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Nokia 4A0-220 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: GMPLS Fundamentals | - MPLS extensions for optical networks
|
| Topic 2: Protection and Restoration | - Failure recovery strategies
|
| Topic 3: Control Plane Protocols | - RSVP-TE signaling
|
| Topic 4: Optical Transport Networks | - OTN architecture
|
Nokia GMPLS-Controlled Optical Networks Sample Questions:
Which of the following statements about the Wait for Server Restoration (WSR) parameter in the MRN is correct?
- A. When WSR is false, the LI services do not wait for the LO restoration and restore through LI switching.
- B. When WSR is false, if the failed optical channel can be restored at LO, the data traffic stays in the tunnel.
- C. When WSR is true, the LO channels do not wait for the LI services to restore.
- D. When WSR is true, the LO optical channel remains in the link until the failure is fixed.
Correct Answer: A 🗳️
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What is the purpose of the Upstream Label Object in RSVP-TE?
- A. It allows a node to restrict the labels that may be used downstream.
- B. It signals resource reservation information to upstream nodes.
- C. It indicates the LSP flow direction.
- D. It allows for a label to be suggested to provision bidirectional LSPs.
Correct Answer: D 🗳️
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What is the GMRE node address?
- A. An IP address for CORBA communication with the NMS
- B. The OSPF-TE broadcast IP used to flood the link adjacency information
- C. The IP address for communication between NEs
- D. The LMP Control Channel ID. This field contains the IPv4 address of the ingress LER as a global unique identifier
Correct Answer: C 🗳️
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Which of the following is not a key feature of GMPLS?
- A. Fast protection
- B. Restoration
- C. Self-discovery
- D. Resource optimization
Correct Answer: D 🗳️
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