MIS Chapter 7

C) eight

Bluetooth can be used to link up to ________ devices within a 10-meter area using low-power, radio- based communication. A) two B) five C) eight D) fifteen E) twenty

True

Mobile search makes up at more than 50% of all Internet searches.

True

More than 200 million Americans access the Internet via mobile devices

False

NFC tags are always passive

True

TCP/IP was developed in the developed during the early 1970s to support Uefforts to help scientists transmit data among different types of computers over long distances

False

The number of cycles per second that can be sent through any telecommunications medium is measured in kilobytes

A) a modem.

To use the analog telephone system for sending digital data, you must also use: A) a modem. B) a router. C) DSL. D) twisted wire E) TCP/IP

True

VoIP technology delivers voice information in digital form using packet switching

E) DNS

What service converts IP addresses into more recognizable alphanumeric names? A) HTML B) FTP C) IP D) HTTP E) DNS

B) Switch

Which of the following is a device that acts as a connection point between computers and can filter and forward data to a specified destination? A) Hub B) Switch C) Router D) NIC E) Modem

C) Packet switching requires point-to-point circuits

Which of the following is not a characteristic of packet switching? A) Packets travel independently of each other. B) Packets are routed through many different paths. C) Packet switching requires point-to-point circuits D) Packets include data for checking transmission errors. E) Packets are reassembled into the original message when they reach their destinations.

B) A standard set of rules and procedures for control of communications in a network

Which of the following is the best description of a protocol in a telecommunications network architecture? 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 E) A pathway through which packets are routed

E) Analog

Which signal types are represented by a continuous waveform? A) Laser B) Optical C) Digital D) RFID E) Analog

B) LAN

Which type of network is used to connect digital devices within a half-mile or 500-meter radius? A) Wi-Fi B) LAN C) WAN D) MAN E) SAN

E) Packet switching

3) Which of the following involves slicing digital messages into parcels, transmitting them along different communication paths, and reassembling them at their destinations? A) Multiplexing B) Packet shifting C) Packet routing D) ATM. E) Packet switching

E) digital

A(n) ________ signal is a discrete, binary waveform that transmits data coded into two discrete states such as 1-bits and 0-bits. A) modulated B) broadband C) T1 D) analog E) digital

True

Apple Pay uses an RFID-related technology called near field communication.

True

Coaxial cable is similar to that used for cable television and consists of thickly insulated copper wire

A) Disassembling and reassembling packets during transmission

In TCP/IP, IP is responsible for which of the following? A) Disassembling and reassembling packets during transmission B) Establishing an Internet connection between two computers C) Moving packets over the network D) Sequencing the transfer of packets E) Breaking messages down into packets

True

In a large company today, you will often find an infrastructure that includes hundreds of small LANs linked to each other as well as to corporate-wide networks

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

T1 lines: A) operate over existing telephone lines to carry voice, data, and video. B) operate over coaxial lines to deliver Internet access. C) do not provide guaranteed service levels, but simply "best effort." D) have up to twenty-four 64-Kbps channels E) are high-speed, leased data lines providing guaranteed service levels

C) 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? A) TCP/IP, HTML, and HTTP B) TCP/IP, HTTP, and packet switching C) Client/server computing, packet switching, and the development of communications standards for linking networks and computers D) Client/server computing, packet switching, and HTTP E) E-mail, instant messaging, and newsgroups

D) circuit-switched

The telephone system is an example of a ________ network A) peer-to-peer B) wireless C) packet-switched D) circuit-switched

True

Two computers using TCP/IP can communicate even if they are based on different hardware and software platforms