MIS352 Chapter 7

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

Application, Transport, Internet, and Network Interface

Which digital cellular standard is used widely throughout the world except the United States? LTD CDMA 4G GSM WLAN

GSM

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

a modem

Which of the following is the best description of a protocol in a telecommunications network architecture? A pathway through which packets are routed The main computer in a telecommunications network A device that handles the switching of voice and data in a local area network A standard set of rules and procedures for control of communications in a network A communications service for microcomputer users

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

The most common web server today is: Apache HTTP Server. IBM HTTP Server. Microsoft IIS. Netscape Server. WebSTAR.

apache http server

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

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

The telephone system is an example of a ________ network. packet-switched wireless circuit-switched peer-to-peer client/server

circuit-switched

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

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

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

digital

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

eight

A NOS must reside on a dedicated server computer in order to manage a network. True False

false

Shopping bots use ________ software for searching the Internet. Web 2.0 intelligent agent SEO Web 3.0 comparison

intelligent agent

Digital subscriber lines: are assigned to every computer on the Internet. operate over coaxial cable lines to deliver Internet access. are very-high-speed data lines typically leased from long-distance telephone companies. operate over existing telephone lines to carry voice, data, and video. have up to twenty-four 64-Kbps channels.

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

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

peer-to-peer

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

router

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? Router Switch NIC Hub Modem

switch

The child domain of the root is called the: domain extension. host name. second-level domain. top-level domain. mid-tier domain.

top-level domain

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

true

Computer networks are fundamentally different from telephone networks. True False

true

Digital rights activists believe "zero-rating" practices violate net neutrality principles. True False

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 False

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. True False

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. True False

true

The "Internet of Things" refers to a vision of a pervasive Web, in which common objects are connected to and controlled over the Internet. True False

true

The emerging Internet of People is based on sensors attached to clothing and personal effects that monitor physical states and locations of individuals. True False

true

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

true

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

unified communications

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

web server

Web browser software requests web pages from the Internet using which of the following protocols? URL HTTP HTML DNS FTP

HTTP

4G networks use which of the following standards? CDMA and PAN GSM and LTD T-Mobile and AT&T LTE and WiMax LTE and LTD

LTE and WiMax