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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.

From the list below select the statements that describe the behavior of link state information aging. (Choose 2)

A.

The age for newly created link state information is set to 0 for OSPF and 1200 for IS-IS

B.

The age for newly created link state information is set to 1200 for OSPF and 0 for IS-IS

C.

The age is incremented or decremented as it is flooded from router to router and as it is held in the topological database.

D.

The age is incremented or decremented only as it is held in the topological database and not as it is flooded router to router.

An OSPF router receives an update in which the sequence number, age, and checksum are the same as the entry already in the topological database. What action is taken by the router?

A.

The link state information is not populated in the database but is forwarded to all neighbors

B.

The link state information already in the database is overwritten and the age is reset

C.

The link state information is not populated in the database and an acknowledgement is sent

D.

The link state information is regarded as old and nothing is done.

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 the exhibit button.

What can you deduce from the show command on router R6?

A.

The router R6 interface is in a multi-access segment. It is neither the DR nor the BDR for the segment. The DR for this segment would be the router with router ID 10.10.10.5.

B.

The router R6 interface is in a multi-access segment. It is neither the DR nor the BDR for the segment; however, this command does not indicate whether 10.10.10.3 or 10.10.10.5 is the DR or BDR.

C.

The router R6 interface is in a multi-access segment. It is the BDR, which is why it is not adjacent to the other routers.

D.

The router R6 interface is in a multi-access segment. It is neither the DR nor the BDR for the segment. The DR for this segment would be the router with router ID 10.10.10.3.

In an OSPF Hello packet, which of the following fields must match for all neighbor routers on the segment? Choose three answers.

A.

Area ID

B.

Hello and Dead intervals

C.

Stub flag

D.

Checksum values

E.

The list of neighbors

An interface is configured on a router for OSPF but the command "show router ospf neighbor" does not show any neighbors. Which of the following is NOT a possible cause?

A.

An OSPF database description packet has not been received from the neighbor.

B.

The interface facing the neighbor is down.

C.

The interface is included in a different area than the neighbor router.

D.

The router has not received a valid OSPF Hello packet from its neighbor.

In an OSPF Hello packet what fields must match all neighbor routers on the segment? (Choose 3)

A.

Area ID

B.

Hello and Dead Intervals

C.

Stub flag

D.

DR and BDR addresses

E.

The list of neighbors

Which of the following are similarities between OSPF and IS-IS? Choose two answers.

A.

Metric is based on hop count.

B.

Slow convergence after link failures.

C.

Support hierarchy through the use of areas.

D.

Support for CIDR.

E.

Link state updates sent using layer 3 multicast.

Which of the following statements regarding OSPF routing updates on a point-to-point link is true?

A.

On a point-to-point link, there is no need for a DR and BDR election; all routing updates are sent to 224.0.0.5.

B.

On a point-to-point link, a DR and BDR are elected. The DR sends link-state advertisements describing the network.

C.

On a point-to-point link, a DR and BDR are elected. To ensure resiliency, both the DR and BDR send link-state advertisements describing the network.

D.

On a point-to-point link, there is no need for a DR and BDR election. All routing updates are sent to the unicast address of the neighbor's interface.