Info 360 Chapter 7
all of the computers in a city.
A LAN would be used to connect all of the following except:
is an encrypted private network configured within a public network.
A VPN:
network operating system/NOS
A ________ is special software that routes and manages communications on the network and coordinates networks resources.
wide area network.
A network that covers entire geographical regions is most commonly referred to as a(n):
MAN
A network that spans a city, and sometimes its major suburbs as well, is called a:
access point
A(n) ________ is a box consisting of a radio receiver/transmitter and antennas that links to a wired network, router, or hub.
difference between the highest and lowest frequencies that can be accommodated on a single channel.
Bandwidth is the:
Managing the supply chain
Based on your reading of the examples in the chapter, what would be the best use of RFID for a business?
eight
Bluetooth can be used to link up to ________ devices within a 10-meter area using low-power, radio-based communication.
operate over existing telephone lines to carry voice, data, and video.
Digital subscriber lines:
are high-speed, leased data lines providing guaranteed service levels.
T lines:
SEO
The process of employing techniques to help a Web site achieve a higher ranking with the major search engines is called:
circuit-switched
The telephone system is an example of a ________ network.
bps
The total amount of digital information that can be transmitted through any telecommunications medium is measured in:
a modem.
To use the analog telephone system for sending digital data, you must also use:
uniform resource locator.
Together, a protocol prefix, a domain name, a directory path, and a document name, are called a(n):
HTTP
Web browser software requests Web pages from the Internet using which protocol?
Application, transport, Internet, and network interface
What are the four layers of the TCP/IP reference model?
4G systems have greater transmission speeds.
What is the primary difference between 3G and 4G cellular systems?
DNS
What service converts IP addresses into more recognizable alphanumeric names?
RSS
What technology allows people to have content pulled from Web sites and fed automatically to their computers?
Wiki
Which of the following enables multiple users to create and edit Web documents?
Susceptibility to interference from nearby wireless systems
Which of the following is a challenge posed by Wi-Fi networks?
Which of the following is an example of the "visual Web"?
Social networking
Which of the following is considered by many to be the defining Web 2.0 application?
Packet switching requires point-to-point circuits.
Which of the following is not a characteristic of packet switching?
Telnet
Which of the following services enables logging on to one computer system and working on another?
RFIDs require line-of-sight contact to be read.
Which of the following statements about RFID is not true?
There are hundreds of search engines vying for user attention, with no clear leader having yet emerged.
Which of the following statements is not true about search engines?
IAB
Which organization helps define the overall structure of the Internet?
Tunneling
Which process is used to protect transmitted data in a VPN?
TCP/IP
Which protocol is the Internet based on?
Analog
Which signal types are represented by a continuous waveform?
LAN
Which type of network is used to connect digital devices within a half-mile or 500-meter radius?
Peer-to-peer
Which type of network serves a small group of computers, allowing them to share resources and peripherals without using a dedicated server?
Peer-to-peer network
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?
Unified communications
________ integrate(s) disparate channels for voice communications, data communications, instant messaging, e-mail, and electronic conferencing into a single experience.
hotspots
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:
packet switching
Prior to the development of ________, computer networks used leased, dedicated telephone circuits to communicate with other computers in remote locations.
create more IP addresses.
IPv6 is being developed in order to:
GSM
In Europe, and much of the world, the standard for cellular services is:
disassembling and reassembling of packets during transmission.
In TCP/IP, IP is responsible for:
a standard set of rules and procedures for control of communications in a network.
In a telecommunications network architecture, a protocol is:
".", com, blogging, myspace
In the domain name "http://myspace.blogging.com", what are the root, top-level, second-level, and third-level domains, respectively?
chat
Instant messaging is a type of ________ service.
a vision of a pervasive Web, in which common objects are connected to and controlled over the Internet
The "Internet of Things" refers to:
Wi-Fi.
The 802.11 set of standards is known as:
Client/server computing, packet switching, and the development of communications standards for linking networks and computers
The Internet is based on which three key technologies?
30 miles.
The WiMax standard can transmit up to a distance of approximately:
top-level domain
The child domain of the root is the:
switch
The device that acts as a connection point between computers and can filter and forward data to a specified destination is called a(n):
packet switching.
The method of slicing digital messages into parcels, transmitting them along different communication paths, and reassembling them at their destinations is called:
Bluetooth
The most appropriate wireless networking standard for creating PANs is:
Apache HTTP Server.
The most common Web server today, controlling 65 percent of the market, is:
