AWS - EC2 Fundamentals
Which of the following SSH commands correctly connects to an EC2 instance at IP 192.0.2.10 using the private key
mykey.pem and username ec2-user?Which of the following SSH commands correctly connects to an EC2 instance at IP 192.0.2.10 using the private key mykey.pem and username ec2-user?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Understand SSH command syntax
The '-i' option specifies the identity file (private key) before the user@host.Step 2: Validate each option
ssh -i mykey.pem ec2-user@192.0.2.10 uses correct syntax:ssh -i mykey.pem ec2-user@192.0.2.10.Step 3: Identify incorrect options
ssh ec2-user@192.0.2.10 -i mykey.pem places '-i' after user@host which is invalid; C and D use wrong flags.Final Answer:
ssh -i mykey.pem ec2-user@192.0.2.10 -> Option BQuick Check:
Correct SSH syntax places '-i' before user@host [OK]
Quick Trick: Use '-i' before user@host in SSH command [OK]
Common Mistakes:
- Placing '-i' after the username and IP
- Using incorrect flags like '-key' or '-p' for key files
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