NT1210 Exam 1 Study Guide. 1. Approximately how many bytes are in a kilobyte (KB)?megabyte(MB)? 2. What are the parts of the hard drive? 3. How are voice communications converted to digital signals? 4. What does compression do to video files? 5. In this sample Web address,http://www.itt-tech.edu which part identifies the protocol being used? 6. Is the Internet one centrally controlled and managed network ? 7. What manages peripheral devices on your computer ? 8. What network topologies suffer from a single point of failure? 9. Define a networking standard? 10. What standards-setting body sets de facto standards? 11. Why is the TCP/IP model divided into layers? 12. What do routers do? 13. What is “encapsulation” when talking about data? 14. In TCP/IP networks, how are nodes identified layer 2 and layer 3? 15. Define the Physical Layer? 16. What is the result of the W i-Fi Alliance’s input on how wireless devices act? 17. Frames are associated with the Layer of the TCP/IP and OSI models. 18. How do LANs and WANs differ on the way they use to send data? 19. Why is it important to understand alternating current when learning about networks? 20. What causes full duplex to transmit and receive simultaneously? 21. What does attenuate mean when describing data signals? 22. What is an RJ-45 used for on networks? 23. Which type of fiber is better for longer distances? Why? 24. 802.11g is for what type of technology? 25. What is CSMA/CA used for in WLANS? 26. In a typical LAN, what technology or media is used for distance?(ie between buildings) 27. In which of the following situations would you use shielded twisted-pair cabling instead of unshielded twisted pair? 28. Which of the following would require a straight-through cable? 29 Based on the graphic, what type of cabling would probably be the best to run across the factory floor to keep the network within the IEEE standards? 30. When developing a network troubleshooting strategy, it is generally suggested that you 31. Ethernet began life as a technology. 32. What are the IEE standards 802.3 and 802.11? 33. What is meant by Ethernet “bit rate” as defined by IEEE standards? 34. In the 10BaseTx standard, what type of cable technology is specified? 35. In the graphic, what type of switches would typically be located in the Access Layer? _. 36. What happens on a network link where one device is capable of 10 Mbps and the other is capable of 100 Mbps? 37. What does the destination device do if it receives a frame that it determines has errors in it? 38. Which of the following types of frames would be delivered to one specific destination? 39. What does the following graphic illustrate? 40 Which address table does a LAN switch use to determine how to deliver a frame to the correct destination? 41. If you wanted to find out if you could reach a printer on the network, which command would you use? 42. Given the network configuration in the graphic, what command would you enter on PC “A” to test connectivity to the Internet?