Physical Layer - Part 4 - MCQs with Answers

Physical Layer - Part 4 - MCQs with Answers

OSI Network Model

1. What is/are the major role/s of Data Link Layer (DLL) in an OSI model?

A. Detection & Correction of transmission errors
B. Provision of data flow control to prevent DTE from overburdening
C. Identification of various devices on the network
D. Generation of a frame for easy data transfer

a. A, B, C & D
b. Only C
c. Only D
d. None of the above

View Answer / Hide Answer

2. Which OSI layer allows the transmission and reception of data segments to a session layer in addition to the provision of flow control, sequence numbering and message acknowledgment?

a. Network Layer
b. Session Layer
c. Transport Layer
d. Application Layer

View Answer / Hide Answer

3. Which network component/s is/are involved in the Presentation layer of an OSI model?

a. Gateway
b. Multiplexer & Oscilloscope
c. Amplifier & Hub
d. All of the above

View Answer / Hide Answer

4. Which is the only layer of OSI layer that prevents itself from adding its own header to the data during the data transmission process?

a. Application layer
b. Network layer
c. Physical layer
d. None of the above

View Answer / Hide Answer

5. Which protocol/s is/are used in data link layer of an OSI model?

a. SMB
b. NCP
c. LLC
d. All of the above

View Answer / Hide Answer