New Cisco 642-889 Exam Questions Are Out – (Jan-2018 Dumps)

      Comments Off on New Cisco 642-889 Exam Questions Are Out – (Jan-2018 Dumps)

Cisco Certified Network Professional Service Provider 642-889 exam is a milestone in the industry to endorse your proficiency. Passing Cisco CCNP Service Provider 642-889 exam entitles you for the achievement of Cisco Certified Network Professional Service Provider certification exam. We at RealExamDumps provide you latest Cisco CCNP Service Provider 642-889 exam questions. The candidates those who endorse their proficiency by passing the Implementing Cisco Service Provider Next-Generation Edge Network Services 642-889 exam get the edge in the industry and get better employment opportunities.

♥♥ 2018 NEW RECOMMEND 642-889 Exam Questions ♥♥

642-889 exam questions, 642-889 PDF dumps; 642-889 exam dumps:: https://www.dumpsschool.com/642-889-exam-dumps.html (76 Q&A) (New Questions Are 100% Available! Also Free Practice Test Software!)

Latest and Most Accurate Cisco 642-889 Dumps Exam Questions and Answers:

Question: 21

Which option is used as a loop prevention mechanism to support MPLS VPN customers with multihomed sites?

A. BGP down bit
B. sham links
C. AS override
D. SOO extended BGP community
E. allow as-in

Answer: D

Explanation:
http://www.cisco.com/en/US/docs/ios/12_4t/12_4t11/htbgpsoo.html
Site of Origin BGP Community Attribute
The site-of-origin (SoO) extended community is a BGP extended community attribute that is used to identify routes that have originated from a site so that the readvertisement of that prefix back to the source site can be prevented. The SoO extended community uniquely identifies the site from which a router has learned a route. BGP can use the SoO value associated with a route to prevent routing loops.

Question: 22

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 10.1.1.1. 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 10.1.1.1 BGP neighbor has not been activated for IPv4 unicast routing.
D. The 10.1.1.1 BGP neighbor has not been activated for the VPNv4 address family.

Answer: A

Question: 23

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

Answer: B

Explanation:
http://www.cisco.com/en/US/prod/collateral/iosswrel/ps6537/ps6586/ps6635/ps7180/deployment_guide_c07_554713.html

Question: 24

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.

Answer: C

Explanation:
6PE is for transporting ipv6 natively and 6VPE is for ipv6 mpls vpns

Question: 25

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

Answer: B

Explanation:
NOT SURE THIS MATCHES ANSWER

Question: 26

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

Answer: B

New Updated 642-889 Exam Questions 642-889 PDF dumps 642-889 practice exam dumps: https://www.dumpsschool.com/642-889-exam-dumps.html