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.