Data and Digital Communications

Welcome to  Data and Digital Communications. The quiz will randomly run 20 questions from Data and Digital Communications which you have to answer in 10 minutes.

After 10 minutes, your quiz will automatically be submitted and scored.

You can retake the quiz as many times as you want and a different set of questions will be given. The answers will also be randomly arrange.

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

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

The number of oscillations per second of a wave is called its ______

Protocols in which the sender waits for a positive acknowledgement before advancing to the next data item are often called ___________

The number of bit positions in which the code words differ is called _______

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

When a packet with the code is transmitted, it is received and processed by every machine on the network. This mode of operation is called

In ______ topology if the computer cable is broken, networks get down

A distributed network configuration in which all data/information pass through a central computer is _______ network

Point-to-point transmission with one sender and one receiver is sometimes called ________

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

________ layer decides which physical path the data should take.

Gateway allows devices on one network to ________ with devices on another network?

The simultaneous transmission of data to a number of stations is known as ____________

collection of interconnected networks is called as __________

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

_____________ specifies a star topology featuring a central hub and unshielded twisted-pair wire as the medium.

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

A _________ network configuration in which all data/information pass through a central computer is star network


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