Kendall Sad9 Pp 16 saaaad
-
Upload
danielle-fulton -
Category
Documents
-
view
228 -
download
1
Transcript of Kendall Sad9 Pp 16 saaaad
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
1/88
Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
1!Kendall & Kendall
Systems Analysis and Design, 9e
"uality #ssurance
and I$ple$entation
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
2/88
16-2Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
%earning b'ecti(es
) *ecogni+e the i$portance o users andanalysts ta-ing a total uality approach to
i$pro(e the uality o sot/are design and$aintenance.
) *eali+e the i$portance o docu$entation,testing, $aintenance, and auditing.
) nderstand ho/ ser(iceorientedarchitecture and cloud co$puting ischanging the nature o inor$ation syste$design.
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
3/88
16-3Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
%earning b'ecti(es
continued3) esign appropriate training progra$s or
users o the ne/ syste$.) *ecogni+e the di5erences a$ong physical
con(ersion strategies, and be able toreco$$end an appropriate one to a client.
) #ddress security, disaster preparedness,and disaster reco(ery concerns or
traditional and 6ebbased syste$s.) nderstand the i$portance o e(aluatingthe ne/ syste$, and be able to reco$$enda suitable e(aluation techniue to a client.
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
4/88
16-4Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
7a'or 8opics
) 9i: 9ig$a
) "uality assurance
) 6al-throughs
) 9tructure charts
) 7odules) ocu$entation
)8esting
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
5/88
16-5Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
7a'or 8opics continued3
) Clientser(er co$puting
) ;et/or- types
)
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
6/88
16-6Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
9i: 9ig$a
) # culture built on uality
) ses a topdo/n approach
) Pro'ect leader is called a =lac- =elt
) Pro'ect $e$bers are called
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
7/8816-7Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
E(ery 9yste$s #nalyst 9hould nderstandthe 7ethodology and Philosophy o 9i:
9ig$a >igure 1!.13
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
8/8816-8Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
*esponsibility or 8otal
"uality 7anage$ent) >ull organi+ational support o
$anage$ent $ust e:ist
) Early co$$it$ent to uality ro$the analyst and business users
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
9/8816-9Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
9tructured 6al-throughs
) ne o the strongest uality$anage$ent actions is to do structured
/al-throughs routinely) se peer re(ie/ers to $onitor the
syste$?s progra$$ing and o(erallde(elop$ent
) Point out proble$s
) #llo/ the progra$$er or analyst to $a-esuitable changes
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
10/8816-10Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
In(ol(ed in 9tructured
6al-throughs)8he person responsible or the part
o the syste$ being re(ie/ed
) # /al-through coordinator
) # progra$$er or analyst peer
) # peer /ho ta-es notes aboutsuggestions
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
11/8816-11Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
8he 8opo/n #pproach
)8opdo/n design allo/s thesyste$s analyst to ascertain
o(erall organi+ational ob'ecti(esand ho/ they are best $et in ano(erall syste$
)8he syste$ is di(ided intosubsyste$s and their reuire$ents
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
12/88
16-12Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
#d(antages o the 8op
o/n #pproach) #(oiding the chaos o atte$pting to
design a syste$ all at once
) Enables separate syste$s analysistea$s to /or- in parallel ondi5erent but necessary subsyste$s
) Pre(ents losing sight o /hat thesyste$ is suppose to do
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
13/88
16-13Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
7odular e(elop$ent
) =rea-ing the progra$$ing intological, $anageable portions or
$odules) 6or-s /ell /ith topdo/n design
) Each indi(idual $odule should be
unctionally cohesi(e,acco$plishing only one unction
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
14/88
16-14Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
#d(antages o 7odular
Progra$$ing) 7odules are easier to /rite and
debug
) 7odules are easier to $aintain
) 7odules are easier to graspbecause they are selcontained
subsyste$s
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
15/88
16-15Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
16/88
16-16Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
sing 9tructure Charts to
esign 9yste$s)8he reco$$ended tool or designing a
$odular, topdo/n syste$ is a structurechart
) # structure chart is si$ply a diagra$consisting o rectangular bo:es,representing the $odules, andconnecting lines
) ollo/ circle arro/s represent data beingpassed up and do/n the structure) >illedin circle arro/ represents a control
s/itch or @ag
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
17/88
16-17Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
