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In IS-IS, which of the following statements regarding an L1/L2 router is false?

A.

An L1/L2 router can have neighbors in different areas.

B.

An L1/L2 router calculates separate SPF trees for the Level 1 and Level 2 topology.

C.

An L1/L2 router advertises its L2 routes to its L1 neighbors.

D.

An L1/L2 router sets the ATT bit in L1 LSPs to identify itself as an L1 router.

Which of the following statements regarding the IS-IS CSNP is false?

A.

CSNPs are used to maintain consistency in the link state database.

B.

CSNPs are advertised before an adjacency is formed with another router.

C.

There are two types of CSNPs: Level 1 and Level 2.

D.

CSNPs are advertised after an adjacency is formed with another router.

At what point is the LSP SRM flag cleared when an LSP is sent on an IS-IS point-to-point link?

Choose two answers.

A.

As soon as the LSP is transmitted.

B.

When an acknowledgment is received in the form of PSNP.

C.

When an older LSP is received.

D.

When a newer or same aged LSP is received.

E.

Only when a newer LSP is received

Click the exhibit button.

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?

A.

The prefix list reject should be "192.168.3.0/16 exact".

B.

Router R1 should be configured as an OSPF "asbr".

C.

The policy "reject" should be set for import rather than export.

D.

The policy was likely not "committed" after creation.

E.

This is not possible because OSPF cannot use import policies.

What are the default Hello and Dead timer intervals for OSPF on the Alcatel-Lucent 7750 SR?

A.

5 and 15 seconds

B.

10 and 30 seconds

C.

5 and 20 seconds

D.

10 and 40 seconds

What causes an adjacency to change from down to two ways?

A.

When a link state update is received in response to a link state request.

B.

When a router receives a Hello packet that contains its own router ID in the neighbor list from a neighbor.

C.

When a router receives a database description packet from a neighbor.

D.

When a link state acknowledgement is received in response to a link state update.

Click on the exhibit.

Given the contents of the LSPs from routers R1 and R2, which of the following is TRUE?

A.

Router R1 summarizes the prefixes from router R3 as 192.168.0.0/16 and router R2 does not summarize the prefixes.

B.

Router R1 does not summarize the prefixes from routers R3 and R2 summarizes them as 192.168.0.0/16.

C.

Router R1 summarizes the prefixes from router R3 as 192.168.0.0/20 and router R2 does not summarize the prefixes.

D.

Router R1 does not summarize the prefixes from routers R3 and R2 summarizes them as 192.168.0.0/20.

E.

Both routers R1 and R2 summarize the prefixes from R3 as 192.168.0.0/20.

F.

Neither router R1 nor router R2 summarizes the prefixes from router R3.

When a router performs the SPF calculation, which router is used as the root of the shortest path tree?

A.

The router with the least number of links.

B.

The router with the lowest router ID.

C.

The router's closest neighbor.

D.

The router doing the calculation.

Which LSA type is not found in point-to-point only OSPF networks?

A.

Type 1 Router LSA

B.

Type 2 Network LS A

C.

Type 3 Summary LSA

D.

Type 5 External LSA

Click on the exhibit.

Router R5 is advertising the three loopbacks prefixes shown in OSPFv3. The following command is executed on router R1: R1# configure router ospf3 area 0 area-range FD00:11:11:5000:764.

Which of the following is TRUE regarding the OSPFv3 LSDB on R6?

A.

Router R6 will have a single Router LSA that describes the summary prefix.

B.

Router R6 will have three Router LSAs - one to describe each loopback prefix.

C.

Router R6 will have a single Inter-Area Prefix LSA to describe the summary prefix.

D.

Router R6 will have three Inter-Area Prefix LSAs - one to describe each loopback prefix.

E.

Router R6 will not have any LSAs to describe the loopback prefix or the summarized prefix.