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Question 321 - ANS-C00 discussion

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You wish to host a mailserver on an EC2 instance. What two steps must you take to ensure utmost reliability?

A.
Create an EIP for the instance.
Answers
A.
Create an EIP for the instance.
B.
Configure the mail service to serve as an open relay.
Answers
B.
Configure the mail service to serve as an open relay.
C.
Contact AWS to have a Reverse DNS record configured and to help keep your domain from SPAM blacklists.
Answers
C.
Contact AWS to have a Reverse DNS record configured and to help keep your domain from SPAM blacklists.
D.
Provide open security group access to your instance on ports 25, 3389 and 22.
Answers
D.
Provide open security group access to your instance on ports 25, 3389 and 22.
Suggested answer: A, C

Explanation:

Explanation:

Using an open relay is bad. Your security group does not require 3389 or 22 to be open.

asked 16/09/2024
Muhammad Imran
41 questions
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