You need to attach an RJ-45 connector to the end of a Cat 6 UTP cable. Which tool should you use? |
Crimper Explanation A crimper is used to attach an RJ-45 connector to the end of a UTP cable. It pushes down on the pins in the RJ-45 connector, causing them to pierce the insulation of the individual wires in the UTP cable. A multimeter is used to measure electrical voltage and resistance. A tone probe is used to trace a UTP cable through walls and ceilings. A punchdown tool is used to connect UTP cabling to a punchdown block. |
You need to trace the route that a Cat 6 UTP cable takes through the ceiling and walls of your building. Which tool should you use? |
Tone probe Explanation A tone probe is used to trace a UTP cable through walls and ceilings. A tone generator is attached to one end of the cable. The the probe is used to audibly trace the wire. A multimeter is used to measure electrical voltage and resistance. A cable tester tests UTP cables for continuity and resistance. A punchdown tool is used to connect UTP cabling to a punchdown block. |
You need to connect the end of a Cat 6 UTP cable to a 110 punch down block. Which tool should you use? |
Punchdown tool Explanation A punchdown tool is used to connect UTP cabling to a punchdown block. A crimper is used to attach an RJ-45 connector to the end of UTP cable. A cable tester is used to test UTP cables for contuity and resistance. A loopback plug returns a transmitted electrical sign from a connector back to the receptor pins on the same connector. |
What are loopback plugs user for? |
Testing ports by returning output signals as input. Explanation Loopback plugs are used to test ports by returning output signals as input. Use a loopback plug to test the functionality of serial ports or networking ports. Null modem cables are used to connect computers using their serial ports without the need for a modem and phone line connection. A 3-prong holder is a tweezers-like tool, usually spring loaded in the open position, used to remove integrated circuit chips. |
Which tool would you use to grab and lift small objects? |
3-prong holder Explanation A 3-prong holder is a tweezer-like tool with three prongs used for grabbing and lifting small objects. A multimeter measures electrical properties such as voltage, amps, and resistance. An IC extractor is a tweezer-like tool, usually spring loaded in the open position, used to remove integrated circuit chips. A crimper with interchangeable die is a crimping tool with multiple dies for crimping different wiring configurations. |
Which tool would you use to measure electrical properties such as voltage, amps, and resistance? |
Multimeter Explanation A multimeter measures electrical properties such as voltage, amps, and resistance. A mini electronic combination wrench set is a set of standard wrenches which are designed in size and thickness to be used on electronic components. An IC extractor is a tweezer-like tool, usually spring loaded in the open position, used to remove integrated circuit chips. A crimper with interchangeable die is a crimping tool with multiple dies for crimping different wiring configurations. |
A printer is behaving erratically and you suspect a faulty parallel port. Which tool can you use to test the parallel port? |
Loopback plug. Explanation A loopback plug allows an output signal to be returned as input. Loopback plugs are used to test serial and parallel ports. A crimper is used to crimp different wiring configurations. A multimeter measures electrical properties such as voltage, amps, and resistance. An ammeter is an instrument that measures the flow of electric current in a circuit. |
You suspect that the power supply in your desktop PC is failing. You want to use a multimeter to test the power supply. Which multimeter setting should you use? |
DC volts Explanation To measure the output of a power supply measure DC voltage. A power supply converts AC voltage to DC voltage and supplies the DC power to computer components. AC is the voltage input for a power supply. To measure the input, measure the power from the wall socket. An ohm is a measure of resistance, used to check the properties of a resistor. Multimeters can measure amps, but do not measure watts. |
Which of the following tools is specifically designed to test the DC voltage on a hard disk drive power connector? |
Power supply tester Explanation A power supply tester is specifically designed to test DC voltage on most connectors coming from a PC power supply. A multimeter measures electrical properties such as voltage, amps, and resistance. A multimeter can also be used to test DC voltage on a Molex connector; however, it isn’t a tool dedicated to this purpose. A cable tester verifies that a network can carry a signal from one end to the other, and that all wires within the connector are in their correct positions. A loopback plug lets you test a port for proper functionality. The loopback plug crosses the receive and transmit wires. Essentially, this lets the computer send a signal to itself. |
Which tool would be the best choice to remove and replace the motherboard BIOS chip? |
IC extractor Explanation An IC extractor is a tweezer-like tool, usually spring loaded in the open position, used to remove integrated circuit chips. Using other tools, such a pliers or a screwdriver, could potentially damage the chip or the motherboard. A combination ratchet has interchangeable bits with a ratcheting handle that provides multiple features in a single tool. |
You are removing screws within a computer, but several have fallen into places you can’t reach. Which tool would help retrieve the small screws? |
Extension magnet Explanation An extension magnet is a small magnet on a collapsible rod that is used to retrieve screws that have fallen into a computer case or other areas you cannot reach. An IC extractor is a tweezer-like tool, usually spring loaded in the open position, used to remove integrated circuit chips. Unless the lost parts are in a easily accessible location, a screwdriver or pair of pliers would be unlikely to help you retrieve them. |
2.3.3 Practice Questions PC Tools
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