Nokia 4A0-C01 Exam
Nokia NRS II Composite Exam (Page 4 )

Updated On: 19-Jan-2026

What action does a router perform when it looks up the label of an incoming packet in its LFIB and sees that the LFIB maps to an egress label ?

  1. It requests a new label from the peer that provided this label.
  2. It pops the label.
  3. It pushes an additional label onto the label stack.
  4. It signals a new label to the peer that sent the packet.

Answer(s): B



When configuring distributed services across a network, it is considered best practice to configure which of the following parameters as globally significant? (Choose 2)

  1. SDP ID
  2. Service ID
  3. Customer ID
  4. SAP ID

Answer(s): B,C



Which of the following best describes how the path-mlu is chosen for an SDP?

  1. An SDP does not have a path-mtu
  2. The path-mtu must be set by the administrator.
  3. By default, the path-mtu is calculated automatically from the network port MTU of the PE router.
  4. The path-mtu is calculated based on the service MTU of the service using the SDP.
  5. The path-mtu is signaled between the PE endpoints when the service is established.

Answer(s): C



Port 1/1/1 has been configured as an access port with encapsulation dot1q on an Alcatel- Lucent 7750 SR. Which of the following statements are TRUE? (Choose 2)

  1. The SAP 1/1/1 will forward all traffic transparently.
  2. The SAP 1/1/1:0.* will forward all untagged traffic and traffic tagged with VLAN 0.
  3. The SAP 1/1/1:* will forward untagged traffic but not tagged traffic.
  4. TheSAP1/1/1:400 will forward customer traffic tagged with VLAN 400
  5. The SAP 1/1/1:0 will forward untagged traffic and traffic tagged with VLAN 0

Answer(s): D,E



Fragmentation is supported on a Layer 2 service

  1. TRUE
  2. FALSE

Answer(s): B



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