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Nokia GMPLS-Controlled Optical Networks Sample Questions:

1. Which of the following statements about the Wait for Server Restoration (WSR) parameter in the MRN is correct?

A) When WSR is true, the LO channels do not wait for the LI services to restore.
B) When WSR is true, the LO optical channel remains in the link until the failure is fixed.
C) When WSR is false, the LI services do not wait for the LO restoration and restore through LI switching.
D) When WSR is false, if the failed optical channel can be restored at LO, the data traffic stays in the tunnel.

2. Which of the following statements best describes a distributed control plane for GMPLS?

A) The control plane is active in some network nodes and not in others.
B) The network manager controls all the routing for the network.
C) Each router has software to run the GMPLS protocols and can modify the node's switching fabric.
D) The network is managed by more than one network management system.

3. What is the definition of Constrained Shortest Path First (CSPF)?

A) It is the 5FP algorithm applied after pruning links that do not meet the specified constraints.
B) It is the SPF algorithm applied to low bandwidth LSPs.
C) It is the SPF algorithm applied for low latency LSPs.
D) It is a combination between OSPF-TE and RSVP-TE.

4. Which of the following is not a GMPLS protocol?

A) RSVP-TE
B) OSPF-TE
C) SFD
D) LMP

Solutions: