4A0-220 무료 덤프문제 온라인 액세스

What is the function of the OSPF-TE protocol?

• A.To assign different priority to various types of transported signals
• B.To exchange with other nodes data about the state of links
• C.To create an MPLS tunnel between two or more end points
• D.To monitor the availability of the links interconnecting adjacent nodes

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

How do you add a 3R resource to the NPA in NFM-T?

• A.The 3R is added to the NPA through the Constraint Wizard
• B.The trail is provisioned with 3R constraints and discovered automatically
• C.The resource is discovered automatically
• D.The 3R is added in the Node panel and automatically added to the NPA

When should two physical connections belong to the same SRG?

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

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

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