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Exam ANS-C00 topic 1 question 179 discussion

Exam question from Amazon's ANS-C00
Question #: 179
Topic #: 1
[All ANS-C00 Questions]

You have two VPCs that you've peered. You created a route for VPC A to get to an instance in VPC. You are unable to ping the instance. You have double checked your security groups and NACLs.
Why might this be?

  • A. You forgot to add a return route.
  • B. ICMP is not supported over peering connections.
  • C. You have to enable Source/Destination check in the VPCs.
  • D. You have to configure the peering connection to allow two way traffic.
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️
Every route needs a return route for ICMP traffic.
by Kentik at Nov. 20, 2020, 8:36 p.m.
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ChauPhan
Highly Voted 3 years, 7 months ago
A. You forgot to add a return route. Routes need to be added in both VPCs, one route to and one route back.
upvoted 7 times
...
Marty2021
Most Recent 2 years, 11 months ago
Selected Answer: A
A - common mistake when setting up any routing to remote host/network
upvoted 1 times
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sapien45
3 years, 3 months ago
Every route needs a return route. Period
upvoted 1 times
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Scunningham99
3 years, 7 months ago
A A A A
upvoted 3 times
...
Kentik
3 years, 8 months ago
yeap is A
upvoted 2 times
...
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C (25%)
B (20%)
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