- Exam Code: 4A0-220
- Exam Name: Nokia GMPLS-Controlled Optical Networks
- Certification Provider: Nokia
- Corresponding Certification:Nokia Optical Network Services Expert
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Nokia 4A0-220 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Advanced GMPLS Features | 10% | - GMPLS optimization and scalability - SRLG and path diversity |
| GMPLS Routing and Signaling Protocols | 25% | - RSVP-TE for GMPLS
|
| GMPLS Protection and Restoration | 25% | - Protection mechanisms
|
| GMPLS Fundamentals and Architecture | 20% | - GMPLS LSP types and characteristics
|
| GMPLS Service Provisioning and Operation | 20% | - Maintenance and monitoring
|
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 true, the LO optical channel remains in the link until the failure is fixed.
- B. When WSR is true, the LO channels do not wait for the LI services to restore.
- C. When WSR is false, if the failed optical channel can be restored at LO, the data traffic stays in the tunnel.
- D. When WSR is false, the LI services do not wait for the LO restoration and restore through LI switching.
Correct Answer: D 🗳️
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What does the SNC state with an uppercase "N" mean in a resource in NFM-T?
- A. Indicates if s a higher alarm state level
- B. Indicates it's currently using the Nominal resource assigned to it
- C. Indicates the nominal resource on a TE-link that is not in use
- D. Indicates it's using a link other than the Nominal
Correct Answer: B 🗳️
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What is the purpose of the RSVP-TE Notify message?
- A. It is a mechanism to inform non-adjacent nodes of LSP events
- B. It is the node's alarm control channel
- C. It is confirmation of a node's resource reservation
- D. It is a mechanism to inform the NM5 of L5P events
Correct Answer: A 🗳️
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What is the purpose of preemption when establishing an LSP?
- A. To assign the correct wavelengths depending on the type of traffic
- B. To pick the next hop during LSP signalling
- C. To tear down an existing LSP in order to accommodate higher priority traffic
- D. To measure the end-to-end latency
Correct Answer: C 🗳️
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