Physical Layer - Part 4 - MCQs with Answers
Physical Layer - Part 4 - MCQs with AnswersOSI Network Model1. 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 aboveView 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 LayerView Answer / Hide Answer
3. Which network component/s is/are involved in the Presentation layer of an OSI model?
ANSWER: c. Transport Layer
b. Multiplexer & Oscilloscope
c. Amplifier & Hub
d. All of the above View Answer / Hide Answer4. 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 aboveView Answer / Hide Answer
5. Which protocol/s is/are used in data link layer of an OSI model?
ANSWER: c. Physical layer
d. All of the aboveView Answer / Hide Answer