Management Information Systems, 12e (Laudon) Chapter 7 Telecommunications, the Internet, and Wireless Technology
1) Telephone networks are fundamentally different from computer networks. Answer: TRUE Diff: 2 a!e Ref: 2"# AA$%&: Use of 'T $A%E: $omprehension (*ecti+e: #.1 2) 'ncreasin!ly, +oice, +ideo, and data communications are all ased on 'nternet technolo!y. Answer: TRUE Diff: 1 a!e Ref: 2"# AA$%&: Use of 'T $A%E: $omprehension (*ecti+e: #.1 -) To create a computer network, you must ha+e at least two computers. Answer: TRUE Diff: 2 a!e Ref: 2"# AA$%&: Use of 'T $A%E: $omprehension (*ecti+e: #.1 ") An (% must reside on a dedicated ser+er computer in order to mana!e a network. Answer: /A0%E Diff: 2 a!e Ref: 2" AA$%&: Use of 'T $A%E: $omprehension (*ecti+e: #.1 ) A hu is a networkin! de+ice that connects network components and is used to filter and forward data to specified destinations on the network. Answer: /A0%E Diff: 2 a!e Ref: 2" AA$%&: Use of 'T $A%E: $omprehension (*ecti+e: #.1 3) 'n a client4ser+er network, a network ser+er p ro+ides e+ery connected client with an address so it can e found y others on the network. Answer: TRUE Diff: 2 a!e Ref: 2-5 AA$%&: Use of 'T $A%E: $omprehension (*ecti+e: #.1
#) $entral lar!e mainframe computin! has lar!ely replaced client4ser+er computin!. Answer: /A0%E Diff: 2 a!e Ref: 25 AA$%&: Use of 'T $A%E: $omprehension (*ecti+e: #.1 ) $ircuit switchin! makes much more efficient use of the communications capacity of a network than does packet switchin!. Answer: /A0%E Diff: 1 a!e Ref: 25 AA$%&: Use of 'T $A%E: $omprehension (*ecti+e: #.1 6) A protocol is a standard set of rules and procedures for the control of communications co mmunications in a network. Answer: TRUE Diff: 1 a!e Ref: 21 AA$%&: Use of 'T $A%E: $omprehension (*ecti+e: #.1 15) Two computers usin! T$4' can communicate e+en if they are ased on different hardware and software platforms. Answer: TRUE Diff: 1 a!e Ref: 22 AA$%&: Use of 'T $A%E: $omprehension (*ecti+e: #.1 11) 'n a rin! topolo!y, one station transmits si!nals, which tra+el in oth directions alon! a sin!le transmission se!ment. Answer: /A0%E Diff: a!e Ref: 2" AA$%&: Use of 'T $A%E: $omprehension (*ecti+e: #.2 12) $oa7ial cale is similar to that used for cale tele+ision and consists of thickly insulated copper wire. Answer: TRUE Diff: 1 a!e Ref: 2 AA$%&: Use of 'T $A%E: $omprehension (*ecti+e: #.2
1-) /ier8optic cale is more e7pensi+e and harder to install than wire media. Answer: TRUE Diff: 2 a!e Ref: 2 AA$%&: Use of 'T $A%E: $omprehension (*ecti+e: #.2 1") The numer of cycles per second that can e sent throu!h any telecommunications medium is measured in kiloytes. Answer: /A0%E Diff: 2 a!e Ref: 2# AA$%&: Use of 'T $A%E: $omprehension (*ecti+e: #.2 1) The Domain ame %ystem 9D%) con+erts ' addresses to domain names. Answer: TRUE Diff: a!e Ref: 2 AA$%&: Use of 'T $A%E: $omprehension (*ecti+e: #.13) o' technolo!y deli+ers +ideo information in di!ital form usin! packet switchin!. Answer: TRUE Diff: 1 a!e Ref: 23" AA$%&: Use of 'T $A%E: $omprehension (*ecti+e: #.1#) ;e -.5 is a collaorati+e effort to add a layer of meanin! to the e7istin! ;e in order to reduce the amount of human in+ol+ement in searchin! for and processin! ;e information. Answer: TRUE Diff: 2 a!e Ref: 2# AA$%&: Reflecti+e Thinkin! $A%E: $omprehension (*ecti+e: #.1) ;i8/i enales users to freely roam from one hotspot to another e+en if the ne7t hotspot is usin! different ;i8/i network ser+ices. Answer: /A0%E Diff: a!e Ref: 2# AA$%&: Use of 'T $A%E: $omprehension (*ecti+e: #."
16) ;i A) T$4', ?T<0, and ?TT &) T$4', ?TT, and packet switchin! $) client4ser+er computin!, packet switchin!, and the de+elopment of communications standards for linkin! networks and computers D) client4ser+er computin!, packet switchin!, and ?TT Answer: $ Diff: 2 a!e Ref: 2 AA$%&: Use of 'T $A%E: $omprehension (*ecti+e: #.-
2-) The method of slicin! di!ital messa!es into parcels, transmittin! them alon! different communication paths, and reassemlin! them at their destinations is called A) multiple7in!. &) packet switchin!. $) packet routin!. D) AT<. Answer: & Diff: 1 a!e Ref: 25 AA$%&: Use of 'T $A%E: $omprehension (*ecti+e: #.2") The telephone system is an e7ample of a @@@@@@@@ network. A) peer8to8peer &) wireless $) packet8switched D) circuit8switched Answer: D Diff: 1 a!e Ref: 25 AA$%&: Use of 'T $A%E: $omprehension (*ecti+e: #.2 2) ;hich of the followin! is not a characteristic of packet switchin!> A) ackets tra+el independently of each other. &) ackets are routed throu!h many different paths. $) acket switchin! reuires point8to8point circuits. D) ackets include data for checkin! transmission errors. Answer: $ Diff: 2 a!e Ref: 25 AA$%&: Use of 'T $A%E: $omprehension (*ecti+e: #.1 23) 'n T$4', ' is responsile for A) disassemlin! and reassemlin! of packets durin! transmission. &) estalishin! an 'nternet connection etween two computers. $) mo+in! packets o+er the network. D) seuencin! the transfer of packets. Answer: A Diff: a!e Ref: 21 AA$%&: Use of 'T $A%E: $omprehension (*ecti+e: #.-
2#) 'n a telecommunications network architecture, a protocol is A) a de+ice that handles the switchin! of +oice and data in a local area network. &) a standard set of rules and procedures for control of communications in a ne twork. $) a communications ser+ice for microcomputer users. D) the main computer in a telecommunications network. Answer: & Diff: 2 a!e Ref: 21 AA$%&: Use of 'T $A%E: $omprehension (*ecti+e: #.1 2) ;hat are the four layers of the T$4' reference model> A) physical, application, transport, and network interface &) physical, application, 'nternet, and network interface $) application, transport, 'nternet, and network interface D) application, hardware, 'nternet, and network interface Answer: $ Diff: a!e Ref: 21822 AA$%&: Use of 'T $A%E: $omprehension (*ecti+e: #.26) ;hich si!nal types are represented y a continuous wa+eform> A) laser &) optical $) di!ital D) analo! Answer: D Diff: 2 a!e Ref: 22 AA$%&: Use of 'T $A%E: $omprehension (*ecti+e: #.1 -5) To use the analo! telephone system for sendin! di!ital data, you must also use A) a modem. &) a router. $) D%0. D) twisted wire. Answer: A Diff: 1 a!e Ref: 22 AA$%&: Use of 'T $A%E: $omprehension (*ecti+e: #.1