Froggy Jumps Protection against data loss and unauthorized access ( Form 2, Computer Science)Online version Quiz on data security basics by YAKILI LMS 1 What is unauthorized access? a Backing up data automatically b Accessing data without permission c Sharing data with teammates 2 Which action is an example of strong authentication? a Using a simple PIN only b Using a password and a fingerprint c Storing password in a text file 3 Which technique protects data from unauthorized access? a Defragmentation b Encryption c Disk cleanup 4 What does a firewall primarily do? a Backups data to cloud b Deletes old files c Monitors and blocks unauthorized access 5 Which is a preventive security measure? a Using the same password everywhere b Regular software updates c Ignoring security alerts 6 What is backup in simple terms? a A copy of data stored separately b A live database only c Deleting old files 7 Which backup type copies all data every time? a Incremental backup b Full backup c Differential backup 8 Which backup type saves only changes since last backup? a Mirror backup b Incremental backup c Full backup 9 Which backup type saves data since last full backup? a Differential backup b Mirror backup c Incremental backup 10 What is online backup? a Data stored on remote servers via internet b Data stored on the same device only c Data stored on USB drive only 11 What is local backup? a Data stored only in the cloud b Data never stored c Data stored on a local device or drive 12 Which is a key advantage of online backup? a Offsite storage helps protection from theft b Less secure than local c Requires physical access only 13 Which is a disadvantage of online backup? a Always instant restores b No maintenance required c Depends on internet connection 14 What is a strong password practice? a Use the word 'password' b Use only letters c Use a mix of letters, numbers, and symbols 15 What does two-factor authentication provide? a More storage space b Two separate proofs of identity c Faster logins only 16 Which is a sign of weak data protection? a Sharing passwords across apps b Regular backups c Using two-factor auth 17 Why should backups be tested? a To ensure data can be restored b To delete old data c To speed up the computer 18 What is data privacy? a Control over who accesses data b Sharing all data publicly c Deleting all data 19 Which device helps protect data when stolen? a Screensaver b Encryption c Screen brightness 20 What is a backup plan? a A way to speed up internet b A routine to delete files c A documented method to recover data 21 Which protects data at rest? a Public sharing of files b Encryption of stored data c Using USB without encryption 22 How can you limit unauthorized access? a Disable all security b Access controls and user permissions c Share admin rights widely 23 What is the purpose of backups? a To recover from data loss b To slow down the computer c To replace hardware 24 Which is true about online backups? a They require internet access b No power supply needed c No data transfer occurs 25 Which action strengthens data security at school? a Saving passwords on desk b Leaving screens unlocked c Locking devices when not in use 26 What is a phishing attempt? a A software update you trust b Pretending to be someone else to steal data c A harmless email 27 Which method protects data during transfer? a FTP without encryption b HTTP only c Secure protocols (https, TLS) 28 What should backups be labeled as? a Date and content description b Only numbers c Random names 29 Which is a disadvantage of local backups? a Always safer than online b Local hardware failure can lose data c Never fails 30 Which is a benefit of online backups? a Only for large files b No setup needed c Easy access from anywhere with internet 31 What does 'data loss' mean? a Data spread across devices b Inability to access data you need c Data enhanced by replication 32 Which protects against unauthorized access to networks? a Intrusion detection systems b System clutter c Open permissions 33 What is 'data integrity'? a Data is always online b Data is always encrypted c Data is accurate and not altered 34 Which is a human factor for security? a Only hardware upgrades b Awareness and training c Ignoring warnings 35 What is a disaster recovery plan? a Steps to resume operations after a major loss b A plan to replace devices c A plan to delete data 36 Which is best practice for password storage? a Storing on sticky notes b Storing in plaintext c Hashing with salt 37 What does antivirus software do? a Increase RAM b Detects and removable malware c Defrag hard drive 38 Which is NOT a backup method? a Cloud backup b External hard drive backup c Discarding old files regularly 39 Which is a sign of a secure system? a Ignoring updates b Using default settings c Regular security audits 40 What is data redundancy? a Hiding data away b Deleting extra copies c Storing copies to prevent loss 41 Which protects mobile data? a Sharing device openly b Disabling updates c Screen lock and encryption 42 What is ransomware? a A harmless joke b Malware that blocks access until paid c A backup file type 43 Why rotate passwords periodically? a Requires new device b Reduces risk if a password is leaked c Increases office gossip 44 What is a security policy? a A computer sleight of hand b Rules for safe data use c A yearly festival 45 What should be encrypted on a USB drive? a Public music files b Non-sensitive photos c Any sensitive files 46 Which is a good practice for data retention? a Never delete anything b Keep everything forever c Keep only needed data and delete old 47 What is data localization in backups? a Data moves randomly b Storing data in a chosen location c Data becomes public 48 What is a full backup? a A backup of only changed files b A complete copy of all selected data c A copy of system settings only 49 What is an incremental backup? a Backs up data once a year only b Backs up all data every time c Backs up only data that changed since last backup 50 Which backup type minimizes storage but increases restore time? a Full backup b Incremental backup c Mirror backup
