Podcast
Questions and Answers
What type of measurements can a digital multimeter take?
What type of measurements can a digital multimeter take?
How does a loopback adapter help in testing computer ports?
How does a loopback adapter help in testing computer ports?
What is the main purpose of the toner probe in diagnostics?
What is the main purpose of the toner probe in diagnostics?
Why do technicians use software tools in diagnosing computer problems?
Why do technicians use software tools in diagnosing computer problems?
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What do disk management tools primarily help technicians with?
What do disk management tools primarily help technicians with?
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Why is it important for technicians to be able to use a range of software tools?
Why is it important for technicians to be able to use a range of software tools?
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Which disk management tool is used to scan the operating system critical files and replace corrupted files?
Which disk management tool is used to scan the operating system critical files and replace corrupted files?
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Which step of a test procedure involves running tests again to validate the data gathered from the initial tests?
Which step of a test procedure involves running tests again to validate the data gathered from the initial tests?
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If a user requested an upgrade to make their display run at a specific resolution, which step of a test procedure would involve verifying that this requirement was met?
If a user requested an upgrade to make their display run at a specific resolution, which step of a test procedure would involve verifying that this requirement was met?
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Which disk management tool is used to optimize space on a hard drive to allow faster access to programs and data?
Which disk management tool is used to optimize space on a hard drive to allow faster access to programs and data?
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If the result of a network connection test using ping shows 'Request timed out', which step of a test procedure would this be classified under?
If the result of a network connection test using ping shows 'Request timed out', which step of a test procedure would this be classified under?
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What is the purpose of the Disk Cleanup tool?
What is the purpose of the Disk Cleanup tool?
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Study Notes
Diagnostic Tools for Testing Installed Hardware Components
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Digital multimeter: a device that takes various measurements to test circuit integrity and electricity quality in computer components, displaying information on an LCD or LED screen.
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Loopback adapter (loopback plug): tests basic functionality of computer ports, specific to the port being tested.
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Toner probe:
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A two-part tool consisting of a toner and a probe.
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The toner generates a tone that travels through a cable, and the probe traces the cable, emitting a tone through a speaker when near the cable.
Software Tools for Diagnosing Computer and Network Problems
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Various software tools can help technicians pinpoint and troubleshoot problems, many of which come with the Windows operating system.
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Disk Management Tools:
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Help diagnose disk errors, prepare disks for data storage, and remove unwanted files.
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Include FDISK (command-line tool for creating and deleting partitions on hard drives), Disk Management Tool, Format, ScanDisk/CHKDSK, Defrag, Disk Cleanup, and System File Checker (SFC).
Test Procedures
- A set of steps guiding technicians through testing the installation to ensure everything is tested thoroughly.
- Include:
- Gathering test information: running required tests and recording results in a log.
- Validating test information: checking data accuracy by re-running tests.
- Responding to test information: recognizing successful or problematic tests.
- Checking specification: verifying that the installation meets specifications.
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Description
Explore the use of diagnostic tools for testing installed hardware components and peripherals. Learn about digital multimeters and loopback adapters for testing circuit integrity and electricity quality in computer components.
