In which of these attacks will a steganalyst use a random message to generate a stego-object by using some steganography tool, to find the steganography algorithm used to hide the information?

John and Hillary works at the same department in the company. John wants to find out Hillary's network password so he can take a look at her documents on the file server. He enables Lophtcrack program to sniffing mode. John sends Hillary an email with a link to Error! Reference source not found. What information will he be able to gather from this?

What will the following command produce on a website login page? SELECT email, passwd, login_id, full_name FROM members WHERE email = '[email protected]'; DROP TABLE members; --'

When installed on a Windows machine, which port does the Tor browser use to establish a network connection via Tor nodes?

This is a statement, other than one made by the declarant while testifying at the trial or hearing, offered in evidence to prove the truth of the matter asserted. Which among the following is suitable for the above statement?