VoIP (Voice over IP) MCQs With Answers

________ is a protocol used for translating domain names to IP addresses in VoIP networks.

________ is a technique used in VoIP to reduce bandwidth usage by transmitting voice data only when sound is detected.

Which protocol is used for encrypting and securing VoIP communications over the internet?

________ is a VoIP feature that allows users to listen to voicemail messages via email.

________ is a protocol used for securely accessing VoIP systems remotely over an insecure network.

Which technology allows VoIP calls to traverse NAT and firewall devices?

Which VoIP feature notifies users of an incoming call while they are already on a call?

Which technology improves VoIP call quality by prioritizing voice packets over data packets?

________ is a VoIP feature that allows users to seamlessly transfer ongoing calls between devices.

________ is a protocol used for real-time transport of multimedia data over IP networks.

________ is a technology that allows users to make phone calls using a broadband internet connection.

Which VoIP protocol is used for establishing, maintaining, and terminating multimedia sessions?

________ is a protocol used to dynamically assign IP addresses to VoIP devices on a network.

________ is a standard protocol for secure VoIP communication.

Which codec is commonly used for video transmission in VoIP communications?

________ is a protocol used for authenticating and authorizing VoIP users.

________ is a protocol used for converting digital IP packets into analog voice signals.

Which VoIP protocol is responsible for carrying voice data packets?

________ is a feature of VoIP that integrates voicemail, email, and fax into a single platform.

________ is a technology used to reduce network congestion and improve VoIP call quality.

Which codec is known for its low bandwidth usage but may sacrifice some voice quality?

Which VoIP feature allows users to have their phone number transferred when switching providers?

Which protocol is used for real-time voice communication over IP networks?

Which VoIP feature enables users to forward incoming calls to another number or device?

What does VoIP stand for?

________ is a technology that allows voice communication over the internet.

Which VoIP protocol is used for setting up, modifying, and tearing down multimedia sessions?

________ is a technology used to connect traditional analog phones to VoIP networks.

________ is a protocol used to transport audio and video over IP networks.

Which VoIP protocol is responsible for controlling the setup and teardown of calls?

Which codec is commonly used for compressing voice signals in VoIP communications?

________ is a technology used to convert analog voice signals into digital data for VoIP transmission.

Which protocol is commonly used for signaling and controlling VoIP calls?

________ is an ITU-T standard protocol used for VoIP and multimedia communication sessions.

________ is a feature of VoIP that allows users to have a single telephone number for multiple devices.

Which layer of the OSI model does VoIP primarily operate at?

Which VoIP protocol is responsible for transporting voice and video over IP networks?

Which VoIP codec provides high-quality voice transmission but consumes more bandwidth?

Which type of network is ideal for VoIP to ensure quality and reliability of voice calls?

________ is a protocol used to manage and monitor VoIP devices and services.