Exam 1: Introduction to Computer Networks and Data Communications

Data is information that has been translated into a form that is more conducive to storage,transmission,and calculation.

____ ensures that the network does not become saturated at any one point.

The ____________________ protocol suite incorporates the TCP and IP protocols and has in fact always been more popular than the OSI model.

A dictionary might define "____________________" as the process of coming together toward single point.

The ____ layer of the OSI model performs a series of miscellaneous functions necessary for presenting the data package properly to the sender or receiver.

A modem and a dial-up telephone service provides data transfer rates of approximately ____.

Network architectures are cohesive layers of protocols defining a set of communication services.

The data link layer of the OSI model can incorporate some form of error detection software.

____ are the computers that store network software and shared or private user files.

Telnet is used to allow a remote user to log in to another computer system.

Connecting two wide area networks requires devices such as high-speed ____.

The lowest layer of the TCP/IP protocol suite is the network access or physcial layer.

____ is the design,installation,and support of a network and its hardware and software.

The OSI model consists of seven layers: application,presentation,session,____________________,network,data link,and physical.

The merging together of two or more businesses or technologies is termed

A ____ is a device that is essentially a keyboard and screen with no long-term storage capabilities and little,if any,processing power.

A(n)____________________,or communications model,places the appropriate network pieces in layers.

The ______________ layer of the TCP/IP protocol suite is responsible for making sure that what leaves one end of the network arrives at the other end of the network exactly the same.

Briefly explain some examples of convergence in the wireless market.

A(n)____ connection is a nonphysical connection between sender and receiver that allows an exchange of commands and responses.