Exam ANS-C00 topic 1 question 296 discussion

Exam question from Amazon's ANS-C00

Question #: 296
Topic #: 1

You are managing a VPC with 4 AZs. There is a load balancer managing the public accessibility to your servers. You have a secondary ENI with a private IPv4 address on an instance that is serving public web traffic. Your server communicates over private addresses to a database in another subnet. Security is a major concern for your company and whitelisting is in effect.
You have to bring the web server down for maintenance, what two things should you do? (Choose two.)

A. Reboot the instance.
B. Move the ENI from one server to the other.
C. Associate the new ENI with the database security group.
D. Configure a secondary ENI on the standby instance.

Show Suggested Answer

Suggested Answer: CD 🗳️
You must configure a secondary ENI on the standby instance with an IP address that can access the data subnet. This may require modification of the security group for the database.

by eeghai7thioyaiR4 at March 17, 2021, 2:04 p.m.

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eeghai7thioyaiR4

Highly Voted 3 years, 7 months ago

Probably C and D While you can move an ENI between servers, it only works inside an AZ As you have multiple AZ, the standby server probably lives in another zone, so B is not possible

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kpr2022

Most Recent 3 years, 2 months ago

Question starts with multi-AZ however it is said as load balancer, so it can be classic load balancer and not ALB. Those ec2 instance could very well be with ELB in a single AZ. Hence A& B could be correct answer. If it is an ALB then C & D. However, db is in another network and what if that another network is on-prem then SG is irrelevant.

upvoted 1 times

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Huy

3 years, 7 months ago

Agree: C&D

upvoted 1 times

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JamesTR

3 years, 7 months ago

Is load balancer is a distractor ?

upvoted 1 times

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