What is a potential risk of performing a firmware update?

The device may become non-functional if the update is interrupted.

The device will lose all user data permanently.

The update will void the device warranty.

The device will become slower after the update.

A user's laptop will not power on. The user says the battery was completely drained last night. The power adapter is plugged into the wall and the laptop. What should you do first?

Remove the battery and run the laptop on AC power only.

Replace the battery because it is likely dead.

Plug the laptop in and wait a few minutes, then press the power button.

Press the power button for 30 seconds to reset the laptop.

A technician is about to update the firmware of a RAID controller in a server. What is the most important precaution to take before starting the update?

Ensure the server is on a UPS and the update process is not interrupted.

Update the server's BIOS first to ensure compatibility with the new firmware.

Remove all hard drives from the server to protect them from the update.

Disable the RAID array in the BIOS to prevent access during the update.

A laser printer has a solid amber LED on its control panel, and the display shows 'Error 54'. The printer is on and connected to the network. Which action should you take first?

Power-cycle the printer to clear the error.

Replace the toner cartridge because the amber LED indicates low toner.

Check the network cable connection to the printer.

Consult the printer's manual or vendor support site for the meaning of Error 54.

A technician is troubleshooting a laptop that fails to POST. The technician suspects a BIOS issue and considers updating the BIOS. The laptop is running on battery because the AC adapter is not available. What is the most critical consideration before proceeding?

Disconnect all peripherals to reduce power draw.

Update the BIOS using the manufacturer's Windows-based utility.

Remove the CMOS battery to reset the BIOS before updating.

Ensure the battery is fully charged and the laptop is not likely to lose power during the update.

CiscoCertified Support Technician (CCST) IT Support

Domain 2Objective 5

2.5. Investigate Commonly Encountered Hardware Issues. 100-140 Practice Questions (Page 3)

Part of the Hardware Issues domain, which makes up ~22% of our current practice bank. Cisco does not publish an official question count, but from its 50-minute exam (~20–35 total, ~4–8 in this domain), expect 1–2 from this objective — we provide 34 practice questions to prepare you well beyond it. (estimate)

34questions here

7free pages

5concepts

Questions 11–15

11foundation · easy
What is a potential risk of performing a firmware update?
Select an answer first
12application · medium
A user's laptop will not power on. The user says the battery was completely drained last night. The power adapter is plugged into the wall and the laptop. What should you do first?
Select an answer first
13application · medium
A technician is about to update the firmware of a RAID controller in a server. What is the most important precaution to take before starting the update?
Select an answer first
14application · medium
A laser printer has a solid amber LED on its control panel, and the display shows 'Error 54'. The printer is on and connected to the network. Which action should you take first?
Select an answer first
15expert · hard
A technician is troubleshooting a laptop that fails to POST. The technician suspects a BIOS issue and considers updating the BIOS. The laptop is running on battery because the AC adapter is not available. What is the most critical consideration before proceeding?
Select an answer first

Finished these 5 questions?

Review the revealed explanations, or continue through the curriculum.

Next 5 questions →Back to 100-140

Free Basic Practice is a study aid with revealable answers — not a scored exam. Examers.io is independent and not affiliated with or endorsed by Cisco. “100-140” is a trademark of its owner, used for identification only.