Which IP telephony component provides call processing, such as signaling that in traditional voice network is provided by switching equipment, such a PBX?
Which part of a wide-area network (WAN) handles the major traffic, employs the highest-speed transmission paths in the network, and may also run the longest distance?
Which two Internet Protocol (IP) telephony devices are best categorized as infrastructure components? (Choose two
Which wireless local-area network (WLAN) device is often used to make wireless connections between buildings or campuses?