To display a blank window to begin typing SQL commands, click ____ on the View menu in the Query Design window.

All of the following are included in the Security category of the Windows Action Center, EXCEPT ________

A) network firewall B) Internet security settings C) virus protection D) system backup

Which tool measures cable length by transmitting a signal on one end and measuring the time it takes for the reflection to reach the end of the cable?

A. TDR B. Multimeter C. OPM D. Tone generator