A soho environment utilizes network hardware address filtering to minimize unauthorized use of its network infrastructure. A technician has been asked to install a shared network printer in the environment. Which of the following MUST the technician know in order to add the printer to the environment ?

Which of the following statements is true?

a. The throw statement is used to throw an exception. b. The throw statement is used to specify that a method will throw an exception. c. The throw statement is used to access an exception parameter. d. All of the above.

A dedicated telephone switch or virtual switching device that connects and manages calls within a private organization, and manages call connections that exit the network through a VoIP gateway, is known by what term?

a. VoIP router b. VoIP PBX (private branch exchange) c. VoIP LEC (local exchange carrier) d. VoIP ATB (analog telephone branch)