$5$

A processor's speed may depend on which of the following? $($Select all that apply$)$

Heat

Clock speed

Number of threads

Number of cores

Cache size

$6$

Which of the following media uses pulses of light to transmit the data?

Twisted$-$pair wiring

Coaxial cable

Wireless

Fiber optics

$7$

A $$

"refers to sending a series of over the Internet to validate whether a particular computer is connected.

hack attempt, pings

ping, packets

ping, hack attempts