MIS Chapter 4

The narrower the bandwidth, the more information can be exchanged at one time.

• A.

  True

• B.

  False

                 The rate at which data is exchanged over a communications channel is usually measured in bits per second.

• A.

  True

• B.

  False

Wi-Fi enables users of multifunctional devices to synchronize with information in a desktop computer, send or receive faxes, print, and, in general, coordinate all mobile and fixed computer devices.

• A.

  True

• B.

  False

With a Wi-Fi wireless network, the user’s computer, smartphone, or personal digital assistant has a wireless adapter that translates data into a radio signal and transmits it using an antenna.

• A.

  True

• B.

  False

Current Wi-Fi access points have a maximum range of about 100 feet outdoors and 300 feet within a dry-walled building.

• A.

  True

• B.

  False

                  3G wireless communication was developed by the International Telecommunications Union (ITU) who set out to establish a single standard for cellular networks in 1999.

• A.

  True

• B.

  False

ADSL does not require an additional phone line but provides “always-on” Internet access.

• A.

  True

• B.

  False

A drawback of ADSL is that the farther the subscriber is from the local telephone office, the poorer the signal quality and the slower the transmission speed.

• A.

  True

• B.

  False

Cable modem provides a dedicated connection from each user to the phone company’s local office, so the performance does not decrease as new users are added.

• A.

  True

• B.

  False

Servers can be computers of all sizes.

• A.

  True

• B.

  False

                 Wireless application protocol (WAP) is used to connect cell phones and other devices to the Internet.

• A.

  True

• B.

  False

The Internet can be used to broadcast group meetings using presentation software and videoconferencing equipment.

• A.

  True

• B.

  False

                 Social networking enables users to browse large files in real time.

• A.

  True

• B.

  False

VPNs are insecure connections between two points on the Internet.

• A.

  True

• B.

  False

                 Most VPNs are built and run by ISPs.

• A.

  True

• B.

  False

A ____ is any material substance that carries an electronic signal to support communications between a sending and receiving device.

• A.

  Bandwidth

• B.

  Telecommunications medium

• C.

  Broadband

• D.

  Narrowband

____ enable geographically separated workgroups to share documents and opinions, which fosters teamwork, innovative ideas, and new business strategies.

• A.

  Communications protocols

• B.

  Applets

• C.

  Networks

• D.

  HTML tags

A network that connects computer systems and devices within a small area such as an office, home, or several floors in a building is a ____.

• A.

  Metropolitan area network

• B.

  Personal area network

• C.

  Wide area network

• D.

  Local area network

With ____ processing, devices are placed at various remote locations.

• A.

  Centralized

• B.

  Mesh

• C.

  Decentralized

• D.

  Distributed

                  ____ is a communication standard that enables traffic to be routed from one network to another as needed.

• A.

  ARPANET

• B.

  IP

• C.

  URL

• D.

  ISP

                 Each computer on the Internet has an assigned address, called its ____, to identify it to other hosts.

• A.

  ARPANET

• B.

  IP

• C.

  URL

• D.

  ISP

                 A(n) ____ is any company that provides people and organizations with access to the Internet.

• A.

  ARPANET

• B.

  IP

• C.

  URL

• D.

  ISP

                 The ____ is a collection of tens of millions of server computers that work together as one in an Internet service using hyperlink technology to provide information to billions of users.

• A.

  URL

• B.

  WWW

• C.

  ISP

• D.

  HTML

The ____ platform by Microsoft allows developers to use different programming languages to create and run programs, including those for the Web.

• A.

  NET

• B.

  ActiveX

• C.

  Java

• D.

  PHP

                  A ____ is a facility that enables two or more people to engage in interactive “conversations” over the Internet.

• A.

  Chat room

• B.

  Web log

• C.

  Podcast

• D.

  Bot

____ is a method for transferring multimedia files, radio broadcasts, and other content over the Internet so that the data stream of voice and pictures plays more or less continuously, without a break, or with very few breaks.

• A.

  VoIP

• B.

  Contemt Streaming

• C.

  Tunneling

• D.

  RSS

A ____ is an Internet site that matches buyers and sellers.

• A.

  Web auction

• B.

  Blog

• C.

  Bot

• D.

  RSS

A ____ is a device that can broadcast any TV program coming into your home to a broadband Internet-connected PC.

• A.

  Blog

• B.

  Partial mesh

• C.

  Bot

• D.

  Slingbox

                 A(n) ____ is an internal corporate network built using Internet and World Wide Web standards and products.

• A.

  Backbone

• B.

  Intranet

• C.

  ISP

• D.

  Extranet

____ is the process by which VPNs transfer information by encapsulating traffic in IP packets over the Internet.

• A.

  Downloading

• B.

  Streaming

• C.

  Tunneling

• D.

  Blogging

When the communications signal is broadcast over airwaves as a form of electromagnetic radiation, ____________________ transmission media is being used.

______________________________ is a very short-range wireless connectivity technology designed for cell phones and credit cards.

____________________ is a wireless communications specification that describes how cell phones, computers, personal digital assistants, printers, and other electronic devices can be interconnected over distances of 10–30 feet at a rate of about 2 Mbps

____________________ communication stands for fourth-generation broadband mobile wireless, which is expected to deliver more advanced versions of enhanced multimedia, smooth streaming video, universal access, portability across all types of devices, and eventually, worldwide roaming capability.

A(n) _________________________ is a systems software that controls the computer systems and devices on a network and allows them to communicate with each other.

With ____________________ software, a manager on a networked personal computer can monitor the use of individual computers and shared hardware (such as printers), scan for viruses, and ensure compliance with software licenses.

                 The ____________________ is a collection of interconnected networks, all freely exchanging information.

Some people, called ____________________, have registered domain names in the hope of selling the names to corporations or people at a later date.

                  ___________________________________ is a markup language for Web documents containing structured information, including words and pictures.

____________________ consist of standards and tools that streamline and simplify communication among Web sites for business and personal purposes.