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Accredited Test Bank Solution For Business Data Communications and Networking, 14th Edition FitzGerald [All Lessons Included]

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This is the official accredited test bank for Business Data Communications and Networking (14th Edition) by Jerry FitzGerald, Alan Dennis, and Alexandra Durcikova. It contains 300+ multiple-choice questions with verified answers and detailed explanations. All chapters and units (Ch. 1–12) are included and organized to match the textbook structure. Chapters Covered: Introduction to Data Communications Application, Physical, Data Link, and Network Layers Wired & Wireless LANs, WANs, and Backbone Networks Network Design, Management, and Security Real-world OSI model questions and case-based scenarios Ideal for: Students, instructors, exam prep, certification review, networking classes, and IT training programs. Features: All 12 chapters included Covers OSI & TCP/IP models, protocols, topologies, and technologies Exam-ready MCQs with correct answers Real-world use cases and terminologies Includes explanations for complex topics like routing, switching, VLANs, DNS, DHCP, and more Based on latest edition (14th)

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Institution
Business Data Communications
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Business data communications











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Institution
Business data communications
Course
Business data communications

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Uploaded on
August 6, 2025
Number of pages
166
Written in
2025/2026
Type
Exam (elaborations)
Contains
Questions & answers

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Accredited Test Bank Solution For
u u u u




Business Data Communications and Net
u u u u




working, 14th Edition FitzGerald [AllLess
u u u u u




ons Included] u




Complete Chapter Solution Manual
u u u u



are Included (Ch.1 to Ch.12)
u u u u




 Rapid Download u




 Quick Turnaround
u




 Complete Chapters Provided
u u

, Table of Contents are Given Below
u u u u u




"BusinessuDatauCommunicationsuanduNetworking"u(14thuEdition)ubyuJerryuFitzGerald,uAlanuDennis,uanduAlexandr
auDurcikovauisustructureduintouseveraluchaptersuthatucoveruvariousuaspectsuofudataucommunicationsuandunetworkin
g.uTheuchaptersuareuorganizeduasufollows:

PartuOne:uIntroduction

1. IntroductionutouDatauCommunications

PartuTwo:uFundamentaluConcepts

2. ApplicationuLayer

3. PhysicaluLayer:uArchitectures,uDevices,uanduCircuits

4. DatauLinkuLayer

5. NetworkuanduTransportuLayers

PartuThree:uNetworkuTechnologies

6. NetworkuDesign

7. WireduanduWirelessuLocaluAreauNetworks

8. BackboneuNetworks

9. WideuAreauNetworks

PartuFour:uNetworkuManagement

10. TheuInternet

11. NetworkuSecurity

12. NetworkuManagement

Thisustructureduapproachuprovidesuaucomprehensiveuunderstandinguofudataucommunicationsuandunetworking,
integratingubothutheoreticaluconceptsuandupracticaluapplications.
u




PAGEu1

,PARTuONE:uINTRODUCTION
Chapteru1:uIntroductionutouDatauCommunications

1. Whatuisutheuprimaryufunctionuofudataucommunication?
o A)uDataustorage
o B)uDatauprocessing
o C)uDatautransmission
o D)uDatauretrieval

Answer:uC)uDatautransmission

Explanation:uDataucommunicationufocusesuonutheutransmissionuofudataubetweenudevices,uenablingui
nformationuexchange.

2. WhichuofutheufollowinguisuNOTuaucomponentuofudataucommunicationusystems?
o A)uMessage
o B)uSender
o C)uReceiver
o D)uProcessor

Answer:uD)uProcessor

Explanation:uTheumainucomponentsuincludeusender,ureceiver,umessage,umedium,uanduprotocol.u
Processoruisupartuofucomputingusystems,unotudirectlyuaudataucommunicationucomponent.

3. Whichulayeruisuresponsibleuforudatauencryptionuandudecryptionuinudataucommunication?
o A)uPhysicalulayer
o B)uDataulinkulayer
o C)uApplicationulayer
o D)uPresentationulayer

Answer:uD)uPresentationulayer

Explanation:uTheupresentationulayeruhandlesudatautranslation,uencryption,uandudecryption.

4. Whatuisubandwidthuinutheucontextuofudataucommunications?
o A)uTheuphysicaludistanceubetweenusenderuandureceiver
o B)uTheucapacityuofuaucommunicationuchannel
o C)uTheuspeeduatuwhichudatauisuprocessed
o D)uTheutypeuofuencodinguused

Answer:uB)uTheucapacityuofuaucommunicationuchannel

Explanation:uBandwidthurefersutoutheumaximumurateuofudatautransferuacrossuaugivenupath.

5. Whichumediumuisuconsidereduauguidedutransmissionumedium?
o A)uRadiouwaves
o B)uMicrowave
o C)uFiberuopticucables
o D)uSatellite
PAGEu2

, Answer:uC)uFiberuopticucables

Explanation:uGuidedumediauareuphysicalupathwaysulikeufiberuoptics,utwistedupair,uorucoaxialucables.

6. WhatudoesutheuOSIumodelustandufor?
o A)uOpenuSystemsuInterconnection
o B)uOpenuSourceuInterface
o C)uOperatinguSystemsuInternational
o D)uOptimaluSystemsuIntegration

Answer:uA)uOpenuSystemsuInterconnection

Explanation:uTheuOSIumodeluisuauconceptualuframeworkuusedutouunderstandunetworkuinteractionsuinus
evenulayers.

7. Whichuofutheufollowingubestudefinesuauprotocol?
o A)uAutypeuofunetworkuhardware
o B)uAusetuofurulesuforudataucommunication
o C)uAuprogrammingulanguage
o D)uAusecurityumeasure

Answer:uB)uAusetuofurulesuforudataucommunication

Explanation:uProtocolsudictateuhowudatauisutransmitteduandureceiveduacrossuaunetwork.

8. Whichuofutheseuisuanuexampleuofuanuapplicationulayeruprotocol?
o A)uTCP
o B)uIP
o C)uHTTP
o D)uEthernet

Answer:uC)uHTTP

Explanation:uHTTPuoperatesuatutheuapplicationulayer,ufacilitatinguwebucommunications.

9. Inudataucommunications,uwhatudoesulatencyureferuto?
o A)uDataulossuduringutransmission
o B)uDelayubetweenusendinguandureceivingudata
o C)uMaximumudataurate
o D)uSecurityuofudatautransmission

Answer:uB)uDelayubetweenusendinguandureceivingudata

Explanation:uLatencyuisutheutimeutakenuforudatautoutravelufromusourceutoudestination.

10. Whichuofutheufollowinguisuaubenefituofuusingufiberuopticucablesuoverucopperucables?
o A)uLowerucost
o B)uGreateruelectromagneticuinterference
o C)uHigherubandwidth
o D)uEasieruinstallation
PAGEu3

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