# structure chart encourages topdo/n design using $odules >igure
1!.A3
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
18/88
16-18Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
9er(ice riented #rchitecture
9#3)8he 9# approach is to $a-e
indi(idual 9# ser(ices that are
unassociated or only loosely coupledto one another
) Each ser(ice e:ecutes one action
) Each ser(ice can be used in otherapplications /ithin the organi+ationor e(en in other organi+ations
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
19/88
16-19Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
9er(ice riented #rchitecture
9#3continued3
) # ser(ice can use certain deBned protocolsso that it can co$$unicate /ith otherser(ices
)8he burden o connecting ser(ices in auseul ashion, is a process calledorchestration
)8his can e(en be acco$plished by selectingser(ices ro$ a $enu o ser(ices and$onitoring the$ by setting up an 9#dashboard
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
20/88
16-20Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
9er(ice riented #rchitecture
9#3continued3
) In order to set up a 9#, ser(ices $ustbe
) 7odular) *eusable
) 6or- together /ith other $odulesinteroperability3
) #ble to be categori+ed and identiBed) #ble to be $onitored
) Co$ply /ith industryspeciBc standards
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
21/88
16-21Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
7odules in ser(iceoriented architectureare independent and can be ubiuitous
>igure 1!.43
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
22/88
16-22Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
9yste$ ocu$entation
) Procedure $anuals
)8he >%K%*E $ethod
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
23/88
16-23Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
Procedure 7anuals
)8he Englishlanguage co$ponent odocu$entation
) Key sections) Introduction
) o/ to use the sot/are
) 6hat to do i things go /rong
) # technical reerence section) #n inde:
) Inor$ation on ho/ to contact the $anuacturer
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
24/88
16-24Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
Procedure 7anuals
continued3) Procedure $anual co$plaints
)8hey are poorly organi+ed
) It is hard to Bnd needed inor$ation
)8he speciBc case in uestion does notappear in the $anual
)8he $anual is not /ritten in plainEnglish
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
25/88
16-25Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
8he >%K%*E 7ethod
) Collects inor$ation in categories
) Custo$s
)8ales
) 9ayings
) #rt or$s
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
26/88
16-26Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
Custo$s, 8ales, 9ayings, and #rt >or$s sed inthe >%K%*E 7ethod o ocu$entation #pply toInor$ation 9yste$s >igure 1!.D3
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
27/88
16-27Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
Choosing a esign and
ocu$entation 8echniue) Is it co$patible /ith e:isting
docu$entation
) Is it understood by others in theorgani+ation
) oes it allo/ you to return to
/or-ing on the syste$ ater youha(e been a/ay ro$ it or a periodo ti$e
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
28/88
16-28Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
Choosing a esign andocu$entation 8echniue
continued3) Is it suitable or the si+e o the
syste$ you are /or-ing on
) oes it allo/ or a structureddesign approach i that isconsidered to be $ore i$portant
than other actors) oes it allo/ or easy $odiBcation
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
29/88
16-29Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
8esting, 7aintenance, and#uditing
)8he testing process
) 7aintenance practices
) #uditing
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
30/88
16-30Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
8he 8esting Process
) Progra$ testing /ith test data
) %in- testing /ith test data
) >ull syste$ testing /ith test data
) >ull syste$ testing /ith li(e data
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
31/88
16-31Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
Progra$$ers, #nalysts, perators, and sers #llPlay i5erent *oles in 8esting 9ot/are and9yste$s
>igure 1!.!3
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
32/88
16-32Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
Progra$ 8esting /ith 8est
ata) es- chec- progra$s
)8est /ith both (alid and in(alid
data
) Chec- output or errors and $a-eany needed corrections
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
33/88
16-33Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
%in- 8esting /ith 8est ata
) #lso reerred to as string testing
) Chec-s to see i progra$s that are
interdependent actually /or-together as planned
)8est or nor$al transactions
)8est /ith in(alid data
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
34/88
16-34Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
>ull 9yste$ 8esting /ith
8est ata) #deuate docu$entation in
procedure $anuals
) #re procedure $anuals clearenough
) o /or- @o/s actually F@o/G
) Is output correct and do usersunderstand this output
