VoIP Knowledge Quiz

What does VoIP stand for?

• Voice over Internal Protocol

• Virtual over Internet Protocol

• Voice over Internet Protocol

• Video over IP

Which device is essential for converting analog voice signals to digital for VoIP?

• Router

• Microphone

• Codec

• Antenna

What is the biggest advantage of using VoIP over traditional telephony?

• Slower speeds

• Lower cost

• More wires

• Less compatibility

Which protocol is commonly used to set up and manage VoIP calls?

• HTTP

• FTP

• SIP

• SMTP

What is jitter in a VoIP network?

• A form of noise

• Delay in packet delivery

• Variation in packet arrival times

• Packet duplication

What does QoS stand for in voice networks?

• Quality of Signal

• Queue of Services

• Quick Onboarding System

• Quality of Service

Which of the following issues can affect VoIP call quality?

• High latency

• Packet loss

• Low bandwidth

• All of the above

What is an IP PBX?

• Internet Protocol Broadcast Xchange

• Internal Phone Box

• Internet-based Private Branch Exchange

• IP Packet Bandwidth eXecutor

What is the function of an ATA (Analog Telephone Adapter)?

• Encrypts voice packets

• Converts analog phones for VoIP use

• Enhances call quality

• Increases bandwidth

Which port is commonly used by SIP for signaling?

• 80

• 5060

• 21

• 443