| 1: | What is the function of the control connection? |
| 2: | Is a control connection required? Why or why not? |
| 3: | What is the function of the session ID and the cookie? |
| 4: | For what are the Message Digest and Control Message Authentication Nonce AVPs used? |
| 5: | What three messages are exchanged in order to establish a control connection? |
| 6: | What three messages are exchanged in order to establish a session? |
| 7: | If an LCCE wants to tear down a control connection, what message does it send? |
| 8: | If an LCCE wants to tear down a session, what message does it send? |
| 9: | What message does an LCCE send to its peer to signal that attachment circuit status has changed from active to inactive (or vice-versa)? |
| 10: | What is the major difference between L2TPv2 and L2TPv3 with regard to supported Layer 2 payloads? |