Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Library Science Information Technology Telecommunication & Wireless Communication
Which of the following is the functions of Data Link Layer (Layer 2)
(A). Framing
(B). Physical Addressing
(C). Error Detection and Correction
(D). Flow and Access Control
1
All of these
2
A, B and C
3
B, C and D
4
A, C and D