A user wants to secure a network closet and be able to tell if anyone makes changes in the closet. Which of the following would be the BEST detective physical security devices in this situation? (Choose two.)

Joe, a network engineer, is attempting to install wireless in a large work area. He installs the access point in the middle of the work space. When testing, he notices a -60dB reading on one side of the room and a -
92dB reading on the other side. Which of the following is MOST likely the issue?

Which of the following protocols utilizes 3DES encryption by default?

A technician has been assigned to capture packets on a specific switchport. Which of the following switch features MUST be used to accomplish this?

A web application is unable to authenticate customers so they can access their bills. The server administrator has tested the LDAP query but is not receiving results. Which of the following is the NEXT step the server administrator should take to correct the problem?