Online Access Free 4A0-C04 Practice Test

How is the aggregator attribute handled with 32-bit AS numbers?

• A.With the same method as 16-bit AS numbers, but using the AS4_Aggregator attribute.
• B.With the same method and attribute as 16-bit AS numbers.
• C.By using a dummy value of 23456 in the 16-bit AS aggregator field. This value lets the router know it needs to read the 32-bit AS number that is contained in the nextTLV.
• D.Aggregation is not yet supported with 32-bit AS numbers.

What are the three databases maintained by a Link State Protocol?

• A.Neighbor, topology, forwarding
• B.There are only two databases: adjacency and topology
• C.Neighbor, adjacency, route table
• D.Topology, routing, forwarding

Which of the following about the Isp-ping command on the Nokia 7750 SR is FALSE?

• A.An echo request is sent based on the LSP's label stack.
• B.Echo reply packets may not take the same path as the LSP.
• C.The IP destination address is used to initiate echo requests,
• D.The test fails if the LSP is not operationally up.

In an OSPF environment, what must a router receive after it sends out an update?

• A.The router must receive a new sequence number
• B.The router must receive a Hello
• C.The router must receive an acknowledgment
• D.The router must receive a Link State Packet

Assuming that "client1" and "client2" are directly-connected networks, what is the result of executing the following BGP export policy?

• A."client1" routes will be tagged with community "North".
• B."client1" routes will be tagged with community "West".
• C."client1" routes will be tagged with communities "North" and "West".
• D."client1" routes will be rejected.