Ensurepass

 

 

1.       QUESTION

Refer to the exhibit:

clip_image002

Which two statements are true about the loopback address that is configured on RouterB? (Choose two.)

A.  It ensures that data will be forwarded by RouterB.

B.  It provides stability for the OSPF process on RouterB.

C.  It specifies that the router ID for RouterB should be 10.0.0.1.

D.  It decreases the metric for routes that are advertised from RouterB.

E.  It indicates that RouterB should be elected the DR for the LAN.

 

Answer: BC

 

 

2.       QUESTION

OSPF routing uses the concept of areas. What are the characteristics of OSPF areas? (Choose three.)

 

A.  Each OSPF area requires a loopback interface to be configured.

B.  Areas may be assigned any number from 0 to 65535.

C.  Area 0 is called the backbone area.

D.  Hierarchical OSPF networks do not require multiple areas.

E.  Multiple OSPF areas must connect to area 0.

F.  Single area OSPF networks must be configured in area 1.

 

Answer: BCE

 

 

3.       QUESTION

What information does a router running a link-state protocol use to build and maintain its topological database? (Choose two.)

 

A.     hello packets

B.     SAP messages sent by other routers

C.     LSAs from other routers

D.     beacons received on point-to-point links

E.      routing tables received from other link-state routers

F.      TTL packets from designated routers

 

Answer: AC

 

 

4.       QUESTION

Which statements describe the routing protocol OSPF? (Choose three.)

 

A.     It supports VLSM.

B.     It is used to route between autonomous systems.

C.     It confines network instability to one area of the network.

D.     It increases routing overhead on the network.

E.      It allows extensive control of routing updates.

F.      It is simpler to configure than RIPv2.

 

Answer: ACE

 

 

5.       QUESTION

The internetwork infrastructure of company XYZ consists of a single OSPF area as shown in the graphic. There is concern that a lack of router resources is impeding internetwork performance. As part of examining the router resources, the OSPF DRs need to be known. All the router OSPF priorities are at the default and the router IDs are shown with each router. Which routers are likely to have been elected as DR? (Choose two.)

 

clip_image003

 

A.       Corp-1

B.       Corp-2

C.       Corp-3

D.       Corp-4

E.        Branch-1

F.        Branch-2

 

Answer: DF

 

 

6.       QUESTION

Refer to the graphic:

clip_image004

R1 is unable to establish an OSPF neighbor relationship with R3. What are possible reasons for this problem? (Choose two.)

 

A.  Configure EIGRP on these routers with a lower administrative distance

B.  All routers should be configured for backbone Area 1

C.  The hello and dead interval timers are not set to the same values on R1 and R3.

D.  R1 and R3 are configured in different areas.

 

Answer: CD

 

 

7.       QUESTION

Which statements are true about EIGRP successor routes? (Choose two.)

 

A.     A successor route is used by EIGRP to forward traffic to a destination.

B.     Successor routes are saved in the topology table to be used if the primary route fails.

C.     Successor routes are flagged as “active” in the routing table.

D.     A successor route may be backed up by a feasible successor route.

E.      Successor routes are stored in the neighbor table following the discovery process.

 

Answer: AD

 

 

8.       QUESTION

Refer to the exhibit. A network associate has configured OSPF with the command:

 

City(config-router)# network 192.168.12.64 0.0.0.63 area 0

 

After completing the configuration, the associate discovers that not all the interfaces are participating in OSPF. Which three of the interfaces shown in the exhibit will participate in OSPF according to this configuration statement? (Choose three.)

 

clip_image005

 

A.  FastEthernet0 /0

B.  FastEthernet0 /1

C.  Serial0/0

D.  Serial0/1.102

E.  Serial0/1.103

F.  Serial0/1.104

 

Answer: BCD

 

 

9.       QUESTION

Refer to the exhibit:

clip_image006

Assume that all of the router interfaces are operational and configured correctly. How will router R2 be affected by the configuration of R1 that is shown in the exhibit?

 

A.  Router R2 will not form a neighbor relationship with R1.

B.  Router R2 will obtain a full routing table, including a default route, from R1.

C.  R2 will obtain OSPF updates from R1, but will not obtain a default route from R1.

D.  R2 will not have a route for the directly connected serial network, but all other directly connected networks will be present, as well as the two networks connected to R1.

 

Answer: B

 

 

 

10.   QUESTION

Refer to the exhibit:

clip_image007

From Router A, a network administrator is able to ping the serial interface of Router B but unable to ping any of the subnets attached to Router B. Based on the partial outputs in the exhibit, what could be the problem?

 

A.  EIGRP does not support VLSM.

B.  The EIGRP network statements are incorrectly configured.

C.  The IP addressing on the serial interface of Router A is incorrect.

D.  The routing protocol has summarized on the classful boundary.

E.  EIGRP has been configured with an invalid autonomous system number.

 

Answer: D

 

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