L2 ICT U1 VoIP Quiz

What is VoIP an abbreviation for?

• Video over Internet Protocol

• Voice over Internet Protocol

• Variable over Internet Protocol

• Vector over Internet Protocol

Which of the following is NOT a reason why VoIP has become popular?

• It allows video communication over the internet

• It is commonly used in business and day-to-day lives

• It uses public telephone networks

• It has become an important method of communication

What is the primary reason for not needing expensive microphones for VoIP?

• VoIP software is unable to process high-quality audio

• VoIP normally works at quite a low quality

• High-quality microphones are incompatible with VoIP software

• VoIP requires specialized audio equipment

Why can you use a cheap webcam for VoIP?

• VoIP software cannot transmit video

• VoIP software transmits a compressed, relatively low-quality image

• High-definition webcams are not available

• VoIP software requires high-end computers

What is the main type of software used for real-time online voice and video conversation?

• Video editing software

• VoIP software like Skype and FaceTime

• Web browsers

• Operating systems

What is the purpose of a CODEC in VoIP and web conferencing software applications?

• To enhance video quality

• To protect against viruses

• To compress and decompress audio and video for transmission over the internet

• To increase the speed of the internet connection

What are the two jobs of a CODEC in the context of VoIP?

• To convert digital signals to analogue and to encrypt data packets

• To compress files for storage and to play music

• To convert analogue signals to digital and to compress the digital signal for transmission

• To stream video content and to buffer audio files

Which of the following is NOT a function of a CODEC at the receiver's end?

• To reassemble the digital signal

• To decompress and decode the digital signal back into an analogue one

• To convert the analogue signal back into a digital signal

• To transmit data packets across the internet

Which software is an example of VoIP software?

• Citrix GoToMeeting

• Opus

• Skype

• SILK

What is the primary function of VoIP technology?

• To compress files for storage.

• To enhance video quality on the internet.

• To send voice and video communication over the internet.

• To convert digital signals into analogue signals only.