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2021 Aug ccnp route 642-902:

Q41. 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?

Select the best response.


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.

Answer: D


Q42. When a route receives an LSA(within an LSU), it does not do which of the following?

Select the best response.

A. if the LSA entry does not already exist,the router adds the entry to its LSDB, sends back an LSAck, floods the information to other routes,runs SPF,and updates its routing table.

B. if the entry already exists and the received LSA has the same sequence number, the router overwrites the information in the LSDB with the new LSA entry.

C. if the entry already exists but the LSA includes newer information (it has a higher sequence number), the router adds the entry to its LSDB, sends back an LSAck, floods the information to other routers, runs SPF, and updates its routing table.

D. if the entry alteady exists but the LSA includes older information, it sends an LSU to the sender with its newer information.

Answer: B


Q43. A stub area is typically created using what kind of topology?

A. Broadcast

B. Point-to-point

C. Hub and spoke

D. Full Mesh

Answer: C


Q44. When an EIGRP topology change is detected, what is the correct order of events when there is a FS? Select the best response.

A. The neighbor adjacency is deleted. The feasible route is used. DUAL is notified. Remove all topology entries learned from that neighbor.

B. DUAL is notified. Remove all topology entries learned from that neighbor. The neighbor adjacency is deleted. Routes enter the Active state and the feasible route is used.

C. The neighbor adjacency is deleted. Routes enter the Active state and the feasible route is used.

DUAL is notified. Remove all topology entries learned from that neighbor.

D. DUAL is notified. The neighbor adjacency is deleted. Remove all topology entries learned from that neighbor. The feasible route is used.

Answer: D


Q45. Refer to the exhibit.


Which two statements are true? (Choose two.)

A. The eigrp stub command prevents queries from being sent from R2 to R1.

B. The eigrp stub command will automatically enable summarization of routes on R2.

C. The eigrp stub command prevents all routes except a default route from being advertised to R1.

D. Router R1 will advertise connected and summary routes only.

E. Router R1 will advertise connected and static routes. The sending of summary routes will not be permitted.

F. Router R1 is configured as a receive-only neighbor and will not send any connected, static or summary routes.

Answer: AD


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Q46. Which statement is true about OSPF Network LSAs? Select the best response.

A. They are originated by every router in the OPSF network. They include all routers on the link, interfaces, the cost of the link, and any known neighbor on the link.

B. They are originated by the DR on every multi-access network. They include all attached routers including the DR itself.

C. They are originated by Area Border Routers and are sent into a single area to advertise destinations outside that area.

D. They are originated by Area Border Router and are sent into a single area to advertise an Autonomous System Border Router.

Answer: B


Q47. RouterA#

~~~~~

!

router ospf 1

log-adjacency-changes

network 10.0.0.0 0.255.255.255 area 1

network 172.16.1.0 0.0.0.255 area 1

!

~~~~~

RouterB#

~~~~~

router ospf 1

log-adjacency-changes

network 10.0.0.0 0.255.255.255 area 2

network 172.16.2.0 0.0.0.255 area 2

!

~~~~~

RouterC#

~~~~~

!

router ospf 1

log-adjacency-changes

network 10.0.0.0 0.255.255.255 area 0

!

~~~~~

Refer to the exhibits. You are verifying your OSPF implementation, and it does not seem to be functioning properly. What can you conclude from the exhibit and the show running-configuration command output?

Select the best response.


A. The OSPF areas are not configured correctly.

B. The wildcard masks for the 10.x.x.x networks are incorrect.

C. The 172.16.x.x networks need to be connected to area 0 using virtual links.

D. The 172.16.x.x networks are discontiguous. OSPF is automatically summarizing them to 172.16.0.0/16 and data is being "black holed."

E. There is not enough information to make a determination.

Answer: A


Q48. Refer to the exhibit.


A partial routing configuration is shown. Complete the configuration so that only the default network is redistributed from EIGRP 190 into EIGRP 212. Which ACL statement completes the configuration correctly? Select the best response.

A. access-list 100 permit ip 0.0.0.0 0.0.0.0 0.0.0.0 0.0.0.0

B. access-list 100 permit ip host 0.0.0.0 any

C. access-list 100 permit ip any host 0.0.0.0

D. A default-network cannot be redistributed between routing processes.

Answer: C


Q49. What is a key benefit of using a GRE tunnel to provide connectivity between branch offices and headquarters? Select the best response.

A. authentication, integrity checking, and confidentiality

B. less overhead

C. dynamic routing over the tunnel

D. granular QoS support

E. open standard

F. scalability

Answer: C


Q50. What is the benefit of deploying IPv6 in a campus network using dual stack mode?

A. Dual Stack Mode takes advantage of IPv6 over IPv4 tunnel within a network.

B. IPv4 and IPv6 run alongside one another and have no dependency on each other to function

C. IPv4 and IPv6 share network resources.

D. IPv6 can depend on existing IPv4 routing, QoS, security, and multicast policies.

Answer: B