All 3 please

QUESTION 4 What does nonrepudiation mean? failed logins are recorded in a log insufficient evidence exists to prove that a user took an action crashed processes are automatically restarted sufficient evidence exists such that a user cannot deny an action QUESTION5 Which of the following is tnot true about logging user and program actions on a computer? log data may be changed after the fact logging may act as a deterrent to user activity every action on a system is recorded in the kernel log log files may be deleted after the fact QUESTION6 What is the difference between authentication and accountability? accountability describes what you can do, and authentication records what you did e authentication proves who you are, and accountability records what you did accountability proves who you are, and authentication records what you did authentication describes what you can do, and accountability records what you did