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Question 214 - ANS-C00 discussion

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A company recently migrated its Amazon EC2 instances to VPC private subnets to satisfy a security compliance requirement. The EC2 instances now use a NAT gateway for internet access. After the migration, some long-running database queries from private EC2 instances to a publicly accessible third-party database no longer receive responses. The database query logs reveal that the queries successfully completed after 7 minutes but that the client EC2 instances never received the response.

Which configuration change should a network engineer implement to resolve this issue?

A.
Configure the NAT gateway timeout to allow connections for up to 600 seconds
Answers
A.
Configure the NAT gateway timeout to allow connections for up to 600 seconds
B.
Enable enhanced networking on the client EC2 instances
Answers
B.
Enable enhanced networking on the client EC2 instances
C.
Enable TCP keepalive on the client EC2 instances with a value of less than 300 seconds
Answers
C.
Enable TCP keepalive on the client EC2 instances with a value of less than 300 seconds
D.
Close idle TCP connections though the NAT gateway
Answers
D.
Close idle TCP connections though the NAT gateway
Suggested answer: C
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asked 16/09/2024
Meghan Crofford
39 questions
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