UGC NET CSE | December 2012 | Part 2 | Question: 17

Question

The design issue of Datalink layer in OSI Reference Model is

• A. Framing
• B. Representation of bits
• C. Synchronization of bits
• D. Connection control

Answer 1

Ans is (A)

(B) and (C) are related to Physical Layer.

(D) is related to Transport Layer.

Answer 2

1. Framing is done at data link layer whereas fragmentation is done at Network layer and segmentation is done at transport layer.

Comments

fragmentation is done at  transport layer na   once seee this   https://gateoverflow.in/60722/ugcnet-dec2013-iii-45

---

what is the difference between fragmentation and segmentation

---

Fragmentation is done by router. It belongs to network layer..

Segmentation is done at Transport layer, as here, the data unit is segment.