Which of the following techniques are used by spammers to find valid/existent email addresses?

Which technique help in cases of address forgery?

Which type of virus lives in the boot sector?

Which is the Symmetric Algorithm used in cryptography?

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?

What is botnet?

How can delivering mail as text instead of html help prevent spam?

What is email spoofing?

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

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

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