Information Systems Ch 6

In the domain name "http://myspace.blogging.com", what are the root, top-level, second-level, and third-level domains, respectively?

".", com, blogging, myspace

The WiMax standard can transmit up to a distance of approximately:

30 Miles

Which of the following is the first generation of cellular systems suitable for wireless broadband Internet access?

3G

Which signal types are represented by a continuous waveform?

Analog

The most common Web server today, controlling 59 percent of the market, is:

Apache HTTP server

What are the four layers of the TCP/IP reference model?

Application, transport, Internet, and network interface

The most appropriate wireless networking standard for creating PANs is:

Bluetooth

________ work(s) by using radio waves to communicate with radio antennas placed within adjacent geographic areas.

Cell phones

The Internet is based on which three key technologies?

Client/server computing, packet switching, and the development of communications standards for linking networks and computers

What service converts IP addresses into more recognizable alphanumeric names?

DNS

What technology allows people to have content pulled from Web sites and fed automatically to their computers?

RSS

The process of employing techniques to help a Web site achieve a higher ranking with the major search engines is called:

SEO

Which protocol is the Internet based on?

TCP/IP

Which of the following statements is not true about search engines?

There are hundreds of search engines vying for user attention, with no clear leader having yet emerged.

Which process is used to protect transmitted data in a VPN?

Tunneling

________ integrate(s) disparate channels for voice communications, data communications, instant messaging, e-mail, and electronic conferencing into a single experience.

Unified communications

The 802.11 set of standards is known as:

Wi-Fi

To use the analog telephone system for sending digital data, you must also use:

a modem

In a telecommunications network architecture, a protocol is:

a standard set of rules and procedures for control of communications in a network.

A(n) ________ is a box consisting of a radio receiver/transmitter and antennas that links to a wired network, router, or hub.

access point

A LAN would be used to connect all of the following except:

all of the computers in a city.

T lines:

are high-speed, leased data lines providing guaranteed service levels.

The total amount of digital information that can be transmitted through any telecommunications medium is measured in:

bps

The most common Ethernet topology is:

bus

Instant messaging is a type of ________ service.

chat

The telephone system is an example of a ________ network.

circuit switched

IPv6 is being developed in order to:

create more IP addresses.

Bandwidth is the:

difference between the highest and lowest frequencies that can be accommodated on a single channel.

In TCP/IP, IP is responsible for:

disassembling and reassembling of packets during transmission.

Bluetooth can be used to link up to ________ devices within a 10-meter area using low-power, radio-based communication.

eight

Passive RFID tags:

have a range of several feet.

One or more access points positioned on a ceiling, wall, or other strategic spot in a public place to provide maximum wireless coverage for a specific area are referred to as:

hotspots

A VPN:

is an encrypted private network configured within a public network.

A ________ is special software that routes and manages communications on the network and coordinates networks resources.

network operating system/NOS

Digital subscriber lines:

operate over existing telephone lines to carry voice, data, and video.

Prior to the development of ________, computer networks used leased, dedicated telephone circuits to communicate with other computers in remote locations.

packet switching

The method of slicing digital messages into parcels, transmitting them along different communication paths, and reassembling them at their destinations is called:

packet switching

Which type of network treats all processors equally, and allows peripheral devices to be shared without going to a separate server?

peer to peer

In a bus network:

signals are broadcast in both directions to the entire network.

All network components connect to a single hub in a ________ topology.

star

The device that acts as a connection point between computers and can filter and forward data to a specified destination is called a(n):

switch

The child domain of the root is the:

top-level domain.

Together, a protocol prefix, a domain name, a directory path, and a document name, are called a(n):

uniform resource locator

A network that spans a city, and sometimes its major suburbs as well, is called a:

MAN

Based on your reading of the examples in the chapter, what would be the best use of RFID for a business?

Managing the supply chain

________ is the manner in which the physical components of a LAN are connected together.

Network topology

Which of the following is not a characteristic of packet switching?

Packet switching requires point-to-point circuits.

Which type of network would be most appropriate for a business that comprised three employees and a manager located in the same office space, whose primary need is to share documents?

Peer to Peer Network

Which of the following statements about RFID is not true?

RFIDs require line-of-sight contact to be read.

A network that covers entire geographical regions is most commonly referred to as a(n):

wide area network

Web browser software requests Web pages from the Internet using which protocol?

HTTP

Which organization helps define the overall structure of the Internet?

IAB

Which type of network is used to connect digital devices within a half-mile or 500-meter radius?

LAN

Which of the following services enables logging on to one computer system and working on another?

Telnet