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.

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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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