642-902 Q&A – Implement a multi-area OSPF Network (36-40)

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

QUESTION NO: 36
A network administrator has enabled OSPF across an NBMA network and has issued the command ip ospf network nonbroadcast. Given those facts, which two statements are true? (Choose two.)
A. Interfaces will automatically detect and build adjacencies with neighbor routers.
B. DR and BDR elections will not occur.
C. DR and BDR elections will occur.
D. The neighbor command is required to build adjacencies.
E. All routers must be configured in a fully meshed topology with all other routers.
Answer: C,D

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642-902 Q&A – Implement a multi-area OSPF Network (31-35)

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

QUESTION NO: 31
You are troubleshooting an OSPF problem where external routes are not showing up in the OSPF database. Which two options are valid checks that should be performed first to verify proper OSPF operation? (Choose two.)
A. Are the ASBRs trying to redistribute the external routes into a totally stubby area?
B. Are the ABRs configured with stubby areas?
C. Is the subnets keyword being used with the redistribution command?
D. Is backbone area (area 0) contiguous?
E. Is the CPU utilization of the routers high?
Answer: AC

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642-902 Q&A – Implement a multi-area OSPF Network (16-20)

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

QUESTION NO: 16
OSPF is enabled on router A. You execute the following command on router A and receive the accompanying output:

RouterA#ping 224.0.0.5 repeat 1
Type escape sequence to abort.
Sending 1, 100-byte ICMP Echos to 224.0.0.5, timeout is 2 seconds:
Reply to request 0 from 10.100.100.1, 4 ms

10.100.100.1 is the IP address of a loopback interface on router A.

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642-902 Q&A – Implement a multi-area OSPF Network (11-15)

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

QUESTION NO: 11
Given the following partial configuration for Router A:

interface serial 0
ip address 10.1.1.1 255.255.255.0
ip ospf network point-to-multipoint
router ospf 7
network 10.1.1.0 0.0.0.255 area 0

Which two statements are correct? (Choose two.)

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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

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642-902 Q&A – Implement a multi-area OSPF Network (1-5)

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

QUESTION NO: 1
Refer to the exhibit. A network administrator wants to reduce the number of OSPF routes advertised from Area 1 into Area 2. As the router configuration specialist, what two things would you do to accomplish this goal? (Choose two.)

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642-902 Q&A Index (Section1 – Implement an EIGRP based solution)

Section1 – Implement an EIGRP based solution, given a network design and a set of requirements

• Determine network resources needed for implementing EIGRP on a network
• Create an EIGRP implementation plan
• Create an EIGRP verification plan
• Configure EIGRP routing
• Verify EIGRP solution was implemented properly using show and debug commands
• Document results of EIGRP implementation and verification

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642-902 Q&A – Implement an EIGRP based solution (66-68)

Section1 – Implement an EIGRP based solution, given a network design and a set of requirements

QUESTION NO: 66
You have implemented mutual route redistribution between OSPF and EIGRP on a border router.
When checking the routing table on one of the OSPF routers within the OSPF routing domain, you are seeing some, but not all of the expected routes. Which two things should you verify to troubleshoot this problem? Select 2 response(s).

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