Answers to the review questions can be found in Appendix A, "Answers to Review Questions."
| 1: | What is the name of the layer above the network layer in the DoD model? |
| 2: | Name at least one keyword for each of Layer 2, Layer 3, and Layer 4 of the OSI model. |
| 3: | What is the communication subsystem in the seven-layer OSI model? |
| 4: | What is the baseline of the system? |
| 5: | Name at least five of the key concepts in the troubleshooting process. |
| 6: | What are the complete and the shortest IOS commands to save the running configuration to the NVRAM? |
| 7: | What are the complete and the shortest IOS commands to cancel all debugging in the router? |
| 8: | Why does the CDP use a multicast address? |
| 9: | When troubleshooting the serial interface, you see HDLC protocol type 0x2000, what is it? |
| 10: | Is it recommended that you disable the CDP over the dialer interface? If so, what is the command? |
| 11: | What is the measurement of the spread when measuring the path characteristics with Pchar? |
| 12: | What does ICMP type 3 mean? |
| 13: | What is the command to see the statistics when using Service Assurance Agent (SAA)? |