At what layer of the osi model do proxy servers operate?
layer 3
layer 2
layer 7
layer 4

Draw the resistor’s voltage and current phasors at t=15ms. draw the vectors with their tails at the origin. the orientation of your vectors will be graded. the exact length of your vectors will not be graded.

With editing, word automatically displays a paste options button near the pasted or moved text. a. cut-and-paste b. drag-and-drop c. inline d. copy-and-carry

Technician a says that a new replacement part is always good. technician b says that sometimes recent repair work will be the cause of a complaint. who is correct? a. both technicians a and b b. technician a c. technician b d. neither technician a nor b