Microsoft strongly recommends that you configure your computer to manually download and install operating system updates

The XML document to be validated is called the ____________________ document.

Fill in the blank(s) with the appropriate word(s).

Which type of attack is being carried out when an attacker joins a TCP session and makes both parties think he or she is the other party?

A. A DoS attack B. Ping of Death C. A buffer overflow attack D. Session hijacking