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
35/88
16-35Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
>ull 9yste$ 8esting /ith
%i(e ata) Co$parison o the ne/ syste$?s
output /ith /hat you -no/ to be
correctly processed output) nly s$all a$ounts o li(e data
are used
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
36/88
16-36Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
7aintenance Practices
) *educe $aintenance costs
) I$pro(e the e:isting sot/are
) pdate sot/are in response to thechanging organi+ation
) Ensure channels or eedbac-
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
37/88
16-37Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
#uditing
) a(ing an e:pert /ho is not in(ol(ed insetting up or using the syste$ e:a$ineinor$ation in order to ascertain its
reliability)8here are internal and e:ternal auditors) Internal auditors study the controls used in
the inor$ation syste$ to $a-e sure thatthey are adeuate
) E:ternal auditors are used /hen theinor$ation syste$ processes data thatin@uences a co$pany?s Bnancial state$ents
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
38/88
16-38Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
I$ple$enting istributed9yste$s
) Can be concei(ed o as anapplication o teleco$$unications
) Includes /or- stations that canco$$unicate /ith each other and/ith data processors
) 7ay ha(e di5erent hierarchical
architectural conBgurations o dataprocessors that co$$unicate /ithone another
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
39/88
16-39Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
Client9er(er 8echnology
)8he clientser(er $odel reers to adesign $odel that can be thought
o as applications running on anet/or-
)8he client is a net/or-ed co$puter
that uses s$all progra$s to dorontend processing, includingco$$unicating /ith the user
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
40/88
16-40Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
Client9er(er 7odel
#d(antages,isad(antages) #d(antageHgreater co$puterpo/er and greater opportunity to
custo$i+e applications) isad(antageH$ore e:pensi(e
and applications $ust be /ritten as
t/o separate sot/are co$ponentseach running on separate$achines
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
41/88
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
42/88
16-42Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
Cloud Co$puting
) rgani+ations and indi(idual userscan use
) 6eb ser(ices) atabase ser(ices
) #pplication ser(ices o(er the Internet
) one /ithout ha(ing to in(est incorporate or personal hard/are,sot/are, or sot/are tools
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
43/88
16-43Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
Cloud Co$puting >igure
1!.3
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
44/88
16-44Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
Cloud Co$puting
) # large collection o corporateusers 'ointly bear the lo/ered cost
) *eali+e increases in pea-loadcapacity
) Co$panies also hope to i$pro(e
their ability to peror$ disasterreco(ery
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
45/88
16-45Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
E*P and Cloud Co$puting
) 7any o the issues and challengesassociated /ith i$ple$enting E*P
syste$s can be $itigated by E*Po5erings that ta-e ad(antage ocloud co$puting
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
46/88
16-46Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
;et/or- 7odeling
) ra/ a net/or- deco$positiondiagra$ to pro(ide an o(er(ie/ o
the syste$) ra/ a hub connecti(ity diagra$
) E:plode the hub connecti(ity
diagra$ to sho/ the (arious/or-stations and ho/ they areconnected
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
47/88
16-47Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
se 9pecial 9y$bols 6hen ra/ing ;et/or-eco$position and ub Connecti(ity iagra$s>igure 1!.L3
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
48/88
16-48Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
# ;et/or- eco$position iagra$or 6orld?s 8rend >igure 1!.103
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
49/88
16-49Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
# ub Connecti(ity iagra$or 6orld?s 8rend >igure1!.113
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
50/88
16-50Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
# 6or-station Connecti(ity iagra$ or6orld?s 8rend >igure 1!.123
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
51/88
16-51Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
8raining
) 6ho to train
) People /ho train users
)8raining ob'ecti(es
)8raining $ethods
)8raining sites)8raining $aterials
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
52/88
16-52Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
6ho to 8rain
) #ll people /ho /ill ha(e pri$ary orsecondary use o the syste$
) Ensure that users o di5erent s-illle(els and 'ob interests areseparated
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
53/88
16-53Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
People 6ho 8rain sers
) Mendors
) 9yste$s analysts
) E:ternal paid trainers
