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Which IP address is used inside an EC2 instance to access instance metadata?

easy📝 Syntax Q12 of 15
AWS - EC2 Fundamentals
Which IP address is used inside an EC2 instance to access instance metadata?
A127.0.0.1
B169.254.169.254
C192.168.0.1
D10.0.0.1
Step-by-Step Solution
Solution:

  1. Step 1: Recall the special metadata IP

    A fixed IP address 169.254.169.254 is reserved for instance metadata access inside EC2 instances.

  2. Step 2: Exclude other common IPs

    127.0.0.1 is localhost, 192.168.0.1 and 10.0.0.1 are private network IPs but not for metadata.

  3. Final Answer:

    169.254.169.254 -> Option B

  4. Quick Check:

    Metadata IP = 169.254.169.254 [OK]
Quick Trick: Metadata IP always starts with 169.254 [OK]
Common Mistakes:
  • Using localhost IP 127.0.0.1
  • Confusing with private network IPs
  • Trying public IP addresses

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