Nokia Nokia Certifications 4A0-C04 Questions & Answers

• Question 221:

  How are policy direction and data flow related on the Nokia 7750 SR?

  A. Import policies affect ingress data flow.

  B. Export policies affect ingress data flow.

  C. Both import and export policies affect ingress data flow.

  D. Policy direction and data flow are independent.

  Correct Answer: B

• Question 222:

  Click the exhibit.

  

  Given the following configuration for router R1, what is the expected Next Hop for prefix 192.168.1.0/27 as seen on router R2?

  

  A. 10.0.2.1

  B. 10.0.2.2

  C. 10.16.10.1

  D. 10.16.10.3

  Correct Answer: B

• Question 223:

  Click the exhibit.

  

  The output is from PE router R1 about VPRN service 100. From which protocol did router R1 learn the prefix 192.168.20.0/24?

  A. LDP

  B. BGP

  C. MP-BGP

  D. MPLS

  Correct Answer: C

• Question 224:

  Which of the following regarding BGP confederations is FALSE?

  A. The entire confederation is viewed as a single AS by an eBGP peer.

  B. Within a confederation, each member AS is considered as a stand-alone AS.

  C. Member ASs within a confederation can use route reflection.

  D. Member ASs must be fully meshed within a confederation.

  Correct Answer: D

• Question 225:

  Click the exhibit.

  

  The two PEs are providing 6VPE and IPv4 VPRNs. The core network is IPv4/MPLS. Which of the following is the BGP family configuration for the MP-BPG on the PEs?

  A. family ipv4 ipv6

  B. family vpn-ipv4ipv6

  C. family vpn-ipv4 vpn-ipv6

  D. family ipv6 vpn-ipv6

  Correct Answer: C

• Question 226:

  When an OSPF adjacency is stuck in the "ExchStart" state, what is the most likely cause?

  A. The MTU does not match on both interfaces

  B. OSPF is not enabled on one of the routers

  C. The Router ID is the same on both routers

  D. A OSPF Hello has not been received from the neighbor

  Correct Answer: A

• Question 227:

  Which of the following regarding "well-known discretionary'' BGP attributes is TRUE?

  A. They must be recognized by all peers and included in all BGP updates.

  B. They are discarded if not recognized by the recipient.

  C. They must be recognized by all peers and optionally included in BGP updates.

  D. The receiving router sends a notification if a well-known discretionary attribute is not present in an update.

  Correct Answer: C

• Question 228:

  An IS-IS TE enabled router has an interface on a 500Mbps link and it is configured with a 25% subscription. If this interface is not used by any LSPs. What value will be shown in the Reservable Bandwidth sub-TLV?

  A. 125 Mbps

  B. 500 Mbps

  C. 625 Mbps

  D. 2000 Mbps

  Correct Answer: A

• Question 229:

  In an IP datagram, which of the following fields identifies the receiving application?

  A. The protocol field of the transport layer header.

  B. The port field of the transport layer header.

  C. The protocol field of the network layer header.

  D. The port field of the network layer address.

  Correct Answer: B

• Question 230:

  What causes an adjacency to change from down to two ways?

  A. When a link state update is received in response to a link state request.

  B. When a router receives a Hello packet that contains its own router ID in the neighbor list from a neighbor.

  C. When a router receives a database description packet from a neighbor.

  D. When a link state acknowledgement is received in response to a link state update.

  Correct Answer: B