Chapter Review Questions

You can find the answers to the following questions in Appendix A, "Answers to Chapter Review Questions."

1:	Complete this sentence: "Before sending end user data over an Ethernet LAN, the sender must _____________ the data in an Ethernet _____________."
2:	Name the three general parts of an Ethernet frame.
3:	Imagine that PC1 has built an Ethernet frame, and it is ready to send the frame. What should PC1 do before sending the frame?
4:	What does the "CD" in CSMA/CD stand for?
5:	Imagine that PC1 and PC2 send a frame at the same time, and the frames collide. Which one sends the jamming signal?
6:	Imagine that PC1 and PC2 send a frame at the same time, and the frames collide. How does the CSMA/CD algorithm minimize the chances that PC1 and PC2's frames might collide the next time they attempt to send the frames?
7:	How many bytes are in a source Ethernet address? A destination Ethernet address?
8:	Imagine that PC1 sends an Ethernet frame to PC2, but that PC3 and PC4 also get a copy, as a side effect of how a hub works. How does PC3 know to ignore the data in the frame?
9:	List the IEEE committee that standardized Ethernet-specific details of Ethernet. Use both the numeric name and the three-word text name.
10:	List the IEEE committee that standardized Ethernet details that are in common with other types of LANS. Use both the numeric name and the three-word text name.
11:	If you were using a networking device from Cisco Systems, and you saw the output of a command that displayed a MAC address, how would it be formatted? Give an example, assuming that all digits in the actual MAC address are 1.
12:	What does the acronym FCS stand for?
13:	Imagine that PC1 sends a frame to PC2, and PC2 notices that the FCS sent with the frame is different from the value calculated by PC2. What should PC2 do?
14:	Explain the difference between error detection and error recovery. Which does Ethernet perform?