Cisco 642-889 Certification Exam Sample Questions and Answers

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Cisco 642-889 (SPEDGE) Sample Questions:

01. What are the advantages of VPNs?
(Choose three)
a) Cost savings
b) Scalability
c) Improved security
d) Complexity
02. Which protocol would a PE router use to support an existing Internet routing scheme?
a) IS-IS
c) BGP IPv4
d) BGP VPNv4
03. Peer-to-Peer VPN technology is?
c) IPsec
d) L2TPv3
04. Which protocol is used to transport customer routes directly between PE routers?
a) RIP
b) VPN
c) BGP
05. In which two ways do MPLS VPNs support overlapping customer address spaces?
(Choose two)
a) By implementing unique RDs for each customer
b) By implementing unique RTs for each customer
c) By implementing different LSPs for each customer
d) By implementing virtual routing spaces for each customer
06. Why do MPLS VPNs implement route targets?
a) To identify different customer VPNs
b) To allow a site to participate on more than one VPN
c) To convert a customer address to an MP-BGP address
d) To convert a nonunique IP address into a unique VPNv4 address
07. Layer 2 overlay VPN technologies are?
(Choose two)
a) Frame relay
b) GRE
d) ATM
08. What is the effect of an MPLS VPN on CE routers?
a) The CE routers must support BGP.
b) The CE routers must run a link-state protocol.
c) The CE routers can run any standard IP routing protocol.
d) The IGP of the CE routers must be upgraded to a VPN-aware IGP.
09. How can P routers forward VPN packets if they do not have VPN routes?
a) They forward based upon the LSP label.
b) They forward based upon the VPN label.
c) They forward based upon the MP-BGP next hop.
d) They forward based upon a routing table lookup of the IP address.
10. Layer 3 overlay VPN technologies are?
(Choose two)
a) Frame relay
c) IPsec
d) ATM


Question: 01

Answer: a, b, c

Question: 02

Answer: c

Question: 03

Answer: b

Question: 04

Answer: c

Question: 05

Answer: a, d

Question: 06

Answer: b

Question: 07

Answer: a, d

Question: 08

Answer: c

Question: 09

Answer: a

Question: 10

Answer: b, c

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