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Q25. What operation is performed by a P device on the label signaled by MP-BGP when it receives a labeled packet for a VPRN service? 

A. It will label switch the packet based on this label 

B. It will decrement the TTL and label switch the packet based on this label 

C. It will SWAP the label for a new label and then label switch the packet 

D. The P router does not perform any operation on this label 

Answer: D 


Q26. Which command should be used on an Alcatel-Lucent 7750 SR acting as the PE, to view the table containing the BGP routes received from the remote sites? 

A. Show routerbgp routes 

B. Show routerbgp routes address-family vpn-ipv4 

C. Show routerbgp routes <service-id> 

D. Show router <service-id>bgp routes 

Answer: A 


Q27. Assuming that as-override has been used, which of the following statements describes the most likely location of prefix 10.1.2.0/24, based on the output from an Alcatel-Lucent 7750 SR shown below? 

B. There is a single Autonomous System between the local AS and the AS that originated the prefix 

C. There are two Autonomous Systems between the local AS and the AS that originated the prefix 

D. There may be two or more Autonomous Systems between the local AS and the AS that originated the prefix 

E. It is located in Autonomous System 65100 

Answer: B 


Q28. VPN-IPv4 addressing is made unique by defining an address structure consisting of: 

A. A 32 bit IPv4 address followed by a 64 bit Route Target 

B. A 32 bit IPv4 address followed by a 64 bit Route Distinguisher 

C. A 64 bit Route Target followed by a 32 bit IPv4 address 

D. A 64 bit Route Distinguisher followed by a 32 bit IPv4 address 

E. A 32 bit Route Distinguisher followed by a 32 bit IPv4 address FA 32 bit Route Target followed by a 32 bit IPv4 address 

Answer: D 


Q29. Complete the following statement. In a VPRN, the inner label is used to ____________________. 

A. Identify the customer network on the egress PE 

B. Establish the LSPs between PE devices 

C. Identify the egress PE in the MPLS domain 

D. Identify the customer network on the ingress PE 

Answer: A 


Q30. True or False? An advantage of using BGP as the PE-CE protocol is that route policies are no longer required to control the exchange of routes from BGP to MP-BGP. 

A. True 

B. False 

Answer: B 


Q31. Which command is used to generate the output from an Alcatel-Lucent 7750 SR shown below? 

A. Show service 3 

B. Show service id 3 

C. Show service 3baseC.show service 3 baseC.show service 3 base 

D. Show service id 3baseD.show service id 3 baseD.show service id 3 base 

E. Show service 3detailE.show service 3 detailE.show service 3 detail 

F. Show service id 3detailF.show service id 3 detailF.show service id 3 detail 

Answer: D 


Q32. When configuring a VPRN service on an Alcatel-Lucent 7750 SR, where should the following policy be applied? 

A. On the CE under the RIP context 

B. On the PE under the BGP context 

C. On the PE under the RIP context 

D. On the CE under the BGP context 

E. This policy is not required 

Answer: E