Which action is part of preventive maintenance for data security?

• Regularly backing up files to a secure location

• Defragmenting the printer cache

• Reinstalling the keyboard driver

• Increasing display brightness

Why should thermal paste be reapplied when replacing a CPU cooler?

• To maintain proper heat transfer between CPU and heatsink

• To increase RAM speed

• To disable unused network ports

• To extend keyboard lifespan

What is the importance of documenting maintenance activities?

• Provides a history for troubleshooting and compliance

• Ensures unlimited battery life

• Eliminates the need for system updates

• Guarantees printer toner savings

Which step helps prevent malware infections?

• Keeping antivirus and antimalware definitions up to date

• Disabling all firewall protection

• Reducing screen brightness

• Installing multiple web browsers

Why should surge protectors or UPS devices be used?

• To protect equipment from power fluctuations and outages

• To speed up Internet downloads

• To extend monitor resolution

• To increase wireless range

What is the main benefit of scheduling automated disk defragmentation?

• Improves file access speed on traditional hard drives

• Increases the life of the CPU

• Boosts wireless signal range

• Prevents accidental file deletion

Which backup method only copies files changed since the last full backup?

• Incremental backup

• Formatting

• Disk defragmentation

• File compression

Why should system updates and patches be applied regularly?

• To fix security vulnerabilities and improve stability

• To increase the size of the hard drive

• To permanently speed up the Internet connection

• To remove the need for antivirus software

Which practice helps keep a system free from dust and overheating?

• Regular cleaning of fans and air vents

• Installing more software applications

• Disabling all startup programs

• Changing the keyboard layout

What is the purpose of preventive maintenance on computer systems?

• To reduce failures and extend equipment life

• To increase CPU clock speed automatically

• To eliminate the need for data backups

• To remove the requirement for user training