Review Questions for Test #4

Disaster Recovery (RAID)

1. What is disk striping?
2. What is the smallest byte size used for disk striping?
3. What is fault tolerance?
4. Which RAID level does not provide fault tolerance?
5. Which RAID level is called disk mirroring?
6. What is duplexing?
7. What is the minimum number of hard drives required to implement RAID 0+1?
8. What is the minimum number of hard drives required to implement RAID 1?
9. What is the minimum number of hard drives required to implement RAID 5?
10. Explain what RAID level 5 is. How does it differ from RAID O, 1, and O+1?

Internet Connectivity

1. What does the term packet switching refer to?
2. Which protocol is the primary protocol used on the Internet today?
3. What is an IP address?
4. What does a modem do? What does modem stand for?
5. Why is the modem’s maximum connection speed 64,000 bits per second?
6. What factors can affect the connection speed of your modem to your ISP?
7. What connector type does the phone line use to plug into the modem and the wall jack?
8. What did the V.90 standard do for 56K modem users?
9. What are 4 ways to connect or gain access to the Internet?
10. What does broadband mean?
11. What does baseband mean?
12. What is bandwidth?
13. What is half-duplex?
14. What is full-duplex
15. What is the advantage of using DSL over a standard 56K modem (2)?

Local Area Networks

1. What are the two most basic network models commonly used today?
2. What is a Bus Topology and list one advantage and one disadvantage of using this type of network?
3. What is a Star Topology and list one advantage and one disadvantage of using this type of network?
4. What is a Token Ring Topology and list one advantage and one disadvantage of using this type of network?
5. Which type of network needs to be terminated at the end of the network or last device?
6. What is Thicknet 10Base5 cable?
7. What is Thinnet 10Base2 cable?
8. What does the 10 indicate for the 10Base2 and 10Base5 cable?
9. What does the 2, and 5 indicate for the 10Base2 and 10Base5 cable?
10. What is UTP 10BaseT, 100BaseT?
11. What connector type does the 10BaseT 100BaseT use to plug into the NIC card, Hubs, Bridges, Routers, etc?
12. What does a Hub do? What is the difference between an active and passive hub?
13. What are the seven layers of the OSI model?
14. What does a Network Interface Card do?
15. What layer of the OSI model is a NIC associated with?
16. What is a bridge?
17. What layer of the OSI model is a bridge associated with?
18. What is a router?
19. What layer of the OSI model is a router associated with?
20. Name 3 different network protocols.
21. What does the utility TRACERT do?
22. What does the utility PING do?
23. What is a MAC address?
24. What is a Hop?
25. What is the significance of typing WINIPCFG or IPCONFIG into the command line interface? (What information does it give you?)

Purchasing a PC or Building your Own

1.What are the advantages of buying a well known brand name computer (3)?

2. What are the advantages of buying your own computer (2)?

3. What are the first 3 components you should install on the system board before applying power to run a POST test on the system?

4. Name a reason why you would be more inclined to buy a prebuilt computer system.

5. What configuration needs to be made on a new motherboard using either jumpers or CMOS set-up (2)?

6. What is the maximum number of IDE devices that can be installed on a system?

7. List 5 port connectors that are commonly built onto today’s system boards?