Nokia Nokia Certifications 4A0-C01 Questions & Answers

• Question 71:

  Which of the following about route distinguishes on the Alcatel-Lucent 7750 SR is TRUE?

  A. Route distinguishes are used to ensure that VPRN IP prefixes are globally unique.

  B. Route distinguishes are appended to IPv4 prefixes to form IPv6 prefixes.

  C. Route distinguishes are used to determine which routes a VPRN should import.

  D. CE routes use a route distinguisher to indicate which VPRN they are associated to.

  Correct Answer: A

• Question 72:

  An E-pipe is configured with a service MTU of 5000. What MTU value should be set on the access port for a Q-in-Q encapsulated SAP?

  A. 5000

  B. 5004

  C. 5008

  D. 5018

  Correct Answer: C

• Question 73:

  The SAP 1/1/1:2.3 receives an untagged Ethernet frame. Which of the following is TRUE?

  A. The frame is dropped.

  B. VLAN tags 2 and 3 are added to the frame.

  C. Only outer VLAN tag 2 is added.

  D. Only inner VLAN tag 3 is added.

  Correct Answer: A

• Question 74:

  Click the exhibit.

  

  The output is from PE router R4 about VPRN service 100. How many prefixes have been learned from the MP-BGP protocol?

  A. 0

  B. 2

  C. 3

  D. 6

  Correct Answer: C

• Question 75:

  Click the exhibit button.

  

  Part of a 6VPE deployment is shown. Which of the following is the correct configuration and context on

  router CE1 for a BGP peering session with 6VPE1?

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: D

• Question 76:

  Which of the following about the label stack of a VPRN is FALSE?

  A. The service label is swapped for a transport label during transport.

  B. The transport label is used to forward packets between PEs.

  C. The service label is used to identify which VPRN a packet belongs to.

  D. Labels are initially added at the ingress PE.

  Correct Answer: A

• Question 77:

  Which service type would be used to provide a bi-directional Layer 2 connection of TDM circuits over an IP/MPLS network?

  A. A-pipe

  B. E-pipe

  C. I-pipe

  D. F-pipe

  E. C-pipe

  Correct Answer: E

• Question 78:

  Which of the following about VPN labels is FALSE?

  A. They are signaled between PE devices using MP-BGP.

  B. They are swapped at each P router as a packet crosses the service provider network.

  C. They are also known as the inner label or service label.

  D. They indicate to the egress PE the VPRN to which a packet belongs.

  Correct Answer: B

• Question 79:

  Which of the following about the BGP VPN-IPv4 address family is FALSE?

  A. When a PE router receives an IPv4 prefix from its local CE, it creates a VPN-IFV4 prefix.

  B. VPN-IPv4 allows BGP to distinguish between duplicate prefixes originating from different customers.

  C. In a VPRN, data traffic is carried in packets that have VPN-IPv4 addresses.

  D. VPN-IFV4 addresses are only present within the service provider network.

  Correct Answer: C

• Question 80:

  A customer has sites on three different Alcatel-Lucent 7750 SRs. The customer requires a fully-meshed VPLS. Which of the following is TRUE?

  A. Each router requires 1 SDP.

  B. Each router requires 2 SDPs.

  C. Each router requires 3 SDPs.

  D. Each router requires 6 SDPs.

  Correct Answer: B