A company wants to add a new encryption method to their network without changing existing routing protocols. How does the layered model help achieve this?

hard📝 Application Q8 of 15

Computer Networks - OSI and TCP/IP Models

ARouting protocols automatically include encryption

BEncryption must be added to the network layer, changing routing protocols

CEncryption requires changing all layers simultaneously

DEncryption can be added at the presentation layer without affecting routing at the network layer

Step-by-Step Solution

Solution:

Step 1: Identify where encryption fits in layered models
Encryption is typically handled at higher layers like the presentation layer.
Step 2: Understand layer independence
Adding encryption at the presentation layer does not require changing routing at the network layer.
Final Answer:
Encryption can be added at the presentation layer without affecting routing at the network layer -> Option D
Quick Check:
Layer separation enables independent feature addition [OK]

Quick Trick: Add features at one layer without changing others [OK]

Common Mistakes:

MISTAKES

Assuming encryption must be in network layer
Believing all layers must change together

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More Computer Networks Quizzes

A company wants to add a new encryption method to their network without changing existing routing protocols. How does the layered model help achieve this?

Step 1: Identify where encryption fits in layered models

Step 2: Understand layer independence

Final Answer:

Quick Check:

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