Intro to Business Ch. 13

A network that connects computers at one site is called a(n):

Local area network

To keep pace with changing technology, officers of the Honolulu Police Department (HPD) needed a better means to perform such tasks as running a license plate number while simultaneously sending back field reports to precinct headquarters. Through the use of a _____, officers were able to use the Internet to connect with the information stored in state databases and to connect with their superiors.

virtual private networks

_____ are examples of wide area networks (WANs).

Extranets and Intranets

network

A group of two or more computer systems linked together by communications channels to share data and information is called a computer network.

Which of the following statements about computer networks is true? A. Computer networks can only be used to connect computers at one site. B. Today's networks only have the ability to connect 20 or fewer companies together. C. Enterprise Software cannot be run on computer networks D. LAN is a logistical analog network E. A computer network is a group of two or more computers linked together by communications channels to share data and information.

E. A computer network is a group of two or more computers linked together by communications channels to share data and information.

General Electric saves $1.6 billion per year by using its private corporate network that links its 340,000 employees. Another name for this network that operates behind a firewall is a(n):

Intranet

_____ are internal corporate wide area networks that use Internet technology to link employees in many different locations and with many different types of computers.

Intranets

NMCI is the name used for a large-scale effort to link Navy and Marine Corps computer systems on bases, boats, and in offices around the world. When completed, this internal WAN will use Internet technology to link soldiers in the field with support personnel on bases, etc. NMCI is an example of a(n):

Intranet

At Samaritan Medical Center (SMC) in Watertown, N.Y., care providers needed to continuously monitor patients' vital signs as staff moved them from the emergency department to radiology and other hospital areas. The hospital administrators decided to use a(n) _____, a cost-effective way to connect the monitoring devices and to prioritize the critical data that the devices were gathering. A nurse sitting at a terminal knows immediately if there is a problem.

Local Area Network (LAN)

_____ offer companies a more cost-effective way to link computers than linking terminals to a mainframe computer.

Local area networks

The governor of New York that he has directed the state's Division of Criminal Justice Services to gather DNA from the broadest range of convicted criminals permitted under current law. This will result in the collection of as many as 40,000 DNA profiles. The additional DNA profiles may be obtained as a condition of release on parole or probation, as a condition of participation in the Department of Correctional Services' temporary release programs, and as a condition of a plea bargain. A computer _____ would allow investigating officers from other states to access the New York profiles and to provide information about their state's criminals to New York's law officers.

Network

Many companies use _____ to connect two or more private networks over a public network, such as the Internet.

Virtual Private Networks

A network that connects computers at different sites via telecommunications media is called a(n):

Wide Area Network (WAN)

A(n) _____ is a service company that buys and maintains software on its servers and distributes it through high-speed networks to subscribers for a set period of time and a predetermined price.

application service provider

One of the important decisions managers have to make is whether to buy and commit to upgrading its computer equipment every couple of years. One way of avoiding having to buy costly upgrades, which can quickly become obsolete, is to use:

application service providers

Virtual private networks (VPNs):

connect two or more private networks using a public network

When compared to a wired LAN, the wireless LAN is:

faster and more reliable

Intranets are essentially mini-Internets that operate behind a(n) _____ that prevents unauthorized access.

firewall

Intranets are

internal corporate wide area networks that use Internet technology to link employees in many different locations and with many different types of computers.

A LAN is a:

network of computer systems that share the use of software and hardware