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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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When the packets are small and all the same size, they are often called _______

Each end office has a number of outgoing lines to one or more nearby switching canters called ______

The most efficient medium for ATM 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

An example for dynamic routing algorithm is _______.

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

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

In OSI reference model, which of the following layer provides error-free delivery of data?

Datagrams using header extension are called __________

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

__________ is the loss of energy as the signal propagates outward.

Print server uses spool which is a ______ that holds data before it is send to the printer

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

The commonly used protocol for webpage transfer is ________

________ bursting allows a sender tot transmit a concatenated sequence of multiple frames in a single transmission.

Which layer of OSI model is responsible for creating and recognizing frame boundaries?

Devices on one network can communicate with devices on another network via __________

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

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.


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