Data and Digital Communications

Test your knowledge of data and digital communication, including computer networks, digital signals, digital transmission, data communications, among others, with this online multiple choice quiz. See how well you understand the basics of data and digital communications. . Challenge yourself to get the highest score. Twenty (20) MCQ questions from our test bank will be randomly shown for every attempt. Passing mark for this test is 70%.

Objectives: To provide readers with a comprehensive multiple choice quiz on data and digital communication

Welcome to your Data and Digital Communications

The data link layer takes the packet it gets from the network layer and encapsulates them into ___________

An example for dynamic routing algorithm is _______.

The analysis which helps in checking whether the protocol is correct is _________

The error introduced by the finite number of bits per sample is called the _______ noise

Which of the following layer protocols are responsible for user and the application programme support such as passwords, resource sharing etc?

collection of interconnected networks is called as __________

A station in a network forwards incoming packet,s by placing them on its shortest output queue. What routing algorithm is being used?

A medium access control technique for multiple access transmission media is ______

Which of the following condition is used to transmit two packets over a medium at the same time?

The application layer of a network ________

The signal to noise ratio for a voice grade line 30.1 dB (decibles) or a power ratio of 1023:1. The maximum achievable data rate on this line whose spectrum ranges from 300 Hz to 4300 Hz is ________

The ______ portion of LAN management software restricts access, records user activities and audit data etc.

A modem that is attached to the telephone system by jamming the phone,s handset into two flexible receptacles in the coupler

Protocols in which the sender sends one frame and then waits for an acknowledgement before proceeding are called __________

Which layer of OSI determines the interface of the system with the user?

The probability that a single bit will be in error on a typical public telephone line using 4800 bps modem is 10 to the power -3. If no error detection mechanism is used, the residual error rate for a communication line using 9- bit frames is approximately equal to __________

________ layer decides which physical path the data should take.

If a computer on the network shares resources for others to use, it is called _____

A network that requires human intervention of route signals is called a ______

What is the maximum data capacity of STP?