Holds database on a local level. There can be many of these on a network for scalability and
manageability purposes, phones are normally pointed towards these____ Correct Answer:
SUBSCRIBER
Holds the authoritative database for configuration. There can only be one of these on the
network. It replicates database to others. Correct Answer: Publisher
This numbering plan encompasses twenty-five countries/territories primarily in North America,
including the Caribbean, and also excludes some countries such as Mexico Correct Answer:
North American Numbering Plan (NANP)
Identity the general term for technologies that use the internets protocol packet switched
connections to exchange voice, fax, and other forms of information Correct Answer: IP
Telephony
This device provides a means for visual and audio communications over a data network utilizing
a mic, monitor, with an integrated camera, and speakers Correct Answer: Video
TeleConferencing (VTC)
Identify the device used to allow on VTC participant to join a conference call Correct Answer:
MULTIPOINT CONTROL UNIT(MCU)
Saves the cost of requiring a line for each user to the telephone company's central office. It also
Switch is a call between enterprise users on a local lines while allowing all users to share a
certain number of external phone lines. Correct Answer: Private Branch Exchange(PBX)
Contains the switching equipment for routing phone calls. It also contains the equipment for
controlling the sites that are connected to the PSTN Central Office Correct Answer: Switching
Office
Provides audible response tone to caller to indicate the status of connection Correct Answer:
Information signaling
Detects change to status of a loop or a trunk Correct Answer: Supervisory signaling
The 3 most used VoIP signaling standards used with the Cisco Unified communications
manager(CUCM)? Correct Answer: SIP
SCCP
H.323 Signaling
A physical transmission medium, such as a wire, or to a logical connection over a multiplexed
medium, such as a radio channel Correct Answer: Channel