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Which of the following is a valid private IP address format?

easy📝 Factual Q3 of 15
Computer Networks - IP Addressing
Which of the following is a valid private IP address format?
A203.0.113.5
B172.16.0.1
C192.0.2.1
D8.8.8.8
Step-by-Step Solution
Solution:

  1. Step 1: Identify private IP address ranges

    Private IP ranges include 10.0.0.0-10.255.255.255, 172.16.0.0-172.31.255.255, and 192.168.0.0-192.168.255.255.

  2. Step 2: Check each option

    172.16.0.1 falls within the private IP range 172.16.0.0-172.31.255.255; others are public or reserved.

  3. Final Answer:

    172.16.0.1 -> Option B

  4. Quick Check:

    172.16.x.x is private IP range [OK]
Quick Trick: 172.16 to 172.31 is private IP range [OK]
Common Mistakes:
MISTAKES
  • Choosing public IPs as private
  • Not knowing private IP ranges
  • Confusing reserved IPs with private

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