About VoIP

This is to test your knowledge about VoIP.

Question 1: A term applied to telecommunications systems capable of simultaneously supporting multiple information formats at relatively high speeds such as voice, high-speed data services and video services on demand.
	CODEC
	Dynamic Host Configuration Protocol
	Broadband

Question 2: A modem attached to your cable TV service.
	Broadband
	Digital Subscriber Line
	Cable Modem

Question 3: A WAN switching method in which a dedicated Physical circuit through a carrier network is established, maintained, and terminated for each communication session.
	CODEC
	Circuit Switching
	Frame Relay

Question 4: In Voice over IP, Voice over Frame Relay, and Voice over ATM, a DSP software algorithm used to compress/decompress speech or audio signals.
	Asynchronous Transfer Mode
	Full duplex
	CODEC

Question 5: Enables individual computers on an IP network to extract their configurations from a server.
	IP Telephony
	Jitter
	Dynamic Host Configuration Protocol

Question 6: A technology for bringing high-bandwidth information to homes and small businesses over ordinary copper telephone lines.
	IP Telephony
	Packet Switching
	Digital Subscriber Line

Question 7: Segments the voice signal into frames and stores them in voice packets.
	Broadband
	Digital Signal Processor
	Full Duplex

Question 8: The type of audio signals generated when you press the buttons on a touch-tone telephone.
	Dual tone multi-frequency
	Frame Relay
	CODEC

Question 9: Refers to the transmission of data in two directions simultaneously.
	Full duplex
	Digital Signal Processor
	Wide Area Network

Question 10: A telecommunication service designed for cost-efficient data transmission for intermittent traffic between local area networks (LANs) and between end-points in a wide area network (WAN).
	Full duplex
	CODEC
	Frame Relay

Question 11: Also known as Internet Telephony or Voice over IP (VoIP). Use of Internet Protocol (IP) to carry and route two-way voice communications.
	Latency
	Jitter
	IP Telephony

Question 12: Hardware lines over which devices can send interrupt signals to the microprocessor.
	Circuit Switching
	Packet Switching
	interrupt request lines

Question 13: An international communications standard for sending voice, video, and data over digital telephone lines or normal telephone wires.
	Integrated Services Digital Network
	Internet Service Provider
	IP Telephony

Question 14: A company that provides access to the Internet.
	Internet Service Provider
	Quality of Service
	Domain Name System

Question 15: The variance of latency (or delay) in a connection.
	Latency
	interrupt request lines
	Jitter

Question 16: The delay or time span between the voice being digitalized at the senders Location and then output at the receivers end is the latency of a connection.
	Jitter
	Latency
	Network Time Protocol

Question 17: A protocol for IP telephony that enables a caller with a PSTN phone number to locate the destination device and establish a session.
	Media Gateway Control Protocol
	Multi-Protocol Label Switching
	Network Time Protocol

Question 18: Emerging industry standard upon which tag switching is based.
	Network Time Protocol
	Internet Service Provider
	Multi-Protocol Label Switching

Question 19: Protocol built on top of TCP that assures accurate local time-keeping with reference to radio and atomic clocks located on the Internet.
	Network Time Protocol
	Packet Switching
	Voice over Internet Protocol

Question 20: Means of creating connections by breaking up the information to be sent into packets of bytes, sending them along a network with other information streams and reassembling the original information flow at the other end.
	Packet Switching
	Private Branch Exchange
	Quality of Service

Question 21: Refers to the local telephone company.
	Digital Subscriber Line
	Telephony API
	Public Switch Telephone Network

Question 22: Pertains to the quality of a connection and this is especially important for connections relaying voice since the user feels the impact immediately and a retransmission cannot make up for the loss of data.
	Private Branch Exchange
	Realtime Transport Protocol
	Quality of Service

Question 23: Labels all information transferred by a sender with a timestamp.
	File Transfer Protocol
	Realtime Transport Protocol
	Domain Name System

Question 24: An integrated circuit (IC) providing central office-like telephone interface functionality.
	Telephony API
	Cable Modem
	Subscriber Line Interface Circuit

Question 25: Allows users to refer to hosts by name rather than having to know their numeric IP addresses.
	Universal Serial Bus
	Private Branch Exchange
	Domain Name System

Question 26: A programming interface that allows Windows client applications to access voice services on a server.
	Telephony API
	HyperText Transfer Protocol
	Domain Name System

Question 27: A collective name for the set of protocols on which the Internet is based.
	Voice over Internet Protocol
	Digital Signal Processor
	Transmission Control Protocol/Internet Protocol

Question 28: Defines a mechanism for storing and retrieving files
	File Transfer Protocol
	HyperText Transfer Protocol
	Asynchronous Transfer Mode

Question 29: Allows information to be transferred from host computers to computers equipped with web browsers.
	Universal Serial Bus
	Foreign Exchange Station
	HyperText Transfer Protocol

Question 30: A term used for voice being transported via the internet, intranet or data links to the internet regardless whether H.323, SIP or a proprietary standard is used.
	Jitter
	Latency
	Voice over Internet Protocol

This Quiz has been designed by Lorelyn Rivera.

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