Latest 642-902 Pass4sure Free Tests 121-130

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QUESTION 121

Refer to the exhibit. Router C was configured so that it could form an adjacency with three OSPF

neighbors, one connected to each of its three physical interfaces. Which statement is correct about router C?

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A.       It is configured and functioning correctly as an OSPF internal router.

B.       It is configured and functioning correctly as an ABR attached to stub area 4.

C.       It is configured and functioning correctly as an ASBR attached to external area 4.

D.      It is configured and functioning correctly as an ABR attached to totally stubby area 4.

E.       It is not configured correctly to function as specified.

 

Correct Answer: D

QUESTION 122

Refer to the exhibits. What can be done to fix the problem?

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A.       Change router B E0/1 interface to area 0.

B.       Change router A interface E0/1 to area 0.0.0.2.

C.       Configure the E0/1 interfaces of router A and router B to be in area 0.

D.      Shut down the E0/1 interfaces in router A and router B as OSPF does not allow “back doors” between areas.

E.       Remove the E0/1 interfaces in router A and router B from the OSPF process. Use static routes to route data directly from router A to router B to avoid passing data through router C in area 0.

 

Correct Answer: C

 

 

QUESTION 123

Refer to the exhibit.

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Router B is performing bidirectional redistribution between EIGRP and OSPF. The network 10.100.1.0/24 should not be reachable from the 10.100.9.0/24 network. However, it needs to be reachable from any network within the EIGRP domain. All other networks should be seen in both domains. Which change to router B would accomplish these goals?

 

A.       Under the EIGRP process, insert the distribute-list block_net_1 out ospf 1 command.

B.       Under the OSPF process, insert the distribute-list block_net_1 in serial1/0 command.

C.       Under the EIGRP process, insert the distribute-list block_net_1 in serial1/0 command.

D.      Under the OSPF process, insert the distribute-list block_net_1 out eigrp 1 command.

 

Correct Answer: D

 

 

QUESTION 124

Refer to the exhibit. ROUTE.com is planning to implement a new secure OSPF network to support traffic between clients on the 172.16.10.0/24 network and the file server on the 172.16.20./24 network. You have been asked to review the implementation plan for the OSPF project. Which statement about the plan is true?

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A.       It is complete as written.

B.       It should include a task that shuts down all unused interfaces.

C.       It should include tasks that enable and verify OSPF authentication.

D.      It should include a task that establishes a file transfer baseline before and after the configuration is changed.

 

Correct Answer: C

 

 

QUESTION 125

Refer to the exhibit. ROUTE.com is planning to implement a secure OSPF network to support traffic between clients on the 172.16.10.0/24 network and the file server on the 172.16.20./24 network. You have been asked to review the implementation and verification plans for this OSPF project. Which statement about the plan is true?

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A.       It is complete as written.

B.       It should include a task that verifies that the interarea routes are using the proper MED.

C.       It should include a task that verifies that load sharing is active on R1 and R4.

D.      It should include a task that verifies that all redundant links will become active when the primary links are shut down.

 

Correct Answer: D

 

 

QUESTION 126

Refer to the exhibit. Which two Cisco IOS commands on R2 would verify its OSPF neighbor relationships? (Choose two.)

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A.  show ip ospf

B.  show ip ospf interface

C.  show ip ospf neighbor

D.  show ip ospf database

E.  show ip ospf statistics

F.  show running-config | begin router ospf

 

Correct Answer: BC

 

 

QUESTION 127

Which three statements about OSPF areas are true? (Choose three.)

 

A.       Areas introduce a boundary on the link-state updates.

B.       Areas are logical definitions specific to any given router.

C.       All routers within an area have the exact link-state database.

D.      The calculation of the Dijkstra algorithm on a router is limited to changes within an area.

E.       The area designated router will always have a priority of 0.

 

Correct Answer: ACD

 

 

QUESTION 128

Given the following partial configuration for Router A:

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Which two statements are correct? (Choose two.)

 

A.       DR/BDR elections do not take place.

B.       The area 0 NBMA cloud is configured as more than one subnet.

C.       The router is restricted to a hub and spoke topology.

D.      OSPF neighbor statements are not necessary.

 

Correct Answer: AD

 

 

QUESTION 129

Which command displays the number of times that the OSPF Shortest Path First (SPF) algorithm has been executed?

 

A.       show ip protocol

B.       show ip ospf

C.       show ip ospf database

D.      show ip ospf interface

 

Correct Answer: B

 

 

QUESTION 130

The Dev-1 and Dev-3 routers are OSPF neighbors over the Ethernet 0/0 connection. Based on the show ip ospf neighbor output from the Dev-1 and Dev-3 routers, which statement is true?

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A.       Dev-1 is the DR because it has a higher OSPF router priority.

B.       Dev-1 is the DR because it has a lower OSPF router ID.

C.       Dev-3 is the DR because it has a higher OSPF router priority.

D.      Dev-3 is the DR because it has a lower OSPF router ID.

E.       Both Dev-1 and Dev-3 are using the default OSPF router priority.

 

Correct Answer: A

 

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