Data and Digital Communications

Welcome to your Data and Digital Communications

The entities comprising the corresponding layers on different machine are called _____

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

For large networks _____ topology is normally used

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

Datagrams using header extension are called __________

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

The application layer of a network ________

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

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

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

Polynomial code is also known as __________

Terminators are used in ________ topology

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

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

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

collection of interconnected networks is called as __________

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

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

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

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

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