) Inhouse trainers
)ther syste$ users
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
54/88
16-54Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
#ppropriate 8raining b'ecti(es, 7ethods, 9ites,and 7aterials #re Contingent on 7any >actors>igure 1!.1A3
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
55/88
16-55Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
Con(ersion 9trategies
) irect changeo(er
) Parallel con(ersion
)
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
56/88
16-56Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
>i(e Con(ersion 9trategies orInor$ation 9yste$s >igure 1!.143
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
57/88
16-57Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
irect Changeo(er
) ld syste$ stops, ne/ one starts
) ;eeds e:tensi(e testing
) *is-y approach to con(ersion) sers $ay resent being orced into
using an una$iliar syste$ /ithout
recourse) ;o adeuate /ay to co$pare ne/
results to old
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
58/88
16-58Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
Parallel Con(ersion
) *un the old and ne/ syste$s atthe sa$e ti$e
)8he ad(antage is that you canchec- ne/ data against old data
)8he disad(antage is doubling
e$ployees? /or-loads
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
59/88
16-59Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
60/88
16-60Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
7odular Prototype
Con(ersion) Each $odule is tested and put into
use
)8he ad(antage is that each $odule isthoroughly tested beore being used
) sers are a$iliar /ith each $odule
as it beco$es operational) b'ectoriented $ethodologies oten
use this approach
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
61/88
16-61Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
istributed Con(ersion
) 6hen there are $any installations o thesa$e syste$, such as at branch oNces
) Install sot/are at one oNce) #d(antage is that proble$s can be
detected and contained
) isad(antage is that e(en /hen one
con(ersion is successul, each site /illha(e its o/n peculiarities to /or- through
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
62/88
16-62Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
ther Con(ersionConsiderations
) rdering euip$ent
) rdering any e:ternal $aterials
supplied to the inor$ation syste$) #ppointing a $anager to super(ise
the preparation o the installation site
) Planning, scheduling, and super(isingprogra$$ers and data entrypersonnel
i ti l 7 t h 7 C t ib t t th
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
63/88
16-63Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
rgani+ational 7etaphors 7ay Contribute to the9uccess or >ailure o an Inor$ation 9yste$>igure 1!.1D3
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
64/88
16-64Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
9ecurity Concerns
) Physical security
) %ogical security
) =eha(ioral security
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
65/88
16-65Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
9ecurity Concerns
continued3) Physical security is securing the
co$puter acility, its euip$ent, andsot/are through physical $eans
) %ogical security reers to logical controlsin the sot/are itsel
) =eha(ioral security is building and
enorcing procedures to pre(ent the$isusing o co$puter hard/are andsot/are
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
66/88
16-66Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
9pecial 9ecurityConsiderations orEco$$erce) Mirus protection sot/are
) E$ail Bltering products
) *% Bltering products
) >ire/alls, gate/ays, and (irtualpri(ate net/or-s
) Intrusion detection products
i l i
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
67/88
16-67Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
9pecial 9ecurityConsiderations orEco$$erce continued3) Mulnerability $anage$ent products
) 9ecurity technologies such as
secure soc-et layering 99%3 orauthentication
) Encryption technologies
) Public -ey inrastructure PKI3 useand obtaining a digital certiBcate
P i C id i
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
68/88
16-68Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
Pri(acy Considerations orEco$$erce
) 9tart /ith a corporate policy onpri(acy
) nly as- or inor$ation reuiredto co$plete the transaction
) 7a-e it optional or custo$ers to
Bll out personal inor$ation on the/ebsite
P i C id i
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
69/88
16-69Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
Pri(acy Considerations orEco$$erce continued3
) se sources that allo/ you toobtain anony$ous inor$ation
about classes o custo$ers) =e ethical
i * Pl i
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
70/88
16-70Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
isaster *eco(ery Planning
) Identiy tea$s responsible or$anaging a crisis
) Eli$inate single points o ailure) eter$ine data replication
technologies that $atch the
organi+ation?s ti$etable) Create detailed relocation and
transportation plans
i t * Pl i
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
71/88
16-71Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
