Question: 1. What is the difference between circuit switching and packet switching?
2. What are three advantages to using VoIP instead of traditional PSTN phone service?
3. You need to see the physical switch at one of your company's remote locations to see if you can spot any visible reason why a link keeps failing. However, the remote office is three hours' drive away, and you're pretty sure this will be a simple fix if you can just see it. What kind of video service can you use, with the help of an employee at the remote office, to see the switch from your desk?
4. What are the two types of forwarding defined by DiffServ?
5. The _____________ field in IPv4 packets and the _________________ field in IPv6 packets are used to help prioritize traffic when managing QoS.