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- April 15, 2002 Silent Hill 2 Versi Xbox Untuk PS2 Question 1:Which of the following would represent a DC source of electricity? B. a car or flashlight battery Question 2: What is propagation of a network signal? A. travel Question 3: What is the best definition of electrical current? A. force or pressure caused by the separation of electrons and protons Question 4: Which term best describes the delay of a network signal? C. latency Question 5: In electrical terms, what does AC mean? A. alternating current Question 6: When measuring voltage with a multimeter which setting must be set? A. AC or DC Question 7: Which term best describes two devices communicating on a shared-medium at the same time? C. collision Question 8: What is the result of impedance mismatch? A. reflected energy Question 9: Which describes cancellation in cabling? A. Wires in the same circuit cancel each other's electrical current flow. B. Twisting of wire pairs provides self-shielding within the network media. C. The magnetic fields from separate cables cancel magnetic fields of another cables. D. External magnetic fields cancel the fields inside network cabling. Question 10: Which term describes the conversion of binary data into a form that can travel on a physical communications link? A. encoding Question 11: Where is the safety ground connected on a computer? A. exposed metal parts Question 12: What is the opposition to the movement of electrons as they move through materials? B. resistance Question 13: What is attenuation? C. a signal losing strength to its surroundings Question 14: How many bits compose 1 byte? C. 8 Question 15: What are the three required parts of an electrical circuit? A. switch, source or battery, load or resistance B. source or battery, complete path, switch C. source or battery, complete path, load or resistance D. power, source or battery, load or resistance Question 16: Which type of electrical circuit will have a continuously varying voltage-versus-time graph? B. analog Question 17: Which is an external source of electrical impulses that can attack the quality of electrical signals on a cable? A. EMI caused by electrical motors Question 18: Which best describes an insulator? B. Any material with a high resistance to electrical current. Question 19: What is the best definition of voltage? A. force or pressure caused by the separation of electrons and protons Question 20: What are the three parts of an atom? C. neutron, electron, proton Question 21: What is the unit of measure for resistance? B. ohm Question 22: What kind of schemes are Manchester and NRZ? A. encoding Question 23: What is the primary cause of crosstalk? D. electrical noise from other wires in a cable |
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