AWS Certified SysOps Administrator SOA-C01 – Question127

A user is trying to connect to a running EC2 instance using SSH. However, the user gets a connection time out error. Which of the below mentioned options is not a possible reason for rejection?

A. The access key to connect to the instance is wrong
B. The security group is not configured properly
C. The private key used to launch the instance is not correct
D. The instance CPU is heavily loaded

Correct Answer: A

Explanation:

Explanation: If the user is trying to connect to a Linux EC2 instance and receives the connection time out error the probable reasons are:
Security group is not configured with the SSH port The private key pair is not right The user name to login is wrong The instance CPU is heavily loaded, so it does not allow more connections