CompTIA A+ Core 2

A Windows workstation becomes unstable immediately after a display-driver update. Which recovery action most directly reverses that change?

A Windows application is unresponsive while the rest of the desktop works. Which tool is most appropriate to end that application's process?

A Windows technician needs detailed application and system event logs for a recurring crash. Which tool should be used?

Which Windows command displays the workstation's IPv4 address, subnet mask, and default gateway?

A technician suspects Windows protected system files were damaged. Which command checks their integrity and attempts repair from available sources?

An NTFS file has a read permission entry for a group and an applicable explicit deny-write entry for that same group. What happens when an ordinary member attempts to modify the file?

A Windows device stores sensitive customer records and could be stolen. Which control best protects the data on its internal drive while the device is powered off?

A standard user receives a User Account Control prompt when installing approved system software. What is the intended purpose of the prompt?

A technician needs to list hidden files in a Linux directory. Which command is appropriate?

A Linux file should be readable and writable by its owner, with no access for the group or others. Which permission mode fits?

A technician needs to inspect the last lines of a Linux text log as new records are added. Which command is most appropriate?

A macOS user wants automated, versioned backups to a supported backup destination. Which built-in feature is designed for this purpose?

A company plans an operating-system upgrade on a workstation with a specialized business application. What should happen before the upgrade?

A workstation boots correctly in Safe Mode but fails during a normal startup. What does this observation suggest?

A user receives a message demanding an immediate password reset through an unfamiliar link. What is the best response?

A user gives a remote caller a one-time authentication code, believing the caller is IT support. Which attack technique is illustrated?

A technician suspects an actively spreading malware infection on a workstation. What is the best immediate containment action under the incident procedure?

Why should a user have a standard account for routine work and a separate privileged account for administration?

A shared workstation must lock automatically when unattended. Which setting most directly implements this requirement?

A laptop is leaving the company permanently and contains confidential data on an SSD. What should the technician do before disposal?