4A0-220 試験問題を無料オンラインアクセス

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

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

What is the purpose of preemption when establishing an LSP?

• A.To measure the end-to-end latency
• B.To tear down an existing LSP in order to accommodate higher priority traffic
• C.To assign the correct wavelengths depending on the type of traffic
• D.To pick the next hop during LSP signalling

What is Tunnel Property Heritage?

• A.The hierarchy tunnels cannot be nested unless they share the same properties.
• B.Cost, SRLG, and Color properties are propagated from HO to LO LSPs.
• C.Maximum allowed bandwith is propagated from HO to LO LSPs.
• D.A restored tunnel inherits the ODUk flows.

How is the GMRE functionality guaranteed in Nokia equipment?

• A.Controller redundancy guarantees GMRE functionality
• B.The specific software configuration guarantees GMRE functionality
• C.Redundant LAN cables guarantee GMRE functionality
• D.Rack redundancy guarantees GMRE functionality in case of a power outage

Which label is swapped in an MPLS label stack at an intermediate node?

• A.The label with the lowest value
• B.The label with the highest value
• C.The label on the top
• D.The label on the bottom