Nokia Nokia Certifications 4A0-104 Questions & Answers

• Question 201:

  An Ethernet frame is received by SAP 1/1/1:33. Which of the following is FALSE?

  A. If the frame has a VLAN tag of 33, it is accepted.

  B. If the frame has a tag other than 33, it is dropped.

  C. If the frame is untagged, a VLAN tag of 33 is added, and the frame is accepted.

  D. If the frame is untagged, it is dropped.

  Correct Answer: D

• Question 202:

  Consider an E-pipe service configured with a dot1Q SAP 1/1/1:5 on one site and a null SAP at the other site. If the ingress 1/1/1:5 SAP accepts a frame, which of the following is TRUE?

  A. The frame egresses from the null SAP without the VLAN tag 5.

  B. The frame egresses from the null SAP with VLAN tag 5.

  C. The frame egresses from the null SAP with VLAN tag 0.

  D. The frame is dropped at the null SAP.

  Correct Answer: B

• Question 203:

  Which of the following statements about the E-pipe service is FALSE?

  

  A. The service has a VC ID of 44.

  B. The service's data is encapsulated using GRE.

  C. The service is a distributed service.

  D. The service's port is using dot1q encapsulation.

  Correct Answer: B

• Question 204:

  Which of the following best describes I-pipe and E-pipe interworking?

  A. I-pipes and E-pipes use bridged PDUs to perform ATM/FR/PPP Ethernet interworking.

  B. I-pipes use bridged PDUs to perform ATM/FR/PPP Ethernet interworking. E-pipes use routed PDUs to perform ATM/FR/PPP Ethernet interworking.

  C. I-pipes use routed PDUs to perform ATM/FR/PPP Ethernet interworking. E-pipes use bridged PDUs to perform ATM/FR/PPP Ethernet interworking.

  D. I-pipes and E-pipes use routed PDUs to perform ATM/FR/PPP Ethernet interworking.

  Correct Answer: C

• Question 205:

  Which of the following about VPRN labels is TRUE?

  A. The core P routers will swap the service label at each hop.

  B. The CE pushes the VPRN service label on to the packet and then forwards it to the ingress PE.

  C. The PE swaps the transport label from the CE and then forwards the packet.

  D. At the egress PE, the transport and service labels are popped.

  Correct Answer: D

• Question 206:

  Which of the following about the Nokia 7750 SR sdp-ping is TRUE?

  A. It tests the IGP reachability of the far-end IP address of an SDP.

  B. It tests that the MTU settings of a service are correct.

  C. It tests in-band, uni-directional or round-trip connectivity of SDPs.

  D. It tests the reachability of hosts connected to an SDP.

  Correct Answer: C

• Question 207:

  Which of the following comparisons between E-pipes and VPLSes is FALSE?

  A. They both function as a Layer 2 switch from the service provider's perspective.

  B. They both support SAP encapsulations of null, dot1Q and Q-in-Q.

  C. They both use SAPs as the demarcation point between the customer and the provider.

  D. MAC addresses are learned by VPLSes, but not by E-pipes.

  Correct Answer: A

• Question 208:

  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-ipv4 ipv6

  C. family vpn-ipv4 vpn-ipv6

  D. family ipv6 vpn-ipv6

  Correct Answer: C

• Question 209:

  Which of the following about VPRNs is TRUE?

  A. Customers must use the same routing protocol as the service provider.

  B. Customers belonging to the same VPRN service must use the same subnet.

  C. Service providers only need to perform configurations on the PEs to add additional VPRNs.

  D. For each VPRN, only one customer can be connected at each PE.

  Correct Answer: C

• Question 210:

  Which of the following about route distinguishers on the Nokia 7750 SR is TRUE?

  A. Route distinguishers are appended to IPv4 prefixes to form IPv6 prefixes.

  B. CE routers use a route distinguisher to indicate which VPRN they are associated to.

  C. A route distinguisher combined with an IPv4 prefix produces a VPN-IPv4 prefix.

  D. Route distinguishers are used to determine which routes a VPRN should import.

  Correct Answer: C