(TCO 2) The _____ is a specialized United Nations agency that regulates international telecommunications, including radio and TV frequencies, satellite and telephony specifications, networking infrastructure, and tariffs applied to global communications.
(TCO 12) When using an analog telephone, a VoIP adapter that performs analog-to-digital conversion is known as a(n) _____.
VTA (voice telephone adapter)
ATA (analog telephone adapter)
DTA (digital telephone adapter)
DTA (data telephone adapter)
(TCO 5) At the customer’s demarcation point, either inside or outside the building, T-carrier wire pairs terminate with a _____.
(TCO 1) _____ is the means through which data is transmitted and received.
The network adapter
(TCO 12) _____ messaging is a service that makes several forms of communication available from a single user interface.
(TCO 12) _____ is the use of one network to simultaneously carry voice, video, and data communications.
(TCO 5) The portion of the PSTN that connects any residence or business to the nearest CO is known as the _____.
network interface unit (NIU)
(TCO 2) The top, or seventh, layer of the OSI model is the _____ layer.
(TCO 6) _____ software searches a node for open ports.
(TCO 6) A program that disguises itself as something useful but actually harms your system is called a _____.
(TCO 6) _____ is a method of encrypting TCP/IP transmissions.
(TCO 4) _____ are devices that connect two network segments by analyzing incoming frames and making decisions about where to direct them based on each frame's MAC address.
Multistation access units