Cryptography #ctand #ctNetwork #ctSecurity: # c t Principles #ctand #ctPractice, #ct8th #ctEdition,
#ctby #ctWilliam #ctStallings
CHAPTER 1: COMPUTER AND NETWORK SECURITY CONCEPTS
TRUE OR FALSE
T F 1. The OSI security architecture focuses on security attacks,
mechanisms, and services.
T F 2. Security attacks are classified as either passive or aggressive.
T F 3. Cybersecurity strives to ensure the attainment and maintenance of
the security properties of the organization and users’ assets against
relevant security risks in the cyberspace environment.
T F 4. Information security and network security are subsets of
cybersecurity.
T F 5. Data authenticity assures that private or confidential information is
not made available or disclosed to unauthorized individuals.
T F 6. The OSI security architecture focuses on security attacks,
mechanisms, and services.
T F 7. An active attack attempts to alter system resources or affect their
operation.
T F 8. Authentication exchange is the use of a trusted third party to
assure certain properties of a data exchange.
T F 9. A loss of integrity is the unauthorized modification or destruction
of information.
T F 10. The emphasis in dealing with active attacks is on prevention
rather than detection.
T F 11. The connection-oriented integrity service addresses both
message stream modification and denial of service.
T F 12. The denial of service prevents or inhibits the normal use or
management of communication facilities.
T F 13. Integrity can apply to a stream of messages, a single message, or
© #ct2020 #ctPearson #ctEducation, #ctInc., #ctHoboken, #ctNJ. #ctAll #ctrights #ctreserved. #ctThis #ctmaterial #ctis
#ctprotected #ctunder #ctall #ctcopyright #ctlaws #ctas #ctthey #ctcurrently #ctexist.
No #ctportion #ctof #ctthis #ctmaterial #ctmay #ctbe #ctreproduced, #ctin #ctany #ctform #ctor #ctby #ctany #ctmeans,
#ctwithout #ctpermission #ctin #ctwriting #ctfrom #ctthe #ctpublisher.
SCHOLARVAULT
,Cryptography #ctand #ctNetwork #ctSecurity: # c t Principles #ctand #ctPractice, #ct8th #ctEdition,
#ctby #ctWilliam #ctStallings
selected #ctfields #ctwithin #cta #ctmessage.
T F 14. #ctPassive #ctattacks #ctare #ctvery #cteasy #ctto #ctdetect #ctbecause
#ctthey #ctinvolve #ctalteration #ctof #ctthe #ctdata.
T F 15. #ctSecurity #ctservices #ctimplement #ctsecurity #ctpolicies
#ctand #ctare #ctimplemented #ctby #ctsecurity
#ctmechanisms.
MULTIPLE #ctCHOICE
1. is #ctthe #ctcollection #ctof #cttools, #ctpolicies, #ctsecurity #ctconcepts,
#ctsecurity #ctsafeguards, #ctguidelines, #ctrisk #ctmanagement #ctapproaches,
#ctactions, #cttraining, #ctbest #ctpractices, #ctassurance, #ctand #cttechnologies #ctthat
#ctcan #ctbe #ctused #ctto #ctprotect #ctthe #ctcyberspace #ctenvironment #ctand
#ctorganization #ctand #ctusers’ #ctassets.
A) Access #ctcontrol B) # c t Data #ctauthenticity
C) # c t Cybersecurity D) # c t Authentication
2. A #ctcommon #cttechnique #ctfor #ctmasking #ctcontents #ctof #ctmessages #ctor #ctother
#ctinformation #cttraffic #ctso #ctthat #ctopponents #ctcan #ctnot #ctextract #ctthe
#ctinformation #ctfrom #ctthe #ctmessage #ctis
.
A) integrity B) #ctencryption
C) #ctanalysis D) #ctmasquerade
3. involves #ctthe #ctpassive #ctcapture #ctof #cta #ctdata #ctunit #ctand #ctits
#ctsubsequent #ctretransmission #ctto #ctproduce #ctan #ctunauthorized #cteffect.
