Which of the below mentioned options is a possible reason for rejection?

A user is trying to connect to a running EC2 instance using SSH.

However, the user gets a Host key not found error.

Which of the below mentioned options is a possible reason for rejection?
A . The user has provided the wrong user name for the OS login
B . The instance CPU is heavily loaded
C . The security group is not configured properly
D . The access key to connect to the instance is wrong

Answer: A

Explanation:

If the user is trying to connect to a Linux EC2 instance and receives the Host Key not found error the probable reasons are:

The private key pair is not right The user name to login is wrong

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