The ____ page replacement policy is based on the theory that the best page to remove is the one that has been in memory the longest.

_______ is an imaging process that shows soft tissue using high-frequency sound waves and echoes

a. Ultrasound b. Computed tomography c. Magnetic resonance imaging d. Positron emission tomography

You can press the ____ keys to open and close the Server Behaviors panel.

A. Ctrl+Esc B. Alt+F8 C. Ctrl+F9 D. Alt+F10