[Solved] Why does the Ethernet protocol use a preamble in its frame structure? — Ans: To synchronize the receiver's clock with the sender | Computer Networks

Computer Networks - Physical and Data Link Layer

Why does the Ethernet protocol use a preamble in its frame structure?

ATo identify the type of data being sent

BTo encrypt the data for security

CTo synchronize the receiver's clock with the sender

DTo indicate the end of the frame

Step-by-Step Solution

Solution:

Step 1: Understand the purpose of the Ethernet preamble
The preamble is a sequence of bits used to prepare the receiver for incoming data.
Step 2: Role of preamble in synchronization
It helps synchronize the receiver's clock timing with the sender's signal.
Final Answer:
To synchronize the receiver's clock with the sender -> Option C
Quick Check:
Preamble synchronizes clocks in Ethernet frames [OK]

Quick Trick: Preamble syncs clocks before data transmission [OK]

Common Mistakes:

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Why does the Ethernet protocol use a preamble in its frame structure?