AWS - VPC Fundamentals
Which of the following is the correct way to define a VPC CIDR block in AWS?
Which of the following is the correct way to define a VPC CIDR block in AWS?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Understand CIDR notation for VPC
A VPC CIDR block uses IP address range with subnet mask, like 10.0.0.0/16.Step 2: Identify invalid options
Options A and C are single IPs or subnet masks, not CIDR blocks; D is the default route, not a VPC range.Final Answer:
10.0.0.0/16 -> Option BQuick Check:
VPC CIDR = IP range with mask [OK]
Quick Trick: CIDR block looks like IP/mask format [OK]
Common Mistakes:
- Using single IP instead of range
- Confusing subnet mask with CIDR
- Using default route as CIDR
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