__________ works by creating resistance rather than directly storing charge.

A network administrator decides to secure their small network by allowing only specific MAC addresses to gain access to the network from specific switches. Which of the following is described by this example?

A. Packet filtering B. Hardware firewalls C. Port security D. Stateful inspection

The time it takes to select the correct platter and move the read/write head to the right track and sector is called the ________ time

A) retrieval B) positioning C) delay D) access