Suppose two hosts, a and b, are separated by 7,500 kilometers and are connected by a direct link of r = 10 mbps. suppose the propagation speed over the link is 2.5 x 10 8 meters/sec. consider sending a large packet of 500,000 bits from host a to host b. how many milliseconds (ms) does it take before the receiver has received the entire 500,000-bit file?

Quincy would like to view the contents of a specific message in his inbox. a portion of his computer screen is shown. what should quincy do in order to complete this task? 1. click on the inbox in the navigation pane, and click on the specific message in the folder pane to display its contents. 2. click on the inbox in the outlook today window, and click on the specific message in the folder pane to display its contents. 3. double-click the message’s header in the outlook today window, and right-click on the specific message to display its contents. 4. double-click the mail option in the navigation pane, and right-click on the specific message to display its contents.

The three logical operators used to write compound conditions are "and," "or," and "not." a: true b: false

10. when you create a pivottable, you need to specify where to find the data for the pivottable. is it true