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