Question 4Which statement best describes Authentication?1 pointAssurance that a resource can be accessed and usedProtection against denial by one of the parties in communicationAssurance that the communicating entity is the one claimedPrevention of unauthorized use of a resource5.Question 5Trusted functionality, security labels, event detection, security audit trails and security recovery are all examples of which type of security mechanism?1 pointContingent security mechanismExternal security mechanismActive security mechanismPassive security mechanism

Trusted functionality, security labels, event detection and security audit trails are all considered which?1 pointPervasive security mechanismsBusiness PolicySpecific security mechanismsSecurity Policy16.Question 16Cryptography, digital signatures, access controls and routing controls considered which?1 pointBusiness PolicySpecific security mechanismsPervasive security mechanismsSecurity Policy

Different Security services and Security mechanisms are given below.S. No.   Security Services                     S. No.    Security Mechanism      Authentication                              1.    Encipherment      Access Control                              2.    Digital Signature     Confidentiality                               3.    Authentication Exchange     Data Integrity                                4.    Access Control     Non-repudiation                           5.    Routing Control     Availability                                     6.    Data IntegrityWhich is incorrect relationship between security services and security mechanisms?Group of answer choices1 – 1, 2 - 4, 3 – 1, 4 – 1, 5 - 2, 6 – 3.1 – 2, 2 - 4, 3 – 5, 4 – 1, 5 - 2, 6 – 6.1 – 3, 2 - 4, 3 – 1, 4 – 6, 5 - 2, 6 – 31 – 4, 2 - 4, 3 – 2, 4 – 6, 5 - 2, 6 – 6.

Which of the following is NOT an authentication method?1 pointSomething you areSomething you getSomething you haveSomething you know

Which of the following elements of cryptography assures the trustworthiness of data and resources in terms of preventing improper and unauthorized changes?Group of answer choicesNonrepudiationIntegrityConfidentialityAuthentication

Which of the following is an important security requirement for a system that provides authentication services for critical applications or devices?Group of answer choicesAuthenticityIntegrityConfidentialityAvailability