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The method of slicing digital messages into parcels, transmitting them along different communication paths, and reassembling them at their destinations is called
Which of the following is not a characteristic of packet switching?
Packet switching requires point-to-point circuits
What are the four layers of the TCP/IP reference model?
application, transport, Internet, and network interface
Which of the following Internet connection types offers the greatest bandwidth?
In a bus network
signals are broadcast in both directions to the entire network
A network that spans a city, and sometimes its major suburbs as well, is called a
Bandwidth is the
difference between the highest and lowest frequencies that can be accommodated on a single channel
The total amount of digital information that can be transmitted through any telecommunications medium is measured in
Digital subscriber lines
operate over existing telephone lines to carry voice, data, and video.
are high-speed, leased data lines providing guaranteed service levels.
Which of the following is not an advantage of using VOIP?
It enables the creation of two distinct networks for voice and data
In the domain name "http://myspace.blogging.com", what are the root, top-level, second-level, and third-level domains, respectively?
".", com, blogging, myspace
IPv6 is being developed in order to
create more IP addresses
Which of the following distinguishes wikis from blogs?
. Wikis allow users to modify content created by other users, whereas blogs only allow comments to posted material.
is an encrypted private network configured within a public network
Web browser software requests Web pages from the Internet using which protocol?
The most common Web server today, controlling 54 percent of the market, is
Apache HTTP Server
What technology allows people to have content pulled from Web sites and fed automatically to their computers?
Which of the following is not one of the four defining features of Web 2.0?
The 802.11 set of standards for wireless LANs is known as
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
The next evolution in wireless communication is
a. 3G networks.
Which of the following would you be most likely to use RFID technology for?
The process of employing techniques to help a Web site achieve a higher ranking with the major search engines is called
Bluetooth can be used to link up to ________ devices within a 10-meter area using low-power, radio-based communication.
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