You can perform the add operation, called ____, to add an element onto the stack.

An airlines reservation system has demanding performance and availability standards. Do the following play a role in enhancing performance? Do they enhance availability? Explain your answers.

a. Page cache b. Log buffer c. Checkpoint record d. Physiological logging e. Mirrored disk

Switches that are participating in the Spanning-Tree Protocol exchange information with other switches in the form of which of the following?

What will be an ideal response?