____________________ is a method for sending voice and fax data using the IP protocol.

In the URL http://www.whitehouse.gov/blog, which part is considered the protocol?

a. http b. .gov c. www.whitehouse.gov d. /blog

To select several contiguous columns, you ________

A) click the header of the first column, then double-click the header of the last column B) click the header of the first column, then right-click the header of the last column C) click the header of the first column, press and hold Shift, and click the header of the last column D) click the header of the first column, press and hold Ctrl, and click the header of the last column