By default, for xml queries return xml fragments. you need to return a well-formed xml document. how can you accomplish this?

What is the largest decimal number that can be represented by a binary number with 4 place values? (remember, each place in a binary number has a value of a power of 2, starting in the ones place with 20.)

Which of the following is a way the operating system prevents unknown or unauthorized users from accessing the system?

Ryan is working on the layout of her web page. she needs to figure out where her header, navigation bar, text, and images should go. what technique can her?