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Exam 300-410 topic 1 question 342 discussion

Actual exam question from Cisco's 300-410
Question #: 342
Topic #: 1
[All 300-410 Questions]



Refer to the exhibit. A network engineer is provisioning end-to-end traffic service for two different enterprise networks with these requirements:
• The OSPF process must differ between customers on HQ and Branch office routers, and adjacencies should come up instantly.
• The enterprise networks are connected with overtapping networks between HQ and a Branch office.

Which configuration meets the requirements for a customer site?

  • A. ISP(config-if)#int f1/0 -
    ISP(config-if)#ip vrf forwarding EA
    ISP(config-if)#description TO->EA2_Branch
    ISP(config-if)#ip add 172.16.200.2 255.255.255.0

    ISP(config-if)#no shut -
  • B. ISP(config-vrf)#int f0/0 -
    ISP(config-if)#ip vrf forwarding EB
    ISP(config-if)#description TO->EB1_Branch
    ISP(config-if)#ip add 172.16.100.2 255.255.255.0

    ISP(config-if)#no shut -
  • C. ISP(config)#int f2/0 -
    ISP(config-if)#ip vrf forwarding EA
    ISP(config-if)#description TO->EA1_HQ
    ISP(config-if)#ip address 172.16.100.2 255.255.255.0

    ISP(config-if)#no shut -
  • D. ISP(config-if)#int f3/0 -
    ISP(config-if)#ip vrf forwarding EA
    ISP(config-if)#description TO->EA2_Branch
    ISP(config-if)#ip address 172.16.200.2 255.255.255.0
    ISP(config-if)#no shut
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️

Comments

Chosen Answer:
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[Removed]
10 months ago
Selected Answer: A
A is correct as the ospf commands in the topology says: Roters A1 & A2 are in VRF EA Roters B1 & B2 are in VRF EB A is the only one which match the correct interface with the correct VRF
upvoted 4 times
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inteldarvid
1 year, 10 months ago
Selected Answer: A
A correct
upvoted 1 times
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Almylle
1 year, 10 months ago
Selected Answer: A
A is correct, the other alternatives all have the worng ip vrf forwarding for the interfaces.
upvoted 4 times
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6dd4aa0
2 years, 1 month ago
A is correct. Took me a long while to figure out. The hint is at the OSPF commands. Followed by, the figure where it shows the two OSPF regions must tally with VRF. VRF EA points to OSPF 100 and VRF EB points to OSPF 200. Int FA0/0 and Int FA1/0 points to VRF EA, based on the OSPF 100. Int FA2/0 and Int FA3/0 points to VRF EB, based on the OSPF 200.
upvoted 4 times
d740f62
1 year, 1 month ago
Awesome
upvoted 1 times
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ellen_AA
2 years, 4 months ago
All ISP interfaces point to the wrong VRF, except A
upvoted 3 times
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DUBC89x
2 years, 5 months ago
I think this is not the complete picture.
upvoted 1 times
[Removed]
2 years, 5 months ago
The answer appears to be correct. Look at the rest of the interface assignments compared to the VRF they are in. A is the only one that matches interface to the proper VRF.
upvoted 2 times
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A (35%)
C (25%)
B (20%)
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