1. Why might a corporation choose to assign all VoIP traffic to a single DiffServ class? 2. Explain how a jitter buffer permits the playback of an audio stream even if the Internet introduces jitter....

1. Why might a corporation choose to assign all VoIP traffic to a single DiffServ class?

2. Explain how a jitter buffer permits the playback of an audio stream even if the Internet introduces jitter.

3. Define multimedia data. What are the two techniques used to overcome jitter?

4. Which aspects of IP telephony does H.323 handle?