100-140 exam dumps

100-140 practice question 57 of 390

Cisco Certified Support Technician (CCST) IT Support. Associate level, Cisco. Free question with the correct answer and a full explanation.

100-140 Question 57

Select 3

An end user contacts you for help in finding the serial number of their Windows 10 laptop for warranty purposes. Which of the following tools or methods could you guide them to use?

  1. A

    Open the Command Prompt and use the command 'wmic bios get serialnumber'

  2. B

    Navigate to Settings > System > About and look under 'Device specifications'

  3. C

    Check the label on the bottom or back of the laptop for the serial number

  4. D

    Use the 'Task Manager' application to locate the serial number

  5. E

    Open the Device Manager and search for the serial number under 'System devices'

Show answer and explanation

Correct answers: A, B, C

Explanation

To locate a device's serial number, users can rely on both software tools and physical inspection. Command Prompt and the Settings menu are reliable methods in Windows 10 for retrieving the serial number. Additionally, many laptops have a physical label with the serial number, making it another valid option. Task Manager and Device Manager, however, are not designed for this purpose and do not provide the serial number.

  • A. Correct.

    This is correct. The 'wmic bios get serialnumber' command in Command Prompt retrieves the serial number directly from the system BIOS.

  • B. Correct.

    This is correct. The Settings > System > About section in Windows 10 often displays the serial number of the device.

  • C. Correct.

    This is correct. Many laptops have a physical label on the bottom or back that includes the serial number.

  • D. Incorrect.

    This is incorrect. Task Manager is used for monitoring system performance and running processes, but it does not display the serial number.

  • E. Incorrect.

    This is incorrect. Device Manager is used to manage hardware devices and drivers but does not provide the serial number.

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