Which of the following 802.11n features allows for the use of multiple simultaneous frequencies in
order to increase usable bandwidth?

Zach, a technician, discovers a switch is not communicating with the other switches in a stack. Which
of the following is the MOST likely cause?

Zach, a technician, discovers a switch is not communicating with the other switches in a stack. Which
of the following is the MOST likely cause?

Jeff, a technician, needs multiple networks, high speeds, and redundancy on a system. Which of the
following configurations should Jeff consider for these requirements? (Select TWO).

Jeff, a technician, needs multiple networks, high speeds, and redundancy on a system. Which of the
following configurations should Jeff consider for these requirements? (Select TWO).

Kim, a user, cannot access the network using wireless. Which of the following is MOST likely the
cause?

Kim, a user, cannot access the network using wireless. Which of the following is MOST likely the
cause?

Jeff, a technician, is charged with setting up network monitoring for critical devices in the network. It
is important the information be sent securely to the monitoring station. Which of the following
protocols will support secure transmission of the data?

Jeff, a technician, is charged with setting up network monitoring for critical devices in the network. It
is important the information be sent securely to the monitoring station. Which of the following
protocols will support secure transmission of the data?

A Windows server has a problem after booting up. Kim, a technician, should immediately check the: