IS data systems chpt 7
Which type of network is used to connect digital devices within a half-mile or 500-meter radius? WSN Microwave WAN LAN MAN
Correct LAN
In the domain name "http://myspace.blogging.com", what are the root, top-level, second-level, and third-level domains, respectively? .com, blogging, myspace "http://", .com, blogging, myspace "http://", blogging, .com myspace, blogging, .com "http://", myspace, blogging, .com
Selected Answer: Correct .com, blogging, myspace Answers:
What are the four layers of the TCP/IP reference model? Hardware, software, transport, and application Physical, application, Internet, and network interface Application, hardware, Internet, and network interface Application, transport, Internet, and network interface Physical, application, transport, and network interface
Selected Answer: Correct Application, transport, Internet, and network interface Answers:
The most appropriate wireless networking standard for creating PANs is: Bluetooth. 802.11b. 802.11n. I-mode. WiFi.
Selected Answer: Correct Bluetooth. Answers:
Web browser software requests web pages from the Internet using which protocol? URL DNS HTTP FTP HTML
Selected Answer: Correct HTTP Answers:
Which of the following is an example of the "visual web"? Twitter Blogger Google Pinterest Facebook
Selected Answer: Correct Pinterest Answers:
To use the analog telephone system for sending digital data, you must also use: DSL. a modem. a router. coaxial cable. twisted wire.
Selected Answer: Correct a modem. Answers:
________ integrate(s) disparate channels for voice communications, data communications, instant messaging, email, and electronic conferencing into a single experience. Telnet Virtual private networks Wireless networks Intranets Unified communications
orrect Unified communications
Approximately what percentage of U.S. households has high-speed broadband connections? 75 percent 10 percent 99 percent 25 percent 50 percent
75 percent
Which of the following statements about RFID is not true? Microchips embedded in RFIDs are used to store data. RFIDs transmit only over a short range. RFIDs use an antenna to transmit data. RFIDs can track individual units within a shipment. RFIDs require line-of-sight contact to be read
Selected Answer: Correct RFIDs require line-of-sight contact to be read. Answers:
The total amount of digital information that can be transmitted through any telecommunications medium is measured in: gigaflops. baud. ROM. Hertz. bps.
Selected Answer: Correct bps. Answers:
IPv6 was developed in order to: update the packet transmission protocols for higher bandwidth. support Internet2. create more IP addresses. allow for different levels of service. support Web 3.0.
Selected Answer: Correct create more IP addresses. Answers:
Which of the following is not a characteristic of packet switching? Answers: Packets travel independently of each other. Packet switching makes efficient use of a network's communications capacity. Packet switching requires point-to-point circuits. Packets are routed through many different paths. Packets include data for checking transmission errors
Correct Packet switching requires point-to-point circuits.
Which of the following statements is not true about search engines? They have solved the problem of how users instantly find information on the Internet. They are arguably the Internet's "killer app." They emerged in the early 1990s as simple software programs. They are monetized almost exclusively by search engine marketing. There are hundreds of search engines vying for user attention, with no clear leader having yet emerged.
Correct There are hundreds of search engines vying for user attention, with no clear leader having yet emerged.
The "Internet of Things" refers to: the microblogging trend, in which users exchange short text and pictures rather than longer and more in-depth content and text. a vision of a pervasive web in which common objects are connected to and controlled over the Internet. the rise in mobile gaming. the increasing focus on shopping as the major user activity on the Internet. the trend away from platform-independent web applications to mobile-device specific apps.
Correct a vision of a pervasive web in which common objects are connected to and controlled over the Internet.
The Internet is based on which three key technologies? Client/server computing, packet switching, and the development of communications standards for linking networks and computers TCP/IP, HTTP, and packet switching TCP/IP, HTML, and HTTP Client/server computing, packet switching, and HTTP HTTP, Web 3.0, and the mobile platform
Selected Answer: Correct Client/server computing, packet switching, and the development of communications standards for linking networks and computers Answers:
Based on your reading of the examples in the chapter, what would be the best use of RFID for a business? Managing the supply chain Lowering network costs Enabling client communication Monitoring wireless computer networks Logging transactions
Selected Answer: Correct Managing the supply chain Answers:
Bandwidth is the: difference between the highest and lowest frequencies that can be accommodated on a single channel. number of cycles per second that can be sent through a medium. number of frequencies that can be broadcast through a medium. number of packets sent per minute over a medium. total number of bytes that can be sent through a medium per second.
Selected Answer: Correct difference between the highest and lowest frequencies that can be accommodated on a single channel. Answers:
Together, a protocol prefix, a domain name, a directory path, and a document name, are called a(n): VPN. third level domain. IP address. root domain. uniform resource locator.
Selected Answer: Correct uniform resource locator. Answers:
A network that covers entire geographical regions is most commonly referred to as a(n): wide area network. intranet. local area network. peer-to-peer network. metropolitan area network.
Selected Answer: Correct wide area network. Answers:
