©Themoon EXAM SOLUTIONS
27/11/2024 11:35AM
Networking Chapter 4 Exam Questions and
Answers
As part of the five-layer network model used in this textbook, the data link layer sits directly
between:
a. the physical and the application layers
b. the network and the application layers
c. the network and transport layers
d. the physical and the application layers
e. the physical and the network layers - Answers✓✓the physical and the network layers
Which of the following is true with respect to the data link layer?
a. It accepts streams of bits from the application layer.
b. It is responsible for encoding the bit-stream as a series of electronic voltages.
c. It performs error detection.
d. It performs routing functions.
e. It organizes data from the physical layer and passes these coherent messages directly to the
application layer. - Answers✓✓It performs error detection.
___________ is not a function of a data link protocol.
a. Media access control
b. Message delineation
c. Amplitude shift keying
d. Indicating when a message starts and stops
, ©Themoon EXAM SOLUTIONS
27/11/2024 11:35AM
e. Error control - Answers✓✓Amplitude shift keying
Media access control:
a. is not very important in point-to-point with full duplex configuration
b. is not very important in local area networks
c. is not very important in a point-to-point with a half duplex configuration
d. is not very important in a multipoint configuration
e. does not control when computers transmit - Answers✓✓is not very important in point-to-
point with full duplex configuration
Which of the following is not a controlled access method of media access control?
a. Token passing
b. CSMA/CD
c. polling
d. roll call polling
e. hub polling - Answers✓✓CSMA/CD
________ is the process of sending a signal to a client that gives its permission to transmit or
asks it to receive.
a. Contention
b. Polling
c. Pooling
d. Carrier sense
e. CRC - Answers✓✓Polling
27/11/2024 11:35AM
Networking Chapter 4 Exam Questions and
Answers
As part of the five-layer network model used in this textbook, the data link layer sits directly
between:
a. the physical and the application layers
b. the network and the application layers
c. the network and transport layers
d. the physical and the application layers
e. the physical and the network layers - Answers✓✓the physical and the network layers
Which of the following is true with respect to the data link layer?
a. It accepts streams of bits from the application layer.
b. It is responsible for encoding the bit-stream as a series of electronic voltages.
c. It performs error detection.
d. It performs routing functions.
e. It organizes data from the physical layer and passes these coherent messages directly to the
application layer. - Answers✓✓It performs error detection.
___________ is not a function of a data link protocol.
a. Media access control
b. Message delineation
c. Amplitude shift keying
d. Indicating when a message starts and stops
, ©Themoon EXAM SOLUTIONS
27/11/2024 11:35AM
e. Error control - Answers✓✓Amplitude shift keying
Media access control:
a. is not very important in point-to-point with full duplex configuration
b. is not very important in local area networks
c. is not very important in a point-to-point with a half duplex configuration
d. is not very important in a multipoint configuration
e. does not control when computers transmit - Answers✓✓is not very important in point-to-
point with full duplex configuration
Which of the following is not a controlled access method of media access control?
a. Token passing
b. CSMA/CD
c. polling
d. roll call polling
e. hub polling - Answers✓✓CSMA/CD
________ is the process of sending a signal to a client that gives its permission to transmit or
asks it to receive.
a. Contention
b. Polling
c. Pooling
d. Carrier sense
e. CRC - Answers✓✓Polling
