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
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
A
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So the D’s “The access key to connect to the instance is wrong” – the access key is not the Private Key pair.
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Access Keys are used when users need to make programmatic calls to AWS from the AWS Command Line Interface (AWS CLI), Tools for Windows PowerShell, the AWS SDKs, or direct HTTP calls using the APIs for individual AWS services.
They are not used to connect to an EC2 instance using SSH.
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A
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