CHP 7 Computer

B) router

10) A(n) ________ is a device that forwards packets of data through different networks, ensuring that the data gets to the right address. A) modem B) router C) packet D) telnet E) hub

B) MAN

29) A network that spans a city, and sometimes its major suburbs, as well, is called a: A) CAN. B) MAN. C) LAN. D) WAN. E) WSN.

E) DNS

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

E) LTE and WiMax

4G networks use which of the following standards? A) GSM and LTD B) CDMA and PAN C) LTE and LTD D) T-Mobile and AT&T E) LTE and WiMax

E) Search Engine Marketing

59) ________ monetizes the value of the data stored by search engines. A) TCP/IP B) RSS C) WiMax D) IoT E) Search Engine Marketing

C) access point

94) A(n) ________ is a box consisting of a radio receiver/transmitter and antennas that links to a wired network, router, or hub. A) RFID receiver B) WiMax receiver C) access point D) hub E) hotspot

A) is an encrypted private network configured within a public network.

A VPN: A) is an encrypted private network configured within a public network. 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. E) is a proprietary networking service technology developed by individual corporations.

D) wide area network.

A network that covers entire geographical regions is most commonly referred to as a(n): A) local area network. B) intranet. C) peer-to-peer network. D) wide area network. E) metropolitan area

D) ISP

A(n) ________ is a commercial organization with a permanent connection to the Internet that sells temporary connections to retail subscribers. A) RSS B) WAN C) NFP D) ISP E) FTP

A) web server

A(n) ________ is software for locating and managing stored web pages. A) web server B) net server C) router D) modem E) hub

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

A) bar codes.

All of the following are physical components of an RFID system except: A) bar codes. B) antennas. C) radio transmitters. D) tags. E) a stationary or handheld device.

True

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

C) difference between the highest and lowest frequencies that can be accommodated on a single channel.

Bandwidth is the: A) number of frequencies that can be broadcast through a medium. B) number of cycles per second that can be sent through a medium. C) difference between the highest and lowest frequencies that can be accommodated on a single channel. D) total number of bytes that can be sent through a medium per second. E) geographical distance spanned by a network.

B) Managing the supply chain

Based on your reading of the examples in the chapter, which of the following would be the best use of RFID for a business? A) Logging transactions B) Managing the supply chain C) Lowering network costs D) Enabling client communication E) Improving employee engagement

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

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

True

Computer networks are fundamentally different from telephone networks.

A) operate over existing telephone lines to carry voice, data, and video

Digital subscriber lines: A) operate over existing telephone lines to carry voice, data, and video. B) operate over coaxial cable 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. E) are assigned to every computer on the Internet.

True

Fiber-optic cable is more expensive and harder to install than wire media.

B) create more IP addresses.

IPv6 has been developed in order to: A) update the packet transmission protocols for higher bandwidth. B) create more IP addresses. C) allow for different levels of service. D) support Internet2. E) reduce excess IP addresses.

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 client/server network, a network server provides every connected client with an address so it can be found by others on the network.

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.

B) azimuth-interactive.com

In the domain name http://books.azimuth-interactive.com, which element is the second- level domain? A) books B) azimuth-interactive.com C) com D) none; there is no second-level domain in this name E) books.azimuth-interactive

A) chat

Instant messaging is a type of ________ service. A) chat B) cellular C) e-mail D) wireless E) network

A) IoT application

Macys Pick to the Last Unit system, described in the chapter-opening case, is an example of which of the following? A) IoT application B) IoP application C) BLE application D) GPS application E) Web 3.0 application

TRUE

More than 200 million Americans access the Internet via mobile devices.

A) TCP/IP (transmission Control Protocol/Internet Protocol , is a suite of communication protocols used to interconnect network devices on the internet.

On which of the following protocols is the Internet based? A) TCP/IP B) FTP C) IMAP D) HTTP E) DNS

E) 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: A) touch points. B) netcenters. C) hot points. D) wireless hubs. E) hotspots.

E) predicts what you are looking for as you enter words into the

Predictive search in Google's search engine: A) maintains a history of your searches and then predicts what you will search on next. B) uses a tracking service and cookies on your browser to predict search results. C) uses a knowledge graph of what similar people searched on to predict your search interests. D) uses a semantic approach to predict what you are looking for. E) predicts what you are looking for as you enter words into the query box.

C) intelligent agent

Shopping bots use ________ software for searching the Internet. A) Web 2.0 B) Web 3.0 C) intelligent agent D) comparison E) SEO

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.

TRUE

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

C) Wi-Fi.

The 802.11 set of standards is known as: A) WLAN. B) WSN. C) Wi-Fi. D) WiMax. E) WAN.

True

The Domain Name System (DNS) converts domain names to IP addresses.

C) Client/server computing, packet switching, and the development of communications

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

C) 30 miles.

The WiMax standard can transmit up to a distance of approximately: A) 30 meters. B) 500 meters. C) 30 miles. D) 5 miles. E) 70 miles.

