NET 101 - Networking Essentials I

Review for Second Test

The following questions are provided to help you study for the second test. Do not expect to see these exact questions on the test.


  1. What is the more common name for the system board in a computer?

  2. What feature does the text tell us a processor needs to perform true multitasking?

  3. If a processor has a standard heat sink with radiator fins, what other feature in most computers does this depend on for proper cooling?

  4. Thinking about RAM and ROM, which is a computer more likely to use for holding its BIOS?

  5. If your newly installed system board has four empty slots for DIMMs, arranged in two banks, and you have a total of three 8GB DIMMS available to you, what is the maximum amount of RAM you can install at this time? (This assumes that 8GB DIMMs are acceptable modules.)

  6. Review the common ports shown in the chart in chapter three and in the links in my notes. You may be asked to identify a port type or what it is for from a picture of the port.

  7. What are the main characteristics of centralized computing?

  8. What are the main characteristics of distributed computing?

  9. What is a host?

  10. If you look at a decimal number, like 123, what is the value of each digit? Why is the value related to the value of its position in the number?

  11. If you see an IP address in binary notation, which byte will tell you what class this address should belong to?

  12. How can you tell the class of the address by looking at the byte referenced in the question above?

  13. This is question 13. Convert the number 13 to binary notation.

  14. Convert this binary number to decimal notation: 10101101

  15. What are the classful subnet masks for class A, B, and C networks?

  16. What is the advantage to using dynamic DHCP in a large network? What kind of devices should be handled differently from workstations, with respect to dynamic assignment?

  17. What are the two classic interface types typically found in an operating system?

  18. What is a major difference between a cold boot and a warm boot?

  19. Why should you shut a computer down through a software command instead of by holding down a power button?

  20. As far as Windows is concerned, what is virtual memory?

  21. What kind of features would you expect to find on a server's operating system that are not on a client's operating system?

  22. How is a client/server network different from a peer-to-peer network?

  23. What are the physical network topologies described in your text? You should be able to draw a simple example of each type.

  24. What is the ISO-OSI model? What organization created it?

  25. What are the names of the seven layers of the OSI model? How are they normally arranged in a chart?

  26. What is a NIC? Why would you want one? How can you connect to a network if you don't have one?

  27. What kind of address is associated with a NIC? What layer of the OSI model does this place a NIC on?

  28. Which of the ISO layers is concerned with methods for connecting to other networks? What protocol are we told does this in the most common suite?

  29. Which of the ISO layers is concerned with guaranteed delivery of packets? What protocol are we told does this in the most common suite?

  30. How many layers are in the Department of Defense networking model?

  31. What kind of computers usually use ASCII coding? What kind of computers usually use EBCDIC coding?

  32. What is the difference between these:
    • LAN
    • MAN
    • WAN

  33. What is a client in a computer network? What is a server? What is a peer?

  34. Describe a star network.

  35. Describe a bus network.

  36. Describe a ring network.

  37. What is the base number for the IEEE networking standards?

  38. How are hubs and switches alike? How are they different?

  39. What is the difference between network devices and internetwork devices?

  40. Name three different kinds of network devices.