The personal area network was created in the late ____.?

Which of the following commands can be used to determine if a system is reachable and how long a packet takes to reach that system?

a. Ipconfig b. Ping c. Tracert d. None of the above

The ____ operator is evaluated first in the following expression: 9 * 2 - 8 > 5 + 2 / 2.

A. - B. + C. > D. *