Nokia 4A0-104 Online Practice Questions and Exam Preparation

Nokia 4A0-104 Online Questions & Answers

• Question 251:

  Click the exhibit.

  

  PE1 and PE2 are Nokia 7750 SRs. What needs to be added to PE1's configuration to mirror traffic between PE2 and the customer site?

  A. A "remote-source" needs to be added to the mirror destination on PE1.
  B. A mirror source needs to be added to PE1 with a "remote-source".
  C. This is not possible since the protocol analyzer is located at the Central Office. It needs to be at the customer site.
  D. A mirror source with SAP 1/1/2 needs to be added on PE1.
  A. A "remote-source" needs to be added to the mirror destination on PE1.

• Question 252:

  A service has a null encapsulated SAP and a `vc-type vlan' SDP. What happens when the SAP receives an untagged Ethernet frame?

  A. The frame is dropped.
  B. The service ID is added as the provider VLAN tag.
  C. A VLAN tag of 0 is added as the provider VLAN tag.
  D. The frame is forwarded with no provider VLAN tag.
  C. A VLAN tag of 0 is added as the provider VLAN tag.

• Question 253:

  Click the exhibit.

  

  Which tool produced this output?

  A. mac-trace
  B. svc-ping
  C. lsp-trace
  D. traceroute
  C. lsp-trace

• Question 254:

  Which of the following statements best describes a route target?

  A. A route target is a BGP extended community used to identify the VRF table for a prefix at the receiving PE
  B. A route target is a mechanism from which VPRN controls the distribution of VPN routing information.
  C. Route target attributes are earned in a MP-BGP as attributes of the route.
  D. A route target is used by the PE router to identify the VRF that a VPN-lPv4 prefix is associated with.
  E. All of the above statements describe a route target
  F. None of the above statements describe a route target
  E. All of the above statements describe a route target

• Question 255:

  A VPRN service is configured with BGP used as the CE-PE routing protocol. What address families are required on the PE-CE BGP session?

  A. VPN-IPv4 address families are required in order for routes to be exchanged with the PE.
  B. Only default IPv4 address families are required since the CE is not aware of the VPRN service
  C. Either IPv4 or VPN-IPv4 address families can be configured on the PE-CE BGP session
  D. An IPv4 address family configuration is required for the PE-PE configuration.
  B. Only default IPv4 address families are required since the CE is not aware of the VPRN service

• Question 256:

  Which of the following about SDPs is FALSE?

  A. All services bound to the same SDP must be the same service type.
  B. All services bound to the same SDP will have the same transport encapsulation.
  C. Any operation on an SDP will affect all services bound to that SDP.
  D. An SDP is used to direct traffic for a service from one router to another.
  A. All services bound to the same SDP must be the same service type.

• Question 257:

  Which of the following about the components of a service on the Nokia 7750 SR is FALSE?

  A. An SDP can be used by more than one service.
  B. A SAP can only be created on an access port.
  C. The same SAP ID can be used on different PEs by the same service.
  D. A customer can only have a single service associated to it.
  C. The same SAP ID can be used on different PEs by the same service.

• Question 258:

  The SAP 1/1/1:2.3 receives an Ethernet frame with outer VLAN tag 2 and inner VLAN tag 5. Which of the following is TRUE?

  A. The matching outer tag is removed, and the frame is forwarded.
  B. The inner tag is removed, and the frame is forwarded.
  C. The inner tag is changed to match the SAP, and the frame is forwarded.
  D. The frame is dropped.
  D. The frame is dropped.

• Question 259:

  In a Layer 2 encapsulation using T-LDP, what does the second (bottom) label represent?

  A. Tunnel Label
  B. VC Label
  C. Operational Control Word
  D. VPI
  E. VCI
  B. VC Label

• Question 260:

  Which of the following about the Nokia 7750 SR svc-ping, when used in-band, is FALSE?

  A. It will show the hops taken between service endpoints.
  B. It will test the delay across the service.
  C. It will test the SDPs of a service in both directions.
  D. It will test the round-trip connectivity of the service.
  A. It will show the hops taken between service endpoints.