E) network service providers.

The backbone networks of the Internet are typically owned by long-distance telephone companies called: A) regional network providers. B) enhanced service providers. C) internet bulk providers. D) backbone providers. E) network service providers.

A) top-level domain.

The child domain of the root is called the: A) top-level domain. B) second-level domain. C) host name. D) domain extension. E) mid-tier domain.

A) the Internet of Things.

The concept of a future web in which it is commonplace for everyday objects to be connected, controlled or monitored over the Internet is called: A) the Internet of Things. B) the Semantic Web. C) Internet2. D) a 3-D Web. E) Web 2.0.

D) Bluetooth.

The most appropriate wireless networking standard for creating PANs (Personal Area Network." A PAN is network of connected devices used by one person) is: A) I-mode. B) IEEE 802.11b. C) Wi-Fi. D) Bluetooth. E) RFID.

E) Apache HTTP Server.

The most common web server today is: A) Microsoft IIS. B) WebSTAR. C) IBM HTTP Server. D) Netscape Server. E) Apache HTTP Server.

D) circuit-switched

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

A) bps (bits per second)

The total amount of digital information that can be transmitted through any telecommunications medium is measured in: A) bps. B) Hertz. C) baud. D) gigaflops. E) RPMs.

data, you must also use: 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.

A) uniform resource locator.

Together, a protocol prefix, a domain name, a directory path, and a document name, are called a(n): A) uniform resource locator. B) IP address. C) third-level domain. D) root domain. E) child domain.

True

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

B) HTTP

Web browser software requests web pages from the Internet using which of the following protocols? A) URL B) HTTP C) DNS D) HTML E) FTP

C) Application, Transport, Internet, and Network Interface

What are the four layers of the TCP/IP reference model? A) Physical, application, transport, and network interface B) Physical, Application, Internet, and Network Interface C) Application, Transport, Internet, and Network Interface D) Application, Hardware, Internet, and Network Interface E) Software, Hardware, Network Interface, Internet

A) GSM

Which digital cellular standard is used widely throughout the world except the United States? A) GSM B) CDMA C) WLAN D) LTD E) 4G

D) SEO

Which of the following can be used to help a website achieve a higher ranking with the major search engines? A) VPN B) IAB C) SEM D) SEO E) RSS

E) Packet switching

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

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.

C) Semantic search

Which of the following is not a defining feature of Web 2.0? A) Interactivity B) Real-time user control C) Semantic search D) Social participation (sharing) E) User-generated content

A) Facebook

Which of the following is not one of the top five search engines? A) Facebook B) Yahoo C) Microsoft Bing D) Ask E) Google

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) 4G

Which of the following is the first generation of cellular systems suitable for watching videos? A) 2G B) 2.5G C) 3G D) 3.5G E) 4G

B) RSS (Really Simple Syndication, and it's is a simple, standardized content distribution method)

Which of the following pulls content from websites and feeds it automatically to a user's computers? A) FTP B) RSS C) HTTP D) Bluetooth E) IPv6

D) RFIDs require line-of-sight contact to be read.

Which of the following statements about RFID is not true? A) RFIDs transmit only over a short range. B) RFIDs use an antenna to transmit data. C) Microchips embedded in RFIDs are used to store data. D) RFIDs require line-of-sight contact to be read. E) RFID tags and antennas come in a variety of shapes and sizes.

D) There are hundreds of search engines vying for user attention, with no clear leader having

Which of the following statements is not true about search engines? A) They are arguably the Internet killer app B) They have solved the problem of how users instantly find information on the Internet. C) They are monetized almost exclusively by search engine marketing. D) There are hundreds of search engines vying for user attention, with no clear leader having yet emerged. E) Users are increasingly using search engines on mobile devices.

E) IAB (The Internet Architecture Board (IAB) oversees the evolution of Internet protocols and standards).

Which organization helps define the overall structure of the Internet? A) none (no one owns the Internet) B) W3C C) ICANN D) The Department of Commerce (U.S.) E) IAB

A) Tunneling

Which process is used to protect transmitted data in a VPN? A) Tunneling B) PPP C) VOIP D) Packet-switching E) Chaining

E.) Analog

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

B) LAN (local area network)

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) Peer-to-peer

Which type of network treats all processors equally and allows peripheral devices to be shared without going to a separate server? A) MAN B) Wireless C) LAN D) Windows domain network E) Peer-to-peer

C) Peer-to-peer network

Which type of network would be most appropriate for a business comprised of three employees and a manager located in the same office space, whose primary need is to share documents? A) MAN B) Domain-based LAN C) Peer-to-peer network D) WAN E) SAN

True

Wikis allow visitors to change or add to the original posted material.

E) Unified communications

________ integrate disparate channels for voice communications, data communications, instant messaging, e-mail, and electronic conferencing into a single experience. A) Wireless networks B) Intranets C) Virtual private networks D) Modems E) Unified communications