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12 Cards in this Set
- Front
- Back
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Match the Columns:
1) Neutrons 2) Protons 3) Electrons A) Particles that have a negative charge B) Particles that have no charge (neutral) C) Particles that have a positive charge A. 1-C,2-B,3-A B. 1-A,2-C,3-B C. 1-B,2-C,3-A D. 1-B,2-A,3-C |
C. 1-B,2-C,3-A
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Which of the following regarding electricity is untrue?
A. Opposite charges react to each other with a force that causes them to be attracted to each other. B. Like chrges react to each other with a force that causes them to repel each other. C. In the case of opposite and like charges, the force increases as the charges move closer to each other. D. None of the above. |
D. None of the above.
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Match the following to their respective units of measurement:
1) Voltage 2) Current 3) Resistance A) Ohm B) Ampere C) Volt A. 1-C,2-B,3-A B. 1-B,2-C,3-A C. 1-A,2-C,3-B D. 1-C,2-A,3-B |
D. 1-C,2-A,3-B
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Electrons flow in _______ loops called ________.
A. Open; voltage B. Closed; voltage C. Open; curcuits D. Closed; circuits |
D. Closed; circuits
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What is the maximum cable length for STP?
A. 100feet B. 150feet C. 10 meters D. 100meters |
D. 100meters
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How many pairs of wires make up a UTP cable?
A. 2 B. 4 C. 6 D. 8 |
B. 4
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Which connector does UTP use?
A. STP B. BNC C. RJ-45 D. RJ-69 |
C. RJ-45
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What is an advantage that coaxial cable has over STP or UTP?
A. It is capable of achieving 10 Mbps to 10 Mbps. B. It is inexpensive. C. It can run for a longer distance unboosted. D. None of the above. |
C. It can run for a longer distance unboosted.
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What does the twisting of the wires do in a twisted-pair cable?
A. It makes it thinner. B. It makes it less expensive. C. It reduces noise problems. D. It allows six pairs to fit in the space of four pairs. |
C. It reduces noise problems.
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What is the importance of the EIA/TIA standards? Select all that apply.
A. They provide a framework for the implementation of the OSI reference model. B. They provide gudelines for manufactures to follow to ensure compatibility. C. They provide the minimum media requirements for multiproduct and multivendor. D. None of the above. |
B,C
B. They provide gudelines for manufactures to follow to ensure compatibility. C. They provide the minimum media requirements for multiproduct and multivendor. |
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A fiber-optic cable transmits multiple streams of LED-generated light.
A. Multimode B. Multchannel C. Multiphase D. Noe of the above |
A. Multimode
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What is one advantage of using fiber optic cable in networks?
A. It is inexpensive. B. It is easy to install. C. It is an industry standard and is available at any electronics store. D. It is capable of higher data rates than either coaxial or twisted-pair cable. |
D. It is capable of higher data rates than either coaxial or twisted-pair cable.
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