Nokia 4A0-C01 Exam
Nokia NRS II Composite Exam (Page 28 )

Updated On: 19-Jan-2026

Which MPLS mode saves only active label mappings received from peer LSRs?

  1. Conservative label retention
  2. Liberal label retention
  3. Downstream on demand
  4. Downstream unsolicited

Answer(s): A



If an Alcatel-Lucent 7750 SR is an iLER operating in pipe mode, which of the following regarding the TC field (EXP bits) is TRUE?

  1. The TC field is set based on the value of the DSCP field inside the customer packet.
  2. The TC field is set to a specific value via explicit administrative configuration.
  3. The TC field is set to a system generated random number.
  4. The TC field is set by the eLER.

Answer(s): B



Click on the exhibit.

Both Path-1 and Path-2 are down. If Path-2 becomes available again, how does the headend router select the secondary LSP path?

  1. The router will switch to Path-2 because it is the first secondary path configured in the list.
  2. The router will not switch to Path-2 because the current path has the longest uptime.
  3. The router will switch to Path-2 because it is a more preferred path.
  4. The router will not switch to Path-2 because the router will not revert to another secondary path.

Answer(s): C



Click on the exhibit. After the Isp-ping command is executed, which of the following best describe the router's action?

  1. MPLS Echo Request packets are sent within the RSVP-TE tunnel that is signaled for "lsp-toR2".
  2. MPLS Echo Request packets are sent within the LDP tunnel that is signaled for Mlsp-toR2".
  3. MPLS Echo Request packets are IP-routed to the destination address of "lsp-toR2".
  4. MPLS Echo Request packets are sent to the destination address of "lsp-toR2" over TCP.

Answer(s): A



Which of the following most accurately describes the default behavior of a VPLS regarding the handling of a tagged frame at the ingress of SAP 1/1/1:100?

  1. The FCS is verified and the customer frame is transported intact over the service provider network.
  2. The FCS is verified and kept in the customer frame. The VLAN tag is removed for transport over the network.
  3. The FCS is verified and removed from the frame. The VLAN tag is kept for transport over the network.
  4. The FCS is verified and removed from the frame. The VLAN tag is removed for transport over the network.

Answer(s): D



Viewing page 28 of 170
Viewing questions 136 - 140 out of 852 questions



Post your Comments and Discuss Nokia 4A0-C01 exam prep with other Community members:

Join the 4A0-C01 Discussion