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You want to connect to a Windows EC2 instance using Remote Desktop Protocol (RDP). Which of the following must be true?

hard📝 Application Q8 of 15
AWS - EC2 Fundamentals
You want to connect to a Windows EC2 instance using Remote Desktop Protocol (RDP). Which of the following must be true?
AThe instance has a public IP disabled
BThe instance uses an SSH key pair
CThe security group allows inbound TCP port 3389
DYou connect using the username 'ubuntu'
Step-by-Step Solution
Solution:

  1. Step 1: Identify protocol and port for Windows EC2 connection

    Windows EC2 instances use RDP, which requires TCP port 3389 open.

  2. Step 2: Confirm security group settings

    The security group must allow inbound traffic on port 3389 for RDP access.

  3. Final Answer:

    The security group allows inbound TCP port 3389 -> Option C

  4. Quick Check:

    RDP needs port 3389 open in security group [OK]
Quick Trick: Open port 3389 for Windows RDP access [OK]
Common Mistakes:
  • Assuming SSH key needed for Windows
  • Using Linux username 'ubuntu'
  • Connecting without public IP

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