isaster *eco(ery Planningcontinued3
) Pro(ide reco(ery solutions thatinclude an o5site location
) Ensure the physical andpsychological /ellbeing oe$ployees and others
Id ti 6h I
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
72/88
16-72Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
Identiy 6ho Is
*esponsible) 6hether business operations /ill continue
) o/ to support co$$unications
)6here people /ill be sent i the business isuninhabitable
) 6here personnel /ill go in an e$ergency
) 9eeing to the personal and psychological
needs) *estoring the $ain co$puting and /or-ingen(iron$ents
9i l P i t > il d
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
73/88
16-73Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
9ingle Points o >ailure andata *eplication 8echnologies
) *edundancy o data pro(ides the-ey or ser(ers running 6eb
applications) 9;#s and data $irroring
* l ti d 8 t ti
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
74/88
16-74Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
*elocation and 8ransportationPlans
) 9end e$ployees ho$e
) *e$ain on site
) *elocate to a reco(ery acility
C i ti Ch l
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
75/88
16-75Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
Co$$unication Channels
) E$ail
) E$ergency inor$ation 6eb page
) E$ergency hotline
) E$ergency response agencies
* 9 l ti d
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
76/88
16-76Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
*eco(ery 9olutions and9upport or the 6ell=eing oE$ployees) *eco(ery in(ol(es an o5site
location and con(erting paper
docu$ents to digital or$ats) 6ellbeing o e$ployees $ight
include pro(iding /ater or saety
-its
E l ti 8 h i
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
77/88
16-77Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
E(aluation 8echniues
) CostbeneBt analysis
) *e(ised decision e(aluation
approach) ser in(ol(e$ent e(aluations
)8he inor$ation syste$ utility
approach
I ti 9 t tilit
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
78/88
16-78Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
Inor$ation 9yste$ tility
#pproach) Possession) >or$
) Place)8i$e
) #ctuali+ation
)
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
79/88
16-79Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
Inor$ation 9yste$ tility
#pproach continued3) Possession utility ans/ers the
uestion o /ho should recei(e output
)
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
80/88
16-80Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
Inor$ation 9yste$ tility
#pproach continued3) >or$ utility ans/ers the uestion
o /hat -ind o output is
distributed to the decision $a-er)8i$e utility ans/ers the uestion
o /hen inor$ation is deli(ered
) #ctuali+ation utility in(ol(es ho/the inor$ation is introduced andused by the decision $a-er
6ebsite E aluation
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
81/88
16-81Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
6ebsite E(aluation
) Kno/ ho/ oten the /ebsite is(isited
) %earn details about speciBc pageson the site
) >ind out $ore about the /ebsite?s
(isitors
6ebsite E(aluation
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
82/88
16-82Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
6ebsite E(aluationcontinued3
) isco(er i (isitors can properly Bllout the or$s you designed
) >ind out /ho is reerring /ebsite(isitors to the client?s site
) eter$ine /hat bro/sers (isitorsare using
) >ind out i the client?s /ebsite(isitors are interested in ad(ertising
9u$$ary
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
83/88
16-83Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
9u$$ary
)8"7
) esigning syste$s and sot/are /ith a
topdo/n, $odular approach) esigning and docu$enting syste$s
and sot/are using syste$atic $ethods
)8esting syste$s and sot/are so that
they can be easily $aintained andaudited
9u$$ary continued3
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
84/88
16-84Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
9u$$ary continued3
) 9i: 9ig$a) eBne the proble$
) bser(e the proble$) #naly+e the causes
) #ct on the causes
) 9tudy the results
) 9tandardi+e the changes
) ra/ conclusions
9u$$ary continued3
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
85/88
16-85Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
9u$$ary continued3
) 9tructure charts
) Procedure $anuals
) >%K%*E
)8esting
) 9yste$ $aintenance
) #uditing
9u$$ary
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
86/88
16-86Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
9u$$ary
) I$ple$entation) istributed syste$s
) Clientser(er
)8raining users and personnel) Con(ersion
) irect changeo(er) Parallel
) Phased)
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
87/88
16-87Kendall & Kendall Copyright 2014 Pearson Education, Inc. Publishing as Prentice all
9u$$ary continued3
) 9ecurity
) Physical
) %ogical) =eha(ioral
) rgani+ational $etaphors
) E(aluation
-
8/9/2019 Kendall Sad9 Pp 16 saaaad
88/88
Copyright 2014 Pearson Education, Inc.Copyright 2014 Pearson Education, Inc.
Publishing as Prentice allPublishing as Prentice all