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Chapter 2&3 Study Guide, CH. 3 Test, CH.2 Test, CH. 1 Test, Chapter 1 Textbook Quiz, Quiz Submissions - HW2 Chap 2, Review Ch1, Networking exam https://quizlet.com/_elruneÐ (|x<\ YμX0 1. A network's physical topology describes how sig- nals travel electronically. False 2. The two types of meshed topologies are partially meshed and wholly meshed. False 3. In a a partially meshed topology network at least two machines have redundant connections True 4. The most common type of cabling used in networks today consist of fiber optic cables. False 5. Unshielded twisted pair(UTP) category(CAT) ratings are officially rated in megahertz(MHz) indicating the highest frequency the cable can handle True 6. Most new cabling installations use category (CAT 3) unshielded twisted pair (UTP) cable False 7. Fiber-optic cable is attractive for use in high electro- magnetic interference (EMI) areas True 8. Almost all network technologies that use fiber optic cable require pairs of fibers True 9. All network technologies break data transmitted be- tween computers into smaller pieces called frames True 10. The preamble is added by the sending network in- terface card(NIC) True 11. Ethernet identifies the NICs on a network using spe- cial 48-bit (6 byte) binary addresses known as MAC addresses True 12. An ethernet frame may carry one of several types of data True 13. False 1 / 36

Chapter 2&3 Study Guide, CH. 3 Test, CH.2 Test, CH. 1 Test, Chapter 1 Textbook Quiz, Quiz Submissions - HW2 Chap 2, Review Ch1, Networking exam https://quizlet.com/_elruneÐ (|x<\ YμX0 The ethernet frame type field tells you if the frame carries higher level data such as an email message or Web page 14. A repeater also functioned as an amplifier False 15. When a collision occurs on an Ethernet network the cable is reserved for the nodes whose data collided until they have finished re transmitting False 16. Which first generation network topology used a sin- gle cable that connected all the computers in a line bus 17. Which first generation network topology provided fault tolerance star 18. What statement describes the advantages of fault tolerance If one cable break all of the other com- puters can still com- municate 19. What is the meaning of the term capacitance How long it takes a wire to get a full charge 20. Which type of cable is described as a central con- ductor wire that is surrounded by insulating materi- als and placed inside a braided metal shield coaxial 21. UTP category ratings are based on what criteria the highest frequen- cy the cable can handle 22. Which term refers to a relative measure of the resis- tance or more precisely characteristics Impedance on a cable? Ohm rating 23. Which cable type suffers from electromagnetic in- terference (EMI) Unshielded Twisted Pair (UTP) 2 / 36

Chapter 2&3 Study Guide, CH. 3 Test, CH.2 Test, CH. 1 Test, Chapter 1 Textbook Quiz, Quiz Submissions - HW2 Chap 2, Review Ch1, Networking exam https://quizlet.com/_elruneÐ (|x<\ YμX0 24. What is the minimum category rating of UTP cabling you would need for a network that runs at 1000 Mbps CAT 5e 25. Which category (CAT) of UTP cabling is the fastest? Cat 6 26. Cat ratings are officially rated in (blank) indicating the highest frequency the cable can handle. megahertz(MHz) 27. What is the only important measure of coax ca- bling? Ohm rating 28. Which connector is currently used in wired net- works? 8P8C 29. In response to the demand for two pair cabling, manufactures often connect two fibers together to create (blank) fiber optic cabling. duplex 30. Which type of cable works best for long distance transmissions fiber optic 31. What distance can a signal travel on fiber optic cable? Tens of kilometers 32. A (blank) cable that uses LEDs is known as mulTi- mode fiber (MMF) fiber optic 33. Almost all multi mode fiber cables transmit (blank) wavelengths. 850 nm 34. Which fire cable rating has no significant fire pro- tection? Cable with a polyvinyl chloride (PVC) rating 35. To reduce fire hazards most city ordinances require the use of (blank) cable for network installations. Plenum 36. Plenum 3 / 36

