4A0-220 試験問題を無料オンラインアクセス

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

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

What is the purpose of the RSVP-TE Notify message?

• A.It is confirmation of a node's resource reservation
• B.It is a mechanism to inform non-adjacent nodes of LSP events
• C.It is the node's alarm control channel
• D.It is a mechanism to inform the NM5 of L5P events

What is a Label Switched Path (LSP)?

• A.A switched protection path
• B.The path created by MPLS nodes
• C.A protocol used by nodes to exchange information about the state of labels
• D.A High Order Container for client signal

Which of the following is not a key feature of GMPLS?

• A.Self-discovery
• B.Resource optimization
• C.Fast protection
• D.Restoration

When should two physical connections belong to the same SRG?

• A.When one is the protection of the other
• B.When they are both selected during the setup process
• C.When they share the same risk of failure
• D.When they are fully disjoint respective to the risk of failure