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Why is the order of encapsulation and decapsulation critical in network communication?

hard📝 Conceptual Q10 of 15
Computer Networks - OSI and TCP/IP Models
Why is the order of encapsulation and decapsulation critical in network communication?
ABecause data encryption depends on header order
BBecause headers contain routing and control information needed in sequence
CBecause compression algorithms require specific header placement
DBecause headers increase packet size uniformly
Step-by-Step Solution
Solution:
  1. Step 1: Understand header purpose

    Headers provide routing, addressing, and control information essential for correct delivery.
  2. Step 2: Explain importance of order

    The sequence ensures each layer processes its header correctly; wrong order breaks communication.
  3. Final Answer:

    Because headers contain routing and control information needed in sequence -> Option B
  4. Quick Check:

    Header order ensures proper routing and control [OK]
Quick Trick: Header order ensures correct routing and control [OK]
Common Mistakes:
MISTAKES
  • Confusing encryption with header order
  • Thinking compression depends on headers
  • Assuming headers only affect size

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