Chapter 2&3 Study Guide, CH. 3 Test, CH.2 Test, CH. 1 Test, Chapter 1 Textbook Quiz, Quiz Submissions - HW2 Chap 2, Review Ch1, Networking exam https://quizlet.com/_elruneÐ (|x<\ YμX0 The space between the acoustical tile ceiling in an office building and the actual concrete ceiling above is called the (blank) 37. Which IEEE subcommittee sets the standards for wireless LAN networks 802.11 38. What was the original maximum data transfer rate of the first Ethernet developed by Xerox? 3 Mbps 39. Which companies were involved in the 1979 intro- duction of the DIX Ethernet standard? Intel and Digital Equipment Corpo- ration (DEC) 40. What information is included in the data portion of an Ethernet frame on IP network? The IP address of both systems 41. How long is the start frame delimiter? 1-byte 42. What is the minimum size of an Ethernet fame? 1500 bytes 43. Which version of Ethernet was introduced in 1990? 10BaseT 44. What is the meaning of the "10" in 10BaseT? Maximum speed of 10 MBps 45. In a specification such as 10BaseT, what does the word "base" identify? The signal type 46. Which type of cabling does the 10BaseT standard specify? Unshielded Twisted Pair (UTP) 47. Which ethernet cabling standard defines an ether- net network that uses CAT 3 or better UTP cabling operating at 10 Mbps? 10BaseT 48. How many pins does an RJ-45 connector have? Eight 49. What is the purpose of a crimper? 4 / 36

Chapter 2&3 Study Guide, CH. 3 Test, CH.2 Test, CH. 1 Test, Chapter 1 Textbook Quiz, Quiz Submissions - HW2 Chap 2, Review Ch1, Networking exam https://quizlet.com/_elruneÐ (|x<\ YμX0 To connect a RJ-45 connector to the ca- ble 50. What is an advantage of fiber optic cabling over Unshielded Twisted Pair(UTP)? It has a longer max- imum distance 51. When a collision occurs n a network relying on the CSMA/CD access method what alerts the network interface card (NICs)? Overlapping signals 52. What was the maximum distance between a hub and a node on a 10BaseT network? 100 meters 53. The signal type of a 10BaseFL network is (blank) baseband 54. The maximum speed of a 1BaseFL network is (blank) 10 Mbps 55. 10BaseFL is often simply called (blank) 10BaseF 56. The cabling type that is most difficult to tap into is(blank) fiber 57. The maximum length for 10BaseFL cable is up to (blank) kilometers dependng on how you configure it. 2 58. Fiber optic cabling transmits data packets using pulses of (blank) light 59. 10BaseT devices uses pin 1 ans 2 to (blank) data send 60. Most UTP cables come with standard (blank) fibers to add strength to the cable. Kelvar 61. The classic 10BaseT network consists of two or more computers connected to a central (blank) hub 5 / 36

Chapter 2&3 Study Guide, CH. 3 Test, CH.2 Test, CH. 1 Test, Chapter 1 Textbook Quiz, Quiz Submissions - HW2 Chap 2, Review Ch1, Networking exam https://quizlet.com/_elruneÐ (|x<\ YμX0 62. Transmission of a frame starts with a preamble and can also include some extra filler called a(n) (blank) pad 63. (Blank) is the organization that now controls Ether- net standards. IEEE 64. The DIX Ethernet standard allowed computers to communicate with each other at a transfer rate of (blank) 10 megabits 65. Originally, Ethernet used (blank) cabling coax 66. The IEEE 802.3 subcommittee defines the standards for (blank) Ethernet 67. A fire rating known as (blank) designates the proper cabling to use for vertical runs between floors of a building. risers 68. Most network technologies that use fiber optics use (blank) to send light signals LEDs 69. The odd little u-shaped symbol describing fiber op- tic size stands for (blank) or 1/1,000,000 micros 70. Almost all network technologies that use fiber-optic require (blank) of fiber. pairs 71. The glass fiber component of fiber-optic cable is known as the (blank) core 72. The maximum amount of data that goes through an unshielded twisted pair cable per second is called (blank) Bandwidth 73. To help network installers get the right cable for the right network technology, the cabling industry devoloped a varitey of grades called (blank) ratings. cat 6 / 36

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