Topic: Cryptography and Network Security
Match the following in the context of Information Security.
(i) Non-repudiation
(ii) Data Integrity
(iii) Data Confidentiality
(iv) Access Control
(P) Protection of data from unauthorised disclosure
(Q) Prevention of unauthorised use of a resource
(R) Protection against denial by one of the entities involved in a communication having participated in all or part of communication
(S) Assurance that data arrived are exactly as sent by authorised entity
- A. (i)-(R), (ii)-(P), (iii)-(Q), (iv)-(S)
- B. (i)-(R), (ii)-(S), (iii)-(P), (iv)-(Q)
- C. (i)-(P), (ii)-(R), (iii)-(S), (iv)-(Q)
- D. (i)-(R), (ii)-(Q), (iii)-(P), (iv)-(S)
Answer: B. (i)-(R), (ii)-(S), (iii)-(P), (iv)-(Q)
Explanation: The standard definitions in Information Security are:
(i) Non-repudiation -> (R) Protection against denial by an entity involved in a communication.
(ii) Data Integrity -> (S) Assurance that data arrived exactly as sent (no unauthorized modification).
(iii) Data Confidentiality -> (P) Protection of data from unauthorized disclosure.
(iv) Access Control -> (Q) Prevention of unauthorized use of a resource.