QUESTION: 157

Which of the following TLV fields is included in an IS-IS Hello packet?

Area addresses TLV Intermediate system neighbors TLV Authentication information TLV
Intermediate system neighbors TLV Area addresses
TLV LSP entries TLV
The IP internal reachability information TLV Area Addresses
TLV Authentication Information TLV
The IP external reachability information TLV Area addresses
TLV Intermediate system neighbors TLV

Answer(s): A

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Router R2 advertises the network 192.168.3.0/24 to router R1 via OSPF. A route policy has been constructed to discard the route on router R1; however, it is not working. What is the problem?

The prefix list reject should be "192.168.3.0/16 exact".
Router R1 should be configured as an OSPF "asbr".
The policy "reject" should be set for import rather than export.
The policy was likely not "committed" after creation.
This is not possible because OSPF cannot use import policies.

Answer(s): E

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QUESTION: 159

In IS-IS database synchronization, each router compares each LSP described in the received CSNPs with the LSPs in its own database. Which of the following actions is taken if the database contains a newer copy of the LSP?

The router sends a copy of the LSP from its database to its neighbor
The router sends a PSNP to its neighbor describing the LSP in its database.
The router updates its database with the LSP and floods a copy to its other neighbors.
The router sends a PSNP to its neighbor to request the LSP.

Answer(s): A

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QUESTION: 160

Which of the following about IS-IS is FALSE?

IS-IS uses the concept of Level 1 and Level 2 routers to implement hierarchy.
An IS-IS router belongs to one or more areas.
All Level 2 routers belong to the same area.
A Level 1 router forwards traffic to other areas through the nearest Level 1/2 router.

Answer(s): C

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