16) Which of the following wireless protocols is designed for transmitting data over short distances?
A) optical fiber
B) coaxial cable
C) twisted-pair cable
D) Bluetooth
17) Which of the following protocols is commonly used by wired local area networks (LANs)?
A) IEEE 802.3
B) DSL
C) EVDO
D) WiMAX
18) Which of the following protocols is commonly used for wireless local area networks (LANs)?
A) IEEE 802.11
B) Distributed Data Interface
C) DSL
D) IEEE 802.3
19) Which of the following statements is true of an Internet service provider (ISP)?
A) It separates the phone signals from computer signals on a digital subscriber line (DSL) at a user's location.
B) It facilitates a one-way information transfer process between a user's computer and the Internet.
C) It allows a user to communicate directly through the Internet without requiring a wireless medium of communication.
D) It provides a legitimate Internet address and serves as a user's gateway to the Internet.
20) Which of the following statements is true of digital subscriber lines (DSLs)?
A) They use television lines for data transmission.
B) Their signals do not interfere with voice telephone services.
C) Their operations are independent of voice telephone lines.
D) They do not allow data transmission to occur when telephone conversations occur.
21) Which of the following statements is true of cable lines?
A) Cable lines provide high-speed data transmission using telephone cables.
B) Performance of cable lines is stable irrespective of the number of users sending and receiving data.
C) Cable lines use the same protocols used by data transmission lines.
D) The signals from cable lines do not interfere with TV signals.
22) A small office or a home office local area network (SOHO LAN) requires more than a dozen computers and printers.
23) The committee that addresses local area network (LAN) standards is called the IEEE 803 Committee.
24) Users can download data at a maximum speed of 10 Mbps using cable lines.
25) Most personal computers today that support 10/100/1000 Ethernet conform to the 802.3 specification and allow for transmission at a rate of 10, 100, or 1,000 Mbps.