Which of the following modules of OS X kernel (XNU) provides the primary system program interface?

You work as a Network Administrator for Blue Bell Inc. You want to install Windows XP Professional on your computer, which already has Windows Me installed.

You want to configure your computer to dual boot between Windows Me and Windows XP Professional. You have a single 40GB hard disk.

Which of the following file systems will you choose to dual-boot between the two operating systems?

John works as a professional Ethical Hacker. He has been assigned the project of testing the security of www.we-are-secure.com. He receives the following e- mail:

The e-mail that John has received is an example of __________.

Which of the following Acts enacted in United States allows the FBI to issue National Security Letters (NSLs) to Internet service providers (ISPs) ordering them to disclose records about their customers?

TCP FIN scanning is a type of stealth scanning through which the attacker sends a FIN packet to the target port. If the port is closed, the victim assumes that this packet was sent mistakenly by the attacker and sends the RST packet to the attacker. If the port is open, the FIN packet will be ignored and the port will drop the packet. Which of the following operating systems can be easily identified with the help of TCP FIN scanning?