can occur on the backbone IGP section of an MPLS Layer 3 VPN setup? (Choose three.)
A. configuring the LDP router ID with an incorrect loopback interface
B. configuring the wrong AS number on a client eBGP peering
C. configuring the wrong area number on a PE-CE OSPF link
D. decreasing the MPLS MTU
E. disabling MPLS on a core link
F. disabling MPLS LDP sync in the IGP routing process
Answer: A, D, E
A customer has two sites over an MPLS cloud with Ethernet connections and requires one STP domain to be transparent over the MPLS provider. Which label-switching technology can the provider use without getting involved in learning the customer MAC addresses?
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?
B. GET VPN
C. SSL VPN
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.
6PE is for transporting ipv6 natively and 6VPE is for ipv6 mpls vpns
Refer to the Cisco IOS XR router output exhibit,
which method is being used to transport IPv6 traffic over the service provider network?
C. native IPv6
D. native IPv4
E. dual stack
NOT SURE THIS MATCHES ANSWER
Which flavor of MPLS Layer 3 VPN has MPLS enabled on PE-CE links?
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