642-902 Q&A – Implement a multi-area OSPF Network (6-10)

Section 2 – Implement a multi-area OSPF Network, given a network design and a set of requirements

QUESTION NO: 6
Which two statements about route redistribution when implementing OSPF are true? Select 2 response(s).
A. Routes learned using any IP routing protocol can only be redistributed into non IP routing protocols.
B. OSPF can import routes learned using EIGRP, RIP, and IS-IS.
C. OSPF routes cannot be exported into EIGRP, RIP, and IS-IS.
D. At the interdomain level, OSPF cannot import routes learned using BGP.
E. OSPF routes can be exported into BGP.
Answer: B,E

QUESTION NO: 7
Refer to the exhibit. A company would prefer all Internet-bound OSPF routed traffic to use ISP ABC with ISP DEF as a backup. As the network consultant, what three configuration changes might you make? Select 3 response(s).

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A. The default-information originate command should be configured on router B1 and B4.
B. The default-information originate command should be configured on router B2 and B3.
C. If the metric value for ISP ABC is set at the default, the ISP DEF metric value should be set to 1.
D. If the metric value for ISP ABC is set at the default, the ISP DEF metric value should be set to 25.
E. The metric type value should be set to type 1.
F. The metric type value should be set to type 2.
Answer: B,D,F

QUESTION NO: 8
Refer to the exhibit. Which statement is true about the configuration?

image
A. RTA will not establish an OSPF adjacency with RTB.
B. RTA will send OSPF hello packets, but will not send OSPF updates.
C. RTA will not accept OSPF hello packets from RTB.
D. RTA will send OSPF updates, but will not establish an adjacency with RTB.
Answer: A

QUESTION NO: 9
Refer to the exhibit. Examine the partial configuration and the routing table excerpt. Which routes would be redistributed into OSPF area 1? Select the best response.

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A. 10.10.10.16/28 only
B. 10.10.10.16/28 and 10.10.10.64/26
C. 10.10.10.16/28, 10.10.10.64/26, and 172.16.10.0/24
D. 10.10.10.64/26 only
Answer: D

QUESTION NO: 10
Refer to the exhibit. OSPF is configured on all routers in the network. Area 5 is configured as an NSSA areA. The RIPv2 routes are redistributed into the OSPF domain on router R5. What two types of LSAs will be originated by router R5? (Choose two.)

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A. type 1 Router LSA
B. type 2 Network LSA
C. type 3 Network Summary LSA
D. type 4 ASBR Summary LSA
E. type 5 AS External LSA
F. type 7 NSSA External LSA
Answer: A,F
Explanation:
The point of the question is the LSA types in different kinds of areas.
NSSA area has 4 kinds of LSA : 1, 2 , 3 ,7
There is no LSA3 because it is produced by ABR to advertise routing entries between OSPF areas. There is no LSA2 because there are serial interface but no fast Ethernet interface, no DR elected, no LSA2. LSA2 is produced by DR.

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