Cisco 100-140 Actual Free Exam Questions & Community Discussion

Exam Code/Number: 100-140
Exam Name/Title: Cisco Certified Support Technician (CCST) IT Support
Certification Provider: Cisco
Corresponding Certification: CCST

Exam Questions: 649
Updated On: Aug 04, 2026

Question #1

A user wants to set up Time Machine to perform regular backups of their MacBook Pro. They are unsure which storage solution to use.
What should the technician recommend?

A. Store backups on the internal hard drive

B. Use an external hard drive connected via USB

C. Use the MacBook's recovery partition for backups

D. Connect to an iCloud account for backing up

Discussion 0

Correct Answer: B Vote an answer

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Question #2

An office network's devices are configured to access the internet, but users report they can only access local network resources.
What should a technician check first to resolve this issue?

A. Whether each device's DNS server address is correctly configured

B. The speed of the connection on each network device

C. The security settings on the network firewall

D. Whether each device's default gateway is correctly configured

Discussion 0

Correct Answer: D Vote an answer

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Question #3

What should technicians be cautious of before updating firmware on critical systems?

A. Scheduling the update during peak business hours to ensure immediate support is available

B. Ensuring the firmware is sourced from unofficial third-party sites for faster access

C. Ensuring there is a backup before applying the update

D. Checking the firmware version to make sure it matches exactly what is required

Discussion 0

Correct Answer: C Vote an answer

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Question #4

During a system upgrade, a technician notices that a graphics card is not performing optimally. In Device Manager, the device is listed with a yellow exclamation mark next to it. What does this symbol indicate, and what should the technician do next?

A. There is a problem with the drivers or a resource conflict; update or reinstall the drivers

B. The device is outdated; replace the graphics card

C. The device is functioning properly but operating at low efficiency; update the device settings

D. The device is disabled; enable the device

Discussion 0

Correct Answer: A Vote an answer

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Question #5

A remote user is experiencing connectivity issues and the IT support technician needs to verify the user's IPv4 address to diagnose network problems.
Which of the following instructions should the technician give to the user to find their IPv4 address on a Windows 10 machine?

A. Right-click on the network icon in the taskbar and select "Open Network & Internet settings"

B. Open Command Prompt and type ipconfig

C. Navigate to Control Panel > Network and Internet > Network Connections

D. Go to Settings > Network & Internet > Wi-Fi > Hardware Properties

Discussion 0

Correct Answer: B Vote an answer

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Question #6

A technician is troubleshooting a PC where the USB ports are not recognizing any devices.
Which Device Manager status message would likely indicate the source of the issue?

A. "Windows cannot load the device driver for this hardware."

B. "No drivers are installed for this device."

C. "This device is disabled."

D. "This device is working properly."

Discussion 0

Correct Answer: A Vote an answer

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Question #7

An employee clicks on a link in an email that they later suspect to be a phishing attempt.
What is the first action they should take?

A. Continue working and monitor the system for any unusual activity

B. Immediately change all their passwords

C. Disconnect their computer from the internet and report the incident to IT security

D. Delete the email to prevent further risk

Discussion 0

Correct Answer: C Vote an answer

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Question #8

A company's email system stops sending and receiving messages abruptly. What should the IT support technician investigate first to identify the probable cause?

A. Review server logs for any recent errors or warnings

B. Check if the email server needs more storage space

C. Conduct a survey to see if users prefer a different email system

D. Suggest using personal email accounts until the issue is resolved

Discussion 0

Correct Answer: A Vote an answer

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Question #9

An IT support technician notices an increase in employees reporting spam emails. What is the most effective first step to address this issue?

A. Update spam filters and review their settings

B. Implement a new email system

C. Advise all employees to change their email passwords

D. Disconnect the email server from the network

Discussion 0

Correct Answer: A Vote an answer

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Question #10

During an online meeting, a user's microphone suddenly stops working. The microphone shows as active in the system's sound settings.
What is the most likely cause of this issue?

A. The microphone volume is set too low

B. There is an issue with the user's internet connection

C. The microphone is muted in the meeting software

D. The microphone needs to be replaced

Discussion 0

Correct Answer: C Vote an answer

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