Nokia Nokia Certifications 4A0-C04 Questions & Answers

• Question 251:

  Which of the following about transport and service tunnels is FALSE?

  A. Service tunnels are unidirectional.

  B. Transport tunnels are unidirectional.

  C. A service will use the same service label for every hop.

  D. A local service requires a transport tunnel.

  Correct Answer: D

• Question 252:

  Click on the exhibit.

  

  After the Isp-ping command is executed, which of the following best describe the router's action?

  A. MPLS Echo Request packets are sent unlabeled to the prefix 192.10.1.2.

  B. MPLS Echo Request packets are sent within the LDP tunnel that are signaled for 192.10.1.2.

  C. MPLS Echo Request packets are sent within the RSVP-TE tunnel that are signaled for 192.10.1.2.

  D. MPLS Echo Request packets are sent over TCP.

  Correct Answer: B

• Question 253:

  Which LSA type is used for OSPF-TE?

  A. Type 8 LSA -- Link Local LSA

  B. Type 9 LSA -- Link local Opaque LSA

  C. Type 10 LSA -- Area local Opaque LSA

  D. Type 11 LSA --AS Opaque LSA

  Correct Answer: C

• Question 254:

  A BGP session is in OpenConfirm state. Which of the following messages must be received to transition to Established state?

  A. Update

  B. Open

  C. Notification

  D. Keepalive

  Correct Answer: D

• Question 255:

  Which of the following statements best describes the function of an OSPF Type 4 LSA?

  A. A Type 4 LSA is originated by an ABR to describe a route to an ASBR to routers outside the area.

  B. A Type 4 LSA is originated by an ASBR to describe a route to itself to routers outside the area.

  C. A Type 4 LSA is originated by an ABR that is connected to a stub area. The LSA is injected into the backbone area to provide routing information.

  D. A Type 4 LSA is originated by an ABR that is connected to a stub area. The LSA is injected into the stub area to provide routing information.

  Correct Answer: A

• Question 256:

  Click on the exhibit.

  

  This policy is applied on a router as an LDP export policy and an LDP session has been established between this router and its neighboring router. In addition to the FECs learned from its neighbors, what additional FECs will appear in this router's LIB?

  A. All FECs that are in the 192.168.1.0/24 address space.

  B. Local FECs that are in the 192.168.1.0/24 address space.

  C. All FECs that are not in the 192.168.1.0/24 address space.

  D. All FECs except the local FECs that are in the 192.168.1.0/24 address space.

  Correct Answer: B

• Question 257:

  What are the three databases maintained by a Link State Protocol?

  A. Neighbor, adjacency, route table

  B. Neighbor, topology, forwarding

  C. Topology, routing, forwarding

  D. There are only two databases: adjacency and topology

  Correct Answer: B

• Question 258:

  What happens by default on an Nokia 7750 SR when a VPLS accepts a tagged frame at the ingress SAP 1/1/1:100?

  A. The FCS is verified and kept in the customer frame. The VLAN tag is kept and transported over the network.

  B. The FCS is verified and kept in the customer frame. The VLAN tag is removed for transport over the network.

  C. The FCS is verified and removed from the frame. The VLAN tag is kept for transport over the network.

  D. The FCS is verified and removed from the frame. The VLAN tag is removed for transport over the network.

  Correct Answer: D

• Question 259:

  Which of the following cannot be used as a matching criterion in route policy statements?

  A. Source IP address

  B. TCP source port

  C. Prefix list

  D. Protocol type

  Correct Answer: D

• Question 260:

  Click the exhibit.

  

  Router R2 receives a route to 192.168.1.0/27 from router R4, and sets the local preference to 110. Router R1 receives a route to 192.168.1.0/27 from router R3, and sets the local preference to 80. Both ASs have a full iBGP mesh. What path does traffic destined to 192.168.1.0/27 take from router R1?

  A. R1-R3-R8

  B. R1-R2-R4-R8

  C. R1-R3-R4-R8

  D. R1-R2-R4-R3-R8

  Correct Answer: B