a. Save costs
b. Enhance learning
c. Provide cell phone service
d. Provide cable television
computers, such as serving up Web pages, storing data, and storing the network operating system, is called a:
a. Server computer
a. Network interface card
b. Network hub
c. Ethernet card
d. None of the above.
a. Transmission Control Protocol/Internet Protocol (TCP/IP).
b. International Standards Organization (ISO).
c. Open Systems Interconnection (OSI).
d. File Transfer Protocol (FTP).
a. TCP/IP, HTML, HTTP
b. TCP/IP, HTTP, and packet switching
c. Client/server computing, packet switching, and the development of widely used communications standards for linking networks and computers.
d. Client/server computing, packet switching, and HTTP.
b. Packet switching
c. Packet routing
a. Peer-to-peer network
b. Frame relay network
c. Packet-switched network
d. Circuit-switched network
a. Uses packets of different sizes
b. Packets are routed through many different paths
c. Requires dedicated circuits
d. Packets include data for checking transmission errors
a. Physical layer, application layer, transport layer, network interface layer
b. Physical layer, application layer, Internet layer, network interface layer
c. Application layer, transport layer, Internet layer, network interface layer
d. Application layer, hardware layer, Internet layer, network interface layer
a. Disassembling and reassembling of packets during transmission
b. Establishing an Internet connection between two computers
c. Moving packets over the network
d. Sequencing the transfer of packets
a. A device that handles the switching of voice and data in a local area network.
b. A standard set of rules and procedures for control of communications in a network.
c. A communications service for microcomputer users.
d. The main computer in a telecommunications network.
b. Coaxial cable.
c. Fiber optics.
a. Twisted-pair cable.
b. A satellite.
c. Optical fiber.
d. Coaxial cable.
a. Front end.
c. Network interface.
b. Laser device
c. Optical device
a. A modem
d. Twisted wire
a. Fiber optics
b. Bluetooth technology
c. Wi-Fi technology
a. specialized computer to supervise communication traffic between the CPU and the peripheral device in the telecommunications system.
b. device that carries the telecommunication message in analog form for packet distribution.
c. technology that enables a single communications channel to carry data transmissions from multiple sources simultaneously.
d. special purpose computer dedicated to managing communications for the host
computer in the network.
d. Fiber Optic
a. Clock speed.
a. Cell phones
a. the number of frequencies that can be broadcast through a medium.
b. the number of cycles per second that can be sent through a medium.
c. the difference between the highest and lowest frequencies that can be accommodated on a single channel.
d. the total number of bytes that can be sent through a medium per second.
telecommunications medium is measured in:
a. transmission Control Protocol/Internet Protocol.
b. transmission Control Protocol/Internet Packets.
c. transfer Control Protocol/Internet Protocol.
d. transfer Control Protocol/Internet Packets.
shared without going to a separate server?
a. Star network
b. Bus network
c. Domain network
d. Peer-to-peer network
a. Signals are broadcast to the next station
b. Signals are broadcast in both directions to the entire network
c. Multiple hubs are organized in a hierarchy
d. Messages pass from computer to computer in a loop.
a. Is a central switching system that handles a firm’s voice and digital communications.
b. Links all computers in a closed loop in a manner that passes data in one direction from one computer to another.
c. Links all computers and other devices to a central host computer, through which all communications must pass.
d. Connects computers and peripheral devices located close to each other, often in the same building.
a. Local area network.
d. Wide area network.
a. Gives equal power to all computers on the network and is used primarily in small
b. Spans a large geographical distance and may consist of a variety of media
c. Is a private, multipath, data-only, third-party-managed network that multiple
organizations use on a subscription basis.
d. Has the technology to enable voice and data to run over a single network.
a. Links all computers in a closed loop in a manner that passes data in one direction from one computer to another.
b. Links all computers and other devices to a central hub, through which all
communications must pass.
c. Connects computers and peripheral devices located close to each other, often in the same building.
d. Links a number of computers by a single circuit with all messages broadcast to the
a. Windows XP, Unix, and Mac
b. Windows XP, Linux, and Novell
c. Windows, Unix, and Mac
d. Windows, Linux, and Novell
a. a small group of computers shares resources over the network without a server.
b. a dedicated server manages the network computers.
c. computers can share peripheral devices without going through a separate server.
d. all devices on the network connect to a single hub.
