Which method of database recovery involves undoing unwanted changes to the database, such as undoing a partially completed transaction interrupted by a power failure?

Which of the following is a choice you can make regarding Windows updates?

A) automatic B) recommended C) manual D) required

Sidebar 8-2 shows that personal biographical information—addresses, phone numbers, email addresses, credit card numbers, and so on—not only can be used by attackers to hijack accounts but also can be collected from one hijacked account to help an attacker gain access to the next. How can you protect yourself against this kind of attack? What can cloud providers change to mitigate such attacks?

What will be an ideal response?