Computer Networks - IP Addressing
Given the IP address
150.25.10.5, what is its network class and default subnet mask?Given the IP address 150.25.10.5, what is its network class and default subnet mask?
medium📝 Analysis Q4 of 15
Step-by-Step Solution
Solution:
Step 1: Determine the class from the first octet
The first octet is 150, which falls between 128 and 191, so it is Class B.Step 2: Recall the default subnet mask for Class B
Class B default subnet mask is 255.255.0.0.Final Answer:
Class B, 255.255.0.0 -> Option AQuick Check:
150 in 128-191 = Class B [OK]
Quick Trick: 150 is in Class B range 128-191 [OK]
Common Mistakes:
MISTAKES- Mistaking 150 as Class A
- Choosing Class C mask for 150
- Confusing Class D with Class B
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