c. Frame relay
a. Operate over existing telephone lines to carry voice, data, and video
b. Operate over coaxial lines to deliver Internet access
c. Are very-high-speed data lines typically leased from long-distance telephone companies
d. Have up to twenty-four 64-Kbps channels
a. is an international telephone standard that uses coaxial cabling in place of twisted pair wiring to achieve higher transmission rates.
b. integrates voice, data, image, and video services.
c. is cheaper, although less powerful, than DSL Internet services.
d. is cheaper, although less powerful, than Cable Internet services.
a. operate over existing telephone lines to carry voice, data, and video.
b. operate over coaxial lines to deliver Internet access.
c. are very-high-speed data lines typically leased from long-distance telephone
d. have up to twenty-four 64-Kbps channels.
d. Frame relay
a. “http://”, myspace, blogging, com
a. “http://”, com, blogging, myspace
c. “.”, com, blogging, myspace
d. “.”, myspace, blogging, com
a. Top-level domain
b. Second-level domain
c. Host name
d. Domain extension
a. None, no one “owns” the Internet.
b. Usenet newsgroups
d. Instant messaging
a. Update the packet transmission protocols for higher bandwidth
b. Create more IP addresses
c. Allow for different levels of service
d. Support Internet2
d. World Wide Web
a. All the data resides on servers
b. Some data, such as e-mail messages, resides on client computers
c. Applications reside on servers and all data resides on client computers
d. All data resides on servers and applications reside on client computers.
a. Uniform resource locator
b. Unified resource locator
c. Third-level domain
d. Root domain
a. Microsoft IIS
c. Apache HTTP server
automatically to their computers?
a. shopping bot marketing.
b. search engine marketing.
c. targeted marketing.
d. search results marketing.
a. chat service.
b. cellular service.
c. Web service.
d. wireless service.
a. Web browser
b. administrative computer
d. applications protocol
c. Collaboration net.
d. Virtual private network.
a. Lack of standards for inter-office use
b. Server storage space clogged with e-mails
c. Too much bandwidth used by e-mails
d. Excessive personal use of e-mail in the workplace
a. Is an encrypted private network configured within the public Internet
b. Is more expensive than a dedicated network
c. Provides secure, encrypted communications using Telnet
d. Is an Internet-based service for delivering voice communications.
a. Is the major European digital cellular standard
b. Is more expensive than GSM
c. Transmits over several frequencies
d. Uses the 1.9 GHz band
a. 3G networks
b. 2.5 G networks
b. IEEE 802.11b
c. Compact XML
d. Compact HTML
a. IEEE 802.15.
b. IEEE 802.11.
c. IEEE 802.16.
d. IEEE 802.20.
a. 54 Mbps in the unlicensed 5-GHz frequency range
b. 11 Mbps in the unlicensed 2.4-GHz range
c. 54 Mbps in the 2.4-GHz range.
d. 722 Kbps in the 2.4-GHz range.
a. 54 Mbps in the unlicensed 5-GHz frequency range and has an effective distance of 10 to 30 meters.
b. Can transmit up to 11 Mbps in the unlicensed 2.4-GHz band and has an effective distance of 30 to 50 meters.
c. Can transmit up to 54 Mbps in the 2.4-GHz range.
d. Can transmit up to 722 Kbps in the 2.4-GHz range.
a. Peer-to-peer mode.
b. Local area network mode.
c. Wide area network mode.
d. Metropolitan area network mode.
a. They have the same transmission capacity and ranges
b. They are both based on WAP
c. They are both part of the 802.11 family of standards
d. They use the same frequency band
a. Wireless spots
d. Wireless hubs.
a. IEEE 802.15.
b. IEEE 802.11.
c. IEEE 802.16.
d. IEEE 802.20.
a. 10 to 30 meters.
b. 30 to 50 meters.
c. 31 miles.
d. 100 miles.
a. 10 – 19 Kbps.
b. 54 – 144 Kbps.
c. 144 Kbps – 2+ Mbps.
d. 300 – 500 Kbps.
c. High frequency
d. Low frequency
a. Between $1.00 and $20.00 each.
b. Between $20.00 and $50.00 each.
c. About 19 cents.
d. Under 5 cents.
a. Cell phones and PDAs
b. Personal area networks
c. RFID and wireless technology
d. Satellites and PDAs
b. Supply chain management
c. Lowering network costs
d. Enabling client communication