Conference Call Conference Call Technology & Tools 2 — Questions and Answers
Question 1: What is a 'dial-in number' used for in a conference call?
- It allows participants to join via phone without needing an app (Correct answer)
- It identifies the call organizer
- It sets the call recording quality
- It controls call encryption settings
Correct answer: It allows participants to join via phone without needing an app
A dial-in number lets participants join a conference call using any standard phone by calling a designated number and entering an access code.
Question 2: Which technology allows a conference call host to see a visual representation of who is speaking?
- Active speaker detection (Correct answer)
- Noise suppression
- Call encryption
- Echo cancellation
Correct answer: Active speaker detection
Active speaker detection highlights the current speaker's tile or indicator in the conference interface so others can identify who is talking.
Question 3: What is 'call recording' typically stored as in modern conferencing platforms?
- MP4 or MP3 file in cloud storage (Correct answer)
- A fax document
- An encrypted SIP log only
- A physical tape in a server room
Correct answer: MP4 or MP3 file in cloud storage
Modern platforms save call recordings as MP4 (video) or MP3 (audio) files, typically uploaded to cloud storage for later access.
Question 4: What is the role of a 'moderator PIN' in a conference call service?
- It grants the host elevated controls such as muting and removing participants (Correct answer)
- It encrypts the call end-to-end
- It sets the call quality to HD
- It automatically records the meeting
Correct answer: It grants the host elevated controls such as muting and removing participants
A moderator PIN authenticates the call host and unlocks administrative controls unavailable to regular participants.
Question 5: Which term describes joining a conference call by having the system call you instead of you dialing in?
- Dial-out (Correct answer)
- Call bridging
- VoIP tunneling
- PSTN relay
Correct answer: Dial-out
Dial-out means the conference system places an outbound call to a participant's number, automatically connecting them to the session.
Question 6: What feature allows participants to communicate via text during an ongoing conference call?
- In-meeting chat (Correct answer)
- Closed captioning
- Transcription log
- Whiteboard integration
Correct answer: In-meeting chat
In-meeting chat lets participants send text messages to the group or individuals without interrupting the audio conversation.
What is a 'dial-in number' used for in a conference call?