Read Chapter 12 and lesson 12.  Then complete this homework. Work to understand all problems even though all problems may not be assigned.

1. Describe the original Ethernet specification and identify the inventor.

2. Define the following concepts in your own words using complete sentences:

a. 10Base5

b. Jam Function

c. Collision

d. Vampire Clamp

e. 0000.0C00.0001

f. RG-58

g. Thinnet

h. Collision Detection

i. 10GBASE-E

3. Your workstation experiences seven consecutive collisions. 

a. What is the minimum amount of time that it might have to wait to before sending its frame? 

b. What is the maximum amount of time it might have to wait?

c. If your workstation experiences 6 more collisions what will the maximum backoff be then?

4. How does Ethernet handle erred frames?

5. How is 10Base2 different from 10Base-T?

6. Token ring:

a.Sketch a Token Ring token and label its fields.

b. Sketch a Token Ring data frame.

c. Sketch the access control field and denote the purpose of the bits in this field.

7. If an Ethernet NIC transmits a frame that is too short, what problem might occur?

8. Why does replacing a hub with a switch improve an Ethernet users capacity?

9. Why wouldn't a switched Token Ring architecture make the same improvements as a switched Ethernet architecture?

10. Describe how you would improve performance on a 10Base-T hubbed network?

11.Where might 10GBASE-S be used in contrast to 10GBASE-E?

12.Consider figure 16.11 in your text.  Search the Internet and determine which one of the five Fibre Channel applications seems to be the most popular in actual networks.

Used with permission of the Author; Copyright (C) Kevin A. Shaffer 1998 - 2018, all rights reserved.