- on-line purchasing
- video conferencing
The correct answer is: video conferencing
Explanation: Real-time audio and video communications are used in video conferencing. Both of these types of communication are time-sensitive and bandwidth-intensive, necessitating the presence of quality of service on the network. QoS will guarantee a consistent user experience.
|Answers Explanation & Hints:
Video conferencing utilizes real-time audio and video communications. Both of these are time-sensitive and bandwidth-intensive forms of communication that require quality of service to be active on the network. QoS will ensure an uninterrupted user experience.