Cisco 100-140 Cisco Certified Support Technician (CCST) IT Support Online Training
Cisco 100-140 Online Training
The questions for 100-140 were last updated at Oct 20,2025.
- Exam Code: 100-140
- Exam Name: Cisco Certified Support Technician (CCST) IT Support
- Certification Provider: Cisco
- Latest update: Oct 20,2025
A user reports that the screen brightness on their Windows 10 laptop is too high, causing eye strain.
What should the technician instruct the user to adjust first?
- A . Modify the color calibration settings
- B . Change the screen saver settings
- C . Adjust the brightness settings from the system tray
- D . Update the graphics card drivers
During a presentation, a user finds that the projected image is too dim, making it difficult for the audience to see.
Which action should the user take to resolve this issue on a Windows laptop?
- A . Increase the contrast setting through the display adapter properties
- B . Adjust the brightness setting using the function keys on the laptop
- C . Change the display mode to extend these displays
- D . Reconfigure the power saving settings
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
An IT administrator is setting up access for a new team member who needs to manage EC2 instances but should not have access to manage RDS databases.
Which AWS IAM feature should the administrator use to configure these permissions?
- A . Group memberships
- B . Multi-factor authentication
- C . Custom IAM policies
- D . IAM roles for EC2
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
During an IT department audit, it was noted that response times could be improved. The IT manager is considering changes to optimize support processes.
Which of the following would most effectively reduce the time to first response?
- A . Introducing a triage system that categorizes tickets upon receipt
- B . Implementing mandatory overtime for technicians during peak periods
- C . Encouraging technicians to take fewer breaks
- D . Increasing the number of technicians on each shift
An IT support technician is configuring multifactor authentication (MFA) for a secure application. The organization wants to use an authenticator app that generates time-based one-time passwords (TOTPs).
Which of the following aspects should the technician emphasize as the most secure practice when deploying this MFA method?
- A . Requiring users to install the authenticator app on their corporate computers
- B . Advising users to store backup codes in a secure but accessible location
- C . Encouraging users to synchronize their app across multiple devices
- D . Setting the TOTP to expire after each login session
The IT department is implementing MFA for accessing the company’s VPN. The security policy mandates the use of a physical hardware token in addition to regular passwords.
What is the primary security benefit of using a hardware token for MFA in this scenario?
- A . It eliminates the need for a password
- B . It can be remotely updated by IT at any time
- C . It provides a physical object that must be possessed in order to authenticate
- D . It allows for an unlimited number of authentication attempts
A user reports that they are unable to access their account despite entering the correct password and using their smartphone-based authenticator app for MFA.
What is the first troubleshooting step the technician should take?
- A . Reset the user’s password immediately
- B . Check for and resolve any time-sync issues on the user’s smartphone
- C . Disable MFA temporarily to verify the user’s password
- D . Recommend that the user switches to a different type of MFA device
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
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