[Solved] Why does the OSI model use different names for PDUs at each layer instead of a single term? — Ans: Because each layer adds or processes different headers and data formats | Computer Networks

Computer Networks - OSI and TCP/IP Models

Why does the OSI model use different names for PDUs at each layer instead of a single term?

ABecause only the Physical layer actually transmits data

BTo confuse learners and make networking complex

CBecause each layer adds or processes different headers and data formats

DBecause all layers use the same PDU but with different names

Step-by-Step Solution

Solution:

Step 1: Understand layering purpose
Each OSI layer adds its own header or trailer to data, changing its format.
Step 2: Explain naming rationale
Different PDU names reflect these changes and processing at each layer.
Final Answer:
Because each layer adds or processes different headers and data formats -> Option C
Quick Check:
Different PDUs show layer-specific processing [OK]

Quick Trick: Different PDUs reflect unique layer processing [OK]

Common Mistakes:

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