A) Disruption B) #ctReplay
C) #ctService #ctdenial D) #ctMasquerade
4. is #cta #ctbranch #ctof #ctmathematics #ctthat #ctdeals #ctwith #ctthe #cttransformation #ctof
© #ct2020 #ctPearson #ctEducation, #ctInc., #ctHoboken, #ctNJ. #ctAll #ctrights #ctreserved. #ctThis #ctmaterial #ctis
#ctprotected #ctunder #ctall #ctcopyright #ctlaws #ctas #ctthey #ctcurrently #ctexist.
No #ctportion #ctof #ctthis #ctmaterial #ctmay #ctbe #ctreproduced, #ctin #ctany #ctform #ctor #ctby #ctany #ctmeans,
#ctwithout #ctpermission #ctin #ctwriting #ctfrom #ctthe #ctpublisher.
SCHOLARVAULT
,Cryptography #ctand #ctNetwork #ctSecurity: # c t Principles #ctand #ctPractice, #ct8th #ctEdition,
#ctby #ctWilliam #ctStallings
data.
#ct
A) Cryptography B) #ctModularity
© #ct2020 #ctPearson #ctEducation, #ctInc., #ctHoboken, #ctNJ. #ctAll #ctrights #ctreserved. #ctThis #ctmaterial #ctis
#ctprotected #ctunder #ctall #ctcopyright #ctlaws #ctas #ctthey #ctcurrently #ctexist.
No #ctportion #ctof #ctthis #ctmaterial #ctmay #ctbe #ctreproduced, #ctin #ctany #ctform #ctor #ctby #ctany #ctmeans,
#ctwithout #ctpermission #ctin #ctwriting #ctfrom #ctthe #ctpublisher.
SCHOLARVAULT
, Cryptography #ctand #ctNetwork #ctSecurity: # c t Principles #ctand #ctPractice, #ct8th #ctEdition,
#ctby #ctWilliam #ctStallings
C) #ctEncapsulation D) #ctEncryption
5. A #ctloss #ctof #ct is #ctthe #ctunauthorized #ctdisclosure #ctof #ctinformation.
A) authenticity B) #ctconfidentiality
C) #ctreliability D) #ctintegrity
6. Verifying #ctthat #ctusers #ctare #ctwho #ctthey #ctsay #ctthey #ctare #ctand #ctthat #cteach
#ctinput #ctarriving #ctat #ctthe #ctsystem #ctcame #ctfrom #cta #cttrusted #ctsource #ctis #ct .
A) authenticity B) #ctcredibility
C) #ctaccountability D) #ctintegrity
7. A #ct is #cta #ctvalue #ctcomputed #ctwith #cta #ctcryptographic #ctalgorithm #ctand
#ctassociated #ctwith #cta #ctdata #ctobject #ctin #ctsuch #cta #ctway #ctthat #ctany #ctrecipient
#ctof #ctthe #ctdata #ctcan #ctuse #ctthe #ctsignature #ctto #ctverify #ctthe #ctdata’s #ctorigin #ctand
#ctintegrity.
A) key #ctexchange B) #ctdigital #ctsignature
C) #ctmessage #ctauthentication #ctcode D) #ctnotarization
8. A #ct is #ctany #ctaction #ctthat #ctcompromises #ctthe #ctsecurity #ctof #ctinformation
#ctowned #ctby #ctan #ctorganization.
A) security #ctattack B) #ctsecurity #ctservice
C) #ctsecurity #ctalert D) #ctsecurity #ctmechanism
9. A #ct takes #ctplace #ctwhen #ctone #ctentity #ctpretends #ctto #ctbe #cta #ctdifferent #ctentity.
A) replay B) #ctmasquerade
C) #ctservice #ctdenial D) #ctpassive #ctattack
10. is #ctthe #ctprotection #ctof #cttransmitted #ctdata #ctfrom #ctpassive #ctattacks.
© #ct2020 #ctPearson #ctEducation, #ctInc., #ctHoboken, #ctNJ. #ctAll #ctrights #ctreserved. #ctThis #ctmaterial #ctis
#ctprotected #ctunder #ctall #ctcopyright #ctlaws #ctas #ctthey #ctcurrently #ctexist.
No #ctportion #ctof #ctthis #ctmaterial #ctmay #ctbe #ctreproduced, #ctin #ctany #ctform #ctor #ctby #ctany #ctmeans,
#ctwithout #ctpermission #ctin #ctwriting #ctfrom #ctthe #ctpublisher.
