Antivirus programs hash files on a computer in order to detect which of the following activities?

In order to help prevent spam, a honeypot performs which of the following functions?

Which type of analysis is an antivirus program performing when it observes a file's activities in a sandbox or decompiles a file and analyzes its instructions?

Performing outbound spam filtering does which of the following for an organization?

Which of the following tools would NOT be useful in figuring out what spyware or viruses could be installed on a client's computer?

Which of the following reduces spam by rejecting mail from a specific ip addresses?

What is the maximum key length of AES?

To which component does the MUA(Mail User Agent) forward the mail while sending it to another host in the e-mail flow?

What is botnet?

Suppose you got a mail from someone saying that you have won a $1 billion and asking you to give him/her $4000 to claim your prize. Under which category does this type of spam mail lie?

Which is the Symmetric Algorithm used in cryptography?