Q20: Digital signature provides a) authentication b) nonrepudiation c) both (a) and (b) d) neither (a) and (b) Explain: Q1: When the firm's purpose for their information infrastructure is to make its data and information available to those who are authorized to use it, the firm is seeking the objective of: a) confidentiality. b) availability. c) authorization. d) integrity. Q8: Which type of control establishes codes of conduct, and monitoring and preventing behavior that varies from the established guidelines? a) Informal control b) Formal control c) Access control d) Ethics control Explain: Q9: When integrity is lacking in a security system, occurs. a) Database hacking b) Data deletion c) Data tampering d) Data leakage Explain: Q10: Data is used to ensure confidentiality. a) Encryption b) Locking c) Deleting d) Backup Explain: Q11: Data integrity gets compromised when and controls are taken off/removed. a) Access control, file deletion b) Network, file permission c) Access control, file permission d) Network, system Explain