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What is the primary method to securely connect to an AWS EC2 Linux instance?

easy📝 Conceptual Q11 of 15
AWS - EC2 Fundamentals
What is the primary method to securely connect to an AWS EC2 Linux instance?
AUsing FTP with username and password
BUsing HTTP protocol
CUsing SSH with a private key file
DUsing RDP without any credentials
Step-by-Step Solution
Solution:

  1. Step 1: Understand connection protocols for EC2 Linux

    Linux EC2 instances use SSH (Secure Shell) for secure remote access.

  2. Step 2: Identify the authentication method

    SSH requires a private key file (.pem) to authenticate securely without passwords.

  3. Final Answer:

    Using SSH with a private key file -> Option C

  4. Quick Check:

    SSH + private key = secure EC2 Linux access [OK]
Quick Trick: SSH with private key is standard for Linux EC2 [OK]
Common Mistakes:
  • Trying to use HTTP or FTP for EC2 Linux connection
  • Using RDP which is for Windows instances
  • Connecting without a private key

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