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Nokia GMPLS-Controlled Optical Networks
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, Question 1. (Single Select)
Which of the following is not a key feature of GMPLS?
A: Self-discovery
B: Fast protection
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C: Restoration
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D: Resource optimization
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Answer: D
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Explanation:
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GMPLS is a protocol suite that extends the MPLS signaling and routing capabilities to control different
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types of switching technologies, such as optical, TDM, and packet switching1. GMPLS has several key
features, such as self-discovery, fast protection, and restoration. Self-discovery allows GMPLS
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nodes to automatically discover their neighbors and exchange information about their capabilities and
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resources2. Fast protection enables GMPLS nodes to quickly switch to backup paths in case of a
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failure, without relying on the control plane3. Restoration allows GMPLS nodes to dynamically
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establish new paths in the network after a failure, using the control plane3. Resource optimization is not a
key feature of GMPLS, but rather a potential benefit of using GMPLS to efficiently utilize the network
resources and avoid over-provisioning. Reference:
1: Nokia GMPLS-controlled Optical Networks Course | Nokia
2: GMPLS - Nokia
3: Traffic survivability through Protection and Restoration Combined (PRC) - YouTube
[4]: GMPLS: Architecture and Applications - Google Books
Question 2. (Single Select)
What is the meaning of Generalized in GMPLS?
A: Switching can be based on values other than the label
B: The label can assume an extended value range, and is not constrained as it is with MPLS
C: Unlike MPLS, GMPLS supports multi-vendor networks
D: GMPLS can be used for traffic types other than data packets
Answer: D
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