Exam AWS Certified SysOps Administrator - Associate topic 1 question 82 discussion

Exam question from Amazon's AWS Certified SysOps Administrator - Associate

Question #: 82
Topic #: 1

[All AWS Certified SysOps Administrator - Associate Questions]

A company has two VPC networks named VPC A and VPC B. The VPC A CIDR block is 10.0.0.0/16 and the VPC B CIDR block is 172.31.0.0/16. The company wants to establish a VPC peering connection named pcx-12345 between both VPCs.
Which rules should appear in the route table of VPC A after configuration? (Choose two.)

A. Destination: 10.0.0.0/16, Target: Local
B. Destination: 172.31.0.0/16, Target: Local
C. Destination: 10.0.0.0/16, Target: pcx-12345
D. Destination: 172.31.0.0/16, Target: pcx-12345
E. Destination: 10.0.0.0/16, Target: 172.31.0.0/16

Show Suggested Answer

Suggested Answer: AD 🗳️

by kati2k22cz at Sept. 4, 2022, 4:06 a.m.

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kati2k22cz

Highly Voted 2 years, 10 months ago

Selected Answer: AD

Yes, A and D. lookthe table on this doc https://docs.aws.amazon.com/vpc/latest/peering/vpc-peering-routing.html

upvoted 10 times

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be9z

Most Recent 12 months ago

Local Route: Destination: VPC A CIDR (10.0.0.0/16) Target: Local (implicitly points to the VPC itself) Explanation: This route ensures that traffic within VPC A (between instances with IP addresses in the 10.0.0.0/16 range) stays local and doesn’t need to go through the peering connection. Route to Peer VPC B: Destination: VPC B CIDR (172.31.0.0/16) Target: VPC peering connection ID (pcx-12345) Explanation: This route directs traffic destined for VPC B (IP addresses in the 172.31.0.0/16 range) to the VPC peering connection, allowing communication between instances in VPC A and VPC B.

upvoted 3 times

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piavik

2 years, 2 months ago

Selected Answer: AD

While AD is correct, the question itself is not quite clear. Option A - routes already are there, they not "will appear" after configuring VPC peering

upvoted 2 times

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