Computer Networks - Physical and Data Link Layer
A data frame uses odd parity but the received bits have an even number of 1s. What is the likely issue?
A data frame uses odd parity but the received bits have an even number of 1s. What is the likely issue?
medium📝 Analysis Q6 of 15
Step-by-Step Solution
Solution:
Step 1: Understand odd parity rule
Odd parity means total number of 1s including parity bit should be odd.Step 2: Analyze received bits
Received bits have even number of 1s, which violates odd parity rule, indicating an error.Final Answer:
Error detected in transmission -> Option DQuick Check:
Odd parity violated = error detected [OK]
Quick Trick: Odd parity means total 1s must be odd [OK]
Common Mistakes:
MISTAKES- Assuming no error if parity fails
- Confusing parity bit absence with error
- Mixing parity error with checksum error
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