SCHOLARVAULT
#ctby #ctWilliam #ctStallings
CHAPTER 1: COMPUTER AND NETWORK SECURITY CONCEPTS
TRUE OR FALSE
T F 1. The OSI security architecture focuses on security attacks,
mechanisms, and services.
T F 2. Security attacks are classified as either passive or aggressive.
T F 3. Cybersecurity strives to ensure the attainment and maintenance of
the security properties of the organization and users’ assets against
relevant security risks in the cyberspace environment.
T F 4. Information security and network security are subsets of
cybersecurity.
T F 5. Data authenticity assures that private or confidential information is
not made available or disclosed to unauthorized individuals.
T F 6. The OSI security architecture focuses on security attacks,
mechanisms, and services.
T F 7. An active attack attempts to alter system resources or affect their
operation.
T F 8. Authentication exchange is the use of a trusted third party to
assure certain properties of a data exchange.
T F 9. A loss of integrity is the unauthorized modification or destruction
of information.
T F 10. The emphasis in dealing with active attacks is on prevention
rather than detection.
T F 11. The connection-oriented integrity service addresses both
message stream modification and denial of service.
T F 12. The denial of service prevents or inhibits the normal use or
management of communication facilities.
T F 13. Integrity can apply to a stream of messages, a single message, or
© #ct2020 #ctPearson #ctEducation, #ctInc., #ctHoboken, #ctNJ. #ctAll #ctrights #ctreserved. #ctThis #ctmaterial #ctis
#ctprotected #ctunder #ctall #ctcopyright #ctlaws #ctas #ctthey #ctcurrently #ctexist.
No #ctportion #ctof #ctthis #ctmaterial #ctmay #ctbe #ctreproduced, #ctin #ctany #ctform #ctor #ctby #ctany #ctmeans,
#ctwithout #ctpermission #ctin #ctwriting #ctfrom #ctthe #ctpublisher.
SCHOLARVAULT
,Cryptography #ctand #ctNetwork #ctSecurity: # c t Principles #ctand #ctPractice, #ct8th #ctEdition,
#ctby #ctWilliam #ctStallings
selected #ctfields #ctwithin #cta #ctmessage.
T F 14. #ctPassive #ctattacks #ctare #ctvery #cteasy #ctto #ctdetect #ctbecause
#ctthey #ctinvolve #ctalteration #ctof #ctthe #ctdata.
T F 15. #ctSecurity #ctservices #ctimplement #ctsecurity #ctpolicies
#ctand #ctare #ctimplemented #ctby #ctsecurity
#ctmechanisms.
MULTIPLE #ctCHOICE
1. is #ctthe #ctcollection #ctof #cttools, #ctpolicies, #ctsecurity #ctconcepts,
#ctsecurity #ctsafeguards, #ctguidelines, #ctrisk #ctmanagement #ctapproaches,
#ctactions, #cttraining, #ctbest #ctpractices, #ctassurance, #ctand #cttechnologies #ctthat
#ctcan #ctbe #ctused #ctto #ctprotect #ctthe #ctcyberspace #ctenvironment #ctand
#ctorganization #ctand #ctusers’ #ctassets.
A) Access #ctcontrol B) # c t Data #ctauthenticity
C) # c t Cybersecurity D) # c t Authentication
2. A #ctcommon #cttechnique #ctfor #ctmasking #ctcontents #ctof #ctmessages #ctor #ctother
#ctinformation #cttraffic #ctso #ctthat #ctopponents #ctcan #ctnot #ctextract #ctthe
#ctinformation #ctfrom #ctthe #ctmessage #ctis
.
A) integrity B) #ctencryption
C) #ctanalysis D) #ctmasquerade
3. involves #ctthe #ctpassive #ctcapture #ctof #cta #ctdata #ctunit #ctand #ctits
#ctsubsequent #ctretransmission #ctto #ctproduce #ctan #ctunauthorized #cteffect.
A) Disruption B) #ctReplay
C) #ctService #ctdenial D) #ctMasquerade
4. is #cta #ctbranch #ctof #ctmathematics #ctthat #ctdeals #ctwith #ctthe #cttransformation #ctof
© #ct2020 #ctPearson #ctEducation, #ctInc., #ctHoboken, #ctNJ. #ctAll #ctrights #ctreserved. #ctThis #ctmaterial #ctis
#ctprotected #ctunder #ctall #ctcopyright #ctlaws #ctas #ctthey #ctcurrently #ctexist.
