BCIS 1305 BUSINESS COMPUTER APPLICATIONS
Homework 9
Part I
True/False
1. An IT infrastructure includes the hardware, software, and telecommunications
equipment that, when combined, provide the underlying foundation to support
the organization's goals.
a) True b) False
2. IT infrastructure is an easy term to define because it means the same thing
to all organizations.
a) True b) False
3. The disaster recovery cost curve charts (1) the cost to your organization of
the unavailability of information and technology and (2) the cost to your
organization of recovering from a disaster over time.
a) True b) False
4. A hot site is a separate facility that does not have any computer equipment
but is a place where the employees can move after the disaster.
a) True b) False
5. A collocation facility provides rented offsite data storage and recovery
solution to IT companies.
a) True b) False
6. The IT infrastructure once defined is usually sufficient for a number of
years.
a) True b) False
7. The IT infrastructure includes hardware but not software.
a) True b) False
8. Flexibility is how well your system can adapt to increased demands.
a) True b) False
9. Accessibility determines when your IT system will be available for users to
access.
a) True b) False
10. ERP systems provide integration among operations, sales, human resources,
and financial areas.
a) True b) False
11. ERP does not help with inventory management.
a) True b) False
12. One of the advantages of using an ERP system is that each department can
control its own database.
a) True b) False
13. A disaster recovery plan should consider the location of the backup
information.
a) True b) False
14. The IT architecture is the blueprint for translating a business strategy
into a plan.
a) True b) False
15. The IT architecture is the implementation of the IT infrastructure.
a) True b) False
16. The IT infrastructure deals with details of hardware and software
requirements.
a) True b) False
17. A 3-tier infrastructure is the most common approach for Web applications.
a) True b) False
18. An n-tier infrastructure starts with the 2-tier basic model adding
applications as needed.
a) True b) False
19. In a tiered infrastructure each layer duplicates another layer for
backup and recovery.
a) True b) False
20. Benchmarking is used to improve an IT system performance.
a) True b) False
PartII
MultipleChoice
21. WhattypeoftechnologywouldallowacustomerinaSOAenvironmentto
connecttoanycommunicationschannel(e.g.,faxorWeb)inanorganization?
a) Database
b) Internet
c) Plug-and-play
d) Telecommunicationrelay
22. AccordingtotheSOAphilosophy,whatisthemostimportantorganizational
resource?
a) Datawarehouses
b) Computerapplications
c) Information
d) People
23. Shouldyourtelecommunicationsplatformenableyoutoaccessanetwork
eitherwiredorwirelessly?
a) Itshoulddependontheapplicationbeingused
b) Itshoulddependonthelevelofsecurityneeded
c) No,theorganizationshouldsetpolicy
d) Yes
24.Whatdoesthe"ITstructurebeneathastructure"include?
a) Hardware,software,andinformation
b) Hardwareandsoftware
c) Softwareandinformation
d) Networkingsystemsanddatawarehouses
25. Whatwastherealsignificanceoffirst-generationERPsystems?
a) Speed
b) Accesstodata
c) Greateraccuracywithschedulingorders
d) Reducingtheneedforsuppliesfromvendors
26. WhichofthefollowingisnotaprimarygoalofanERPsystemwithina
service-orientedarchitecture?
a) ProvideinteroperabilitybetweendifferentvendorsofERPsystems
b) Opencommunicationsandaccesspointstocustomers
c) ConcealtheITinfrastructurethatsupportsERPsystems
d) ProvideinteroperabilitybetweenERPsystemswithinyourorganization
27. TheERPmarkethasbeengrowingatarateofatleast30%peryear.Why?
a) Advancesintechnology
b) AdvancesinDBMS
c) ThedevelopmentofBI
d) Globalization
28. WhatisthefundamentalunderlyinginfrastructureforanyITenvironment?
a) Databases
b) Software
c) Networks
d) Hardware
29. WhattypeofITinfrastructureinvolveslittleornosharingofITandother
computingresources?
a) Centralized
b) Distributed
c) Client/server
d) Decentralized
30. IfyouwereworkinginanenvironmentwhereeachITsystemwaspartitioned
intolayersandeachlayerperformedaspecificfunction,whattypeof
infrastructurewouldyoubeusing?
a) Distributed
b) Client/server
c) Decentralized
d) Tiered
31. Ifyourtaskwastodetermineifyourclothingstoredemonstrated
effectiveness,whichofthefollowingactivitieswouldyoumeasure?
a) Theleveloftrafficcomingintoyourstore
b) Thetimeittakestoprocesscustomer'spurchases
c) Thenumberofmistakesmadebyemployeesworkingthecashregister
d) Thenumberandamountofpurchasesmadebycustomerswhovisitthestore
32. Ifyourtaskwastodetermineifyourclothingstoredemonstrated
efficiency,whichofthefollowingactivitieswouldyoumeasure?
a) Thenumberoftimesacustomerwantsaparticularitemthatisnotin
inventory
b) Thenumberoftimesasalespersoncannotanswercustomerquestions
correctly
c) Thenumberofcustomerswhovisityourstore
d) Eachoftheseactivitiesmeasureefficiency
33. Whichinfrastructure-centricmetricmeasurestheaveragetimetorespondto
auser-generatedeventorrequest?
a) Responsetime
b) Accuracy
c) Criticalsuccessfactor
d) Scalability
34. Ifyouweretodeterminethenumberofpeoplewhoboughtsomeitemfromyour
Websiteandcomparethistothenumberofvisitors,whatmetricwouldyou
measure?
a) Hits
b) CPM
c) Buyerratio
d) Conversionrate
35. IfyouweretodeterminethenumberofvisitorstoyourWebsitewhoclicked
onanadvertisementyouplacedonyourpage,whatmetricwouldyoumeasure?
a) Conversionrate
b) Click-through
c) Adexposures
d) Cost-per-thousand
36. Whichcallcentermetricdeterminesthepercentageofcallerswhohangup
whilewaitingfortheircalltobeanswered?
a) Abandonrate
b) Lostcalls
c) Missedrate
d) Failuretoanswerrate(FAR)
37. Whattypeofmetriciscommonlyusedinthefinancialenvironments?
a) CRMmetrics
b) SCMmetrics
c) Capitalanalysisfinancialmodels
d) Accountingandeconomicmetrics
38. Whattypeofanalysisconsiderseachthreatandbuildsaworst-casescenario
foreach?
a) Impactscenarioanalysis
b) Threatanalysis
c) Impactanalysis
d) Requirementsrecoveryanalysis
39. Inwhatphaseofbusinesscontinuityplanning,wouldyoucreateadisaster
recoveryplan?
a) Design
b) Analysis
c) Requirements
d) Implementation
40. Canyoutestadisasterrecoverysolutionbeforeitisimplemented?
a) No,youcannevertestasolutionbeforeitisexecuted
b) Youcantestthepiercethatbelongstotheinformationsystemssolution
c) Youcantesttheinformationsystemssolutionanddrillsestablishedfor
employees
d) Yes,youshouldtestthesolutionandevaluatetheITsystem
Chapter 7 -Enterprise Infrastructure, Metrics, and Business Page 1 of 6