You work as a Sales Manager for NetPerfect Inc. The company has a Windows-based network. You have to often send confidential e-mails and make online payments and purchases. You want to protect transmitted information and also to increase the security of e-mail communications. Which of the following programs or services will you use to accomplish the task?
Each correct answer represents a complete solution. Choose all that apply.
Alice wants to prove her identity to Bob. Bob requests her password as proof of identity, which Alice dutifully provides (possibly after some transformation like a hash function); meanwhile, Eve is eavesdropping the conversation and keeps the password. After the interchange is over, Eve connects to Bob posing as Alice; when asked for a proof of identity, Eve sends Alice's password read from the last session, which Bob accepts. Which of the following attacks is being used by Eve?
You want to rename a file foo to the file bar and move the file bar to the /tmp folder. Which of the following commands will you use to accomplish the task?
Which of the following is a set of exclusive rights granted by a state to an inventor or his assignee for a fixed period of time in exchange for the disclosure of an invention?