No #ctportion #ctof #ctthis #ctmaterial #ctmay #ctbe #ctreproduced, #ctin #ctany #ctform #ctor #ctby #ctany #ctmeans,
#ctwithout #ctpermission #ctin #ctwriting #ctfrom #ctthe #ctpublisher.
SCHOLARVAULT
,Cryptography #ctand #ctNetwork #ctSecurity: # c t Principles #ctand #ctPractice, #ct8th #ctEdition,
#ctby #ctWilliam #ctStallings
data.
#ct
A) Cryptography B) #ctModularity
© #ct2020 #ctPearson #ctEducation, #ctInc., #ctHoboken, #ctNJ. #ctAll #ctrights #ctreserved. #ctThis #ctmaterial #ctis
#ctprotected #ctunder #ctall #ctcopyright #ctlaws #ctas #ctthey #ctcurrently #ctexist.
No #ctportion #ctof #ctthis #ctmaterial #ctmay #ctbe #ctreproduced, #ctin #ctany #ctform #ctor #ctby #ctany #ctmeans,
#ctwithout #ctpermission #ctin #ctwriting #ctfrom #ctthe #ctpublisher.
SCHOLARVAULT
, Cryptography #ctand #ctNetwork #ctSecurity: # c t Principles #ctand #ctPractice, #ct8th #ctEdition,
#ctby #ctWilliam #ctStallings
C) #ctEncapsulation D) #ctEncryption
5. A #ctloss #ctof #ct is #ctthe #ctunauthorized #ctdisclosure #ctof #ctinformation.
A) authenticity B) #ctconfidentiality
C) #ctreliability D) #ctintegrity
6. Verifying #ctthat #ctusers #ctare #ctwho #ctthey #ctsay #ctthey #ctare #ctand #ctthat #cteach
#ctinput #ctarriving #ctat #ctthe #ctsystem #ctcame #ctfrom #cta #cttrusted #ctsource #ctis #ct .
A) authenticity B) #ctcredibility
C) #ctaccountability D) #ctintegrity
7. A #ct is #cta #ctvalue #ctcomputed #ctwith #cta #ctcryptographic #ctalgorithm #ctand
#ctassociated #ctwith #cta #ctdata #ctobject #ctin #ctsuch #cta #ctway #ctthat #ctany #ctrecipient
#ctof #ctthe #ctdata #ctcan #ctuse #ctthe #ctsignature #ctto #ctverify #ctthe #ctdata’s #ctorigin #ctand
#ctintegrity.
A) key #ctexchange B) #ctdigital #ctsignature
C) #ctmessage #ctauthentication #ctcode D) #ctnotarization
8. A #ct is #ctany #ctaction #ctthat #ctcompromises #ctthe #ctsecurity #ctof #ctinformation
#ctowned #ctby #ctan #ctorganization.
A) security #ctattack B) #ctsecurity #ctservice
C) #ctsecurity #ctalert D) #ctsecurity #ctmechanism
9. A #ct takes #ctplace #ctwhen #ctone #ctentity #ctpretends #ctto #ctbe #cta #ctdifferent #ctentity.
A) replay B) #ctmasquerade
C) #ctservice #ctdenial D) #ctpassive #ctattack
10. is #ctthe #ctprotection #ctof #cttransmitted #ctdata #ctfrom #ctpassive #ctattacks.
© #ct2020 #ctPearson #ctEducation, #ctInc., #ctHoboken, #ctNJ. #ctAll #ctrights #ctreserved. #ctThis #ctmaterial #ctis
#ctprotected #ctunder #ctall #ctcopyright #ctlaws #ctas #ctthey #ctcurrently #ctexist.
No #ctportion #ctof #ctthis #ctmaterial #ctmay #ctbe #ctreproduced, #ctin #ctany #ctform #ctor #ctby #ctany #ctmeans,
#ctwithout #ctpermission #ctin #ctwriting #ctfrom #ctthe #ctpublisher.
SCHOLARVAULT
