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Questions # 1:

Click on the exhibit.

Question # 1

In the topology shown, router R1 is an ASBR configured to export external routes to OSPF.

Assuming that there are no stub or NSSA networks, which of the following regarding LSAs is TRUE?

Options:

A.

Only router R1 will generate Type 4 LSAs.

B.

Only router R3 will generate Type 4 LSAs.

C.

Routers R3 and R6 will generate Type 4 LSAs.

D.

Routers R1.R3 and R6 will generate Type 4 LSAs.

Expert Solution
Questions # 2:

Which of the following is a valid IPv6 address equivalent to 2001:0da8:0000:0000:0024:0000:4ab9:0300?

Options:

A.

2001:0da8:::0024:0000:4ab9:03

B.

2001:0da8::0024::4ab9:0300

C.

2001:da8::24::4ab9:300

D.

2001:da8::24:0:4ab9:300

Expert Solution
Questions # 3:

Click on the exhibit.

Question # 3

Given the output shown, which router is the ASBR in this network?

Options:

A.

10.10.10.2

B.

10.10.10.3

C.

10.10.10.4

D.

10.10.10.6

E.

There is no ASBR configured in the network.

Expert Solution
Questions # 4:

Which OSPFv3 LSA type is generated by an ABR to advertise prefixes from one area to another?

Options:

A.

AS External

B.

Intra-Area Prefix

C.

Inter-Area Router

D.

Inter-Area Prefix

Expert Solution
Questions # 5:

Which is the OSPFv3 equivalent to the OSPFv2 Type 7 LSA?

Options:

A.

Intra-Area Prefix LSA

B.

Router LSA

C.

AS External LSA

D.

NSSA LSA

Expert Solution
Questions # 6:

Which of the following regarding IS-IS DIS is FALSE?

Options:

A.

L1 and L2 routers elect separate DIS's.

B.

DIS uses a specific Ethernet multicast address to communicate with other routers on the broadcast network.

C.

If a new router starts up in a LAN and has a higher interface priority, the new router preempts the original DIS and becomes the DIS.

D.

In broadcast multi-access networks, such as Ethernet, one router is elected as the DIS and a second router as the backup DIS.

Expert Solution
Questions # 7:

An OSPF backbone area contains Type 5 LSAs. If an attached area receives only Summary LSAs from the backbone area, what type of area is the attached area?

Options:

A.

Normal

B.

Stub

C.

Totally stubby

D.

Totally NSSA

Expert Solution
Questions # 8:

Which of the following regarding the IS-IS CSNP is FALSE?

Options:

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.

The CSNP lists the LSPs in the router's database

Expert Solution
Questions # 9:

How does an IS-IS router acknowledge the receipt of an IS-IS LSP on a point-to-point link?

Options:

A.

They are explicitly acknowledged by sending a CSNP to the sender identifying the LSP.

B.

They are implicitly acknowledged as a part of the link-state database synchronization and maintenance procedures.

C.

They are explicitly acknowledged by sending a PSNP to the sender identifying the LSP.

D.

They are implicitly acknowledged by the DIS multicast of CSNPs.

Expert Solution
Questions # 10:

Click on the exhibit.

Question # 10

OSPF router R2 has both point-to-point and broadcast interfaces and it is not a DR for any interfaces. Router R2 detects the link failure between itself and router R1.

Which of the following is correct?

Options:

A.

Router R2 sends an update to 224.0.0.5 on its broadcast and point-to-point interfaces. The DR does not send any updates.

B.

Router R2 sends an update to 244.0.0.5 on its point-to-point interfaces. The DR sends an update to 224.0.0.6 on the broadcast network.

C.

Router R2 sends an update to 224.0.0.5 out its point-to-point interfaces and an update to 224.0.0.6 out its broadcast interface. The DR sends updates to 224.0.0.5 on the broadcast network.

D.

Router R2 sends an update to 224.0.0.6 out its point-to-point interfaces and an update to 224.0.0.5 out its broadcast interface. The DR sends an update to 224.0.0.6 on the broadcast networks.

Expert Solution
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