Cisco 100-140 Practice Exams
Last updated on Apr 09,2025- Exam Code: 100-140
- Exam Name: Cisco Certified Support Technician (CCST) IT Support
- Certification Provider: Cisco
- Latest update: Apr 09,2025
A technician needs to replace a faulty power supply unit (PSU) inside a desktop computer.
What safety procedure should be followed to minimize the risk of electrical shock?
- A . Disconnect the PSU from the motherboard but leave the computer plugged in for grounding
- B . Ensure the computer is unplugged and press the power button to discharge any residual power
- C . Wear rubber gloves and proceed to replace the PSU without unplugging the computer
- D . Spray the interior with compressed air while the computer is plugged in to remove dust before
proceeding
A technician needs to check network cables in a tight and cluttered server room.
What safety precaution is most important to prevent accidents?
- A . Move quickly through the server room to minimize time spent in a confined space
- B . Use appropriate signage to indicate maintenance is in progress and secure loose cables before beginning work
- C . Bring additional lighting to use if the server room lighting is insufficient
- D . Keep all tools in a belt to avoid leaving them on the floor
A user’s Windows 10 PC is experiencing frequent system crashes and blue screen errors. The user needs to perform diagnostic tests to identify the issue.
What should the technician instruct the user to do first?
- A . Reinstall the operating system
- B . Boot the PC into Safe Mode
- C . Replace the PC’s hard drive
- D . Update the PC’s BIOS
A team of IT support technicians at a large corporation uses various time management techniques to handle a high volume of support tickets efficiently.
Which technique would best ensure a balanced workload and effective time utilization among the team members?
- A . Assigning tickets to technicians based solely on their current availability
- B . Utilizing a time tracking tool to monitor and adjust ticket handling times
- C . Allocating specific time blocks for non-urgent tickets
- D . Implementing a policy where technicians choose their tickets based on personal preference
A company’s IT support team is revising its Service Level Agreement (SLA) to better meet client expectations and improve ticket resolution times.
Which of the following SLA modifications would most effectively ensure a higher standard of service?
- A . Specifying more detailed penalties for SLA non-compliance
- B . Shortening the response time for high-priority tickets
- C . Extending the support hours available to clients
- D . Offering discounts for service extensions
A user reports that an application has become unresponsive and is preventing them from completing their work.
What is the first step the technician should recommend to resolve this issue quickly?
- A . Restart the computer
- B . End the application’s process via Task Manager
- C . Uninstall and reinstall the application
- D . Run a virus scan
A company requires its developers to access AWS resources from the corporate office only.
What should be included in the IAM policy to enforce this requirement?
- A . Resource tags
- B . IP whitelisting in the policy condition
- C . Time-based restrictions
- D . SAML 2.0 integration
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
A user is working outdoors and finds the screen of their Windows 10 device difficult to see in bright sunlight.
What is the quickest way for the user to improve screen visibility?
- A . Enable High Contrast mode through the Ease of Access settings
- B . Adjust the display brightness from the settings application
- C . Activate Windows Night Light feature
- D . Turn off automatic brightness control
A user is preparing to upgrade their Linux system and needs to check their current operating system version to ensure compatibility with new software.
Which command should the technician advise the user to execute?
- A . uname -r
- B . cat /etc/*-release
- C . lsb_release -a
- D . dmesg | grep Linux