Computer Networks - IP Addressing
Why are Classful IP addressing schemes considered inefficient in modern networks?
Why are Classful IP addressing schemes considered inefficient in modern networks?
hard📝 Conceptual Q10 of 15
Step-by-Step Solution
Solution:
Step 1: Understand classful addressing limitations
Classful addressing uses fixed subnet sizes which often do not match actual network size needs.Step 2: Identify inefficiency reason
This leads to wasted IP addresses because networks may be too large or too small for the assigned class.Final Answer:
They waste IP addresses due to fixed subnet sizes -> Option AQuick Check:
Fixed subnet sizes cause inefficiency [OK]
Quick Trick: Fixed subnet sizes cause IP waste in classful addressing [OK]
Common Mistakes:
MISTAKES- Thinking classful disallows subnetting
- Believing classful uses variable masks
- Assuming too many hosts is the problem
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