Question:
The set of functions of Data Link Layer are
The set of functions of Data Link Layer are
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Data Link Layer = Framing + Flow Control + Error Control
Updated On: Jun 25, 2026
- Framing, Error Control, Flow Control
- Framing, Routing, Tunnelling
- Framing, Error Control, Tunnelling
- Error Control, Flow Control, Congestion Control
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The Correct Option is A
Solution and Explanation
Concept:
The Data Link Layer is the second layer of the OSI model.
It provides reliable node-to-node communication.
Step 1: Functions of Data Link Layer.
Major functions include:
• Framing
• Error Detection and Error Control
• Flow Control
• Physical Addressing
• Access Control
Step 2: Analyze the options.
Routing belongs to the Network Layer. Tunnelling is not a Data Link Layer function. Congestion Control is mainly handled at higher layers.
Step 3: Select the correct answer.
Thus the correct set is \[ \boxed{\text{Framing, Error Control, Flow Control}} \]
Step 1: Functions of Data Link Layer.
Major functions include:
• Framing
• Error Detection and Error Control
• Flow Control
• Physical Addressing
• Access Control
Step 2: Analyze the options.
Routing belongs to the Network Layer. Tunnelling is not a Data Link Layer function. Congestion Control is mainly handled at higher layers.
Step 3: Select the correct answer.
Thus the correct set is \[ \boxed{\text{Framing, Error Control, Flow Control}} \]
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