Nokia Nokia Certifications 4A0-104 Questions & Answers

• Question 221:

  Which of the following about SDPs is FALSE?

  A. An SDP is not required for a local service.

  B. A single SDP can carry different types of services.

  C. An SDP can simultaneously support GRE and MPLS encapsulation.

  D. An SDP can use the system IP address to indicate the far-end router.

  Correct Answer: C

• Question 222:

  Which of the following about VPRN VRF tables is FALSE?

  A. A PE uses the same VRF table for all the VPRN services on it.

  B. A PE uses a VRF to maintain forwarding information.

  C. Information for VRFs can be advertised between PEs by MP-BGP.

  D. A PE uses a VRF to route traffic to CEs.

  Correct Answer: A

• Question 223:

  Which of the following statements about mirror slicing on the Nokia 7750 SR is TRUE?

  A. Mirror slicing is used to logically separate a port that is being monitored.

  B. Mirror slicing is configured in the mirror destination context.

  C. When mirror slicing is enabled, only the protocol headers of the traffic are replicated.

  D. A mirror can be configured with multiple slices.

  Correct Answer: B

• Question 224:

  Click the exhibit.

  

  Based on this output from PE router R1, how many other PEs are participating in the VPRN?

  A. 0

  B. 1

  C. 2

  D. 3

  Correct Answer: B

• Question 225:

  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 226:

  Click the exhibit.

  

  The CEs use BGP and export policies to advertise their local prefixes with the VPRN on their PEs. If the VPRN is functioning properly, which of the following commands will succeed when performed on router R1?

  A. "ping 192.168.20.1"

  B. "oam vprn-ping 100 source 192.168.10.1 destination 192.168.20.1"

  C. "oam vprn-ping 100 source 192.168.20.1 destination 192.168.10.1"

  D. "ping 10.10.10.6" (router R6's system IP)

  Correct Answer: B

• Question 227:

  Which of the following is a characteristic of a VPLS?

  A. All SAPs of a VPLS belong to the same broadcast domain.

  B. When a new site is added, all the existing sites need to be shutdown and re-provisioned.

  C. An additional T-LDP session is required between PEs for each additional VPLS that is provisioned.

  D. Multiple VPLSes on the same router share a single MAC FDB.

  Correct Answer: A

• Question 228:

  Which of the following about ADSPEC is FALSE?

  A. ADSPEC sets an SDP's MTU to the smallest MTU value found along the LSP path.

  B. RSVP must be enabled on all MPLS routers of a path to use ADSPEC.

  C. ADSPEC can automatically adjust the service MTU.

  D. ADSPEC can be enabled on individual LSPs.

  Correct Answer: C

• Question 229:

  What happens by default on a Nokia 7750 SR when a null encapsulated SAP receives a frame with a VLAN tag?

  A. The original VLAN tag is removed.

  B. The original VLAN tag is kept.

  C. The VLAN tag is replaced by a provider tag.

  D. The VLAN tag is kept and a provider tag is added.

  Correct Answer: B

• Question 230:

  On a Nokia 7750 SR, which vc-type will strip service delimiting tags at the ingress PE?

  A. vc-type ether

  B. vc-type vlan

  C. vc-type dotlq

  D. vc-type null

  Correct Answer: A