Which of the following security service cannot be ensured by Encipherment:

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

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.

_________ prevents or inhibits the normal use or management of communications facilities.Group of answer choicesPassive attackSocial EngineeringInterceptionDenial of service

_____ ensures that information can only be obtained by authorized users. A. Integrity B. Confidentiality C. Availability D. Controllability

Which security technology could you use to protect against enumeration on services?This type of question contains radio buttons and checkboxes for selection of options. Use Tab for navigation and Enter or space to select the option.optionAEDRoptionBAnti‐malwareoptionCIDSoptionDHost‐based firewall