Which of the following are famous worm attacks?

Which technique is used by spammer to find valid/existent email address?

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?

Antivirus signatures are constructed using with of the following?

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?