NT1310 Final Exam (ITT Tech)
1. What unit of measurement is a tenfold logarithmic ratio of power output to power input?
2. What type of tool would be best for add connectors to twisted-pair cable?
3. If the tip wire in your pair is white/blue, what color would you expect the ring to be?
4. How many pairs of wires are in a binder group?
5. What is added to fiber-optic cabling to provide additional support?
6. What layer of the OSI reference model do routers work on?
7. What are examples of a makeshift tool?
8. What should be included in cabling system documentation?
9. What is refraction?
10. What was the first full-scale commercial application of fiber-optic communication systems?
11. How are optical fibers and copper different?
12. How is digital data transmission superior to analog data transmission?
13. How does dispersion affect optical fiber?
14. What is attenuation?
15. What factors need to be considered when choosing a fiber-optic cable?
16. Which of the following cables are commonly used in connections to equipment and patch panels?
17. Why would you want to use LED as a light source over laser?
18. What limits the bandwidth of today’s fiber-optic communication systems?
19. When inspecting a connector, what tools would be useful?
20. What operates at the OSI Physical layer and regenerate incoming signals to all ports?
21. What operates at Layer 2 of the OSI model and provides benefit of micro-LAN segmentation?
23. For Ethernet networking, crossover cords can connect two PCs directly without any intermediate network equipment (True or False)
24. What is the operating frequency of the 100BaseT Ethernet LAN system?
25. Which of the following terms is used to describe the premature degrade of a signal and data lost? This signal can be measured in decibels.
26. If a network cabling system is properly installed and tested, the fact that damage can occur to a cable, jack, or patch-panel connection can be discounted (True or False)
27. When you plan a network installation, the amount of cable you allow for is always an estimate. How much amount of cable ends up as trash?
28. The subnet mask for a CIDR of /14 is?
29. What is an uplink port?
30. What is the help command in the CISCO IOS
31. The cable used to connect to the console port is called a what?
32. Serial interfaces on a router are typically used to do what?
33. The SSID in a wireless network is used to do what?
34. How many layers does the OSI model have?
35. How many bits are there in one octet?
36. Ethernet resides in what layer of the OSI model?
37. VLANS are created in what layer of the OSI model?
38. What is the router interface most commonly used to interconnect LANs to a campus network is?
39. Which describes an Ethernet system operating at 100 Mbps?
40. What is the maximum length of a horizontal cable run that still allows for the length of the patch cables and extra cabling on each end?
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