Computer Security (Online Practice) Page 5
Q1: Which one is the best way for protecting software?
- a) back up
- b) password
- c) scanning
- d) all
Q2:...... is kept in computer to protect data, programs software from unauthorized user.
- a) anti virus program
- b) password
- c) debug
- d) all
Q3: Which is used for protecting computer from sudden power failure?
- a) UPS
- b) stabilizer
- c) volt guard
- d) generator
Q4: Common computer security refers to:
- a) hardware security
- b) software security
- c) both a & b
- d) none
Q5: Scandisk is used for analyzing and repairing damages of :
- a) physical clusters
- b) FAT
- c) lost clusters
- d) all
Computer Security (Online Practice) Page 4
Q1: Scandisk is used for .....
- a) removing virus
- b) removing bad clusters
- c) backup data
- d) all of above
Q2: A method of making the data or message unreadable by everyone except the receiver while transmitting through the internet.
- a) digital signature
- b) password
- c) encryption
- d) none of above
Q3: A UPS ...
- a) increases the storage capacity of computer
- b) increases the processing speed
- c) provides backup power in the event of power cut
- d) all of above
Q4: Which device protects hardware?
- a) UPS
- b) MODEM
- c) gateway
- d) all of them
Q5: To protect computer from virus, keep ....
- a) back up
- b) boot up
- c) back off
- d) boost off
Computer Security (Online Practice) Page 3
Q1: Which device protects PC against power surges and spikes?
- a) UPS
- b) voltage regulator
- c) surge suppressor
- d) all
Q2: Which measure is used to avoid access for unauthorized user?
- a) logins
- b) password
- c) encryption
- d) lock and key
Q3: Choose the odd one.
- a) UPS
- b) backup
- c) scandisk
- d) password
Q4: Choose the odd one.
- a) hacking
- b) program errors
- c) modifying data
- d) stealing data
Q5: Access control of computer system is done by
- a) authentication of users
- b) access control of data
- c) encryption of sensitive data
- d) all of above
Computer Security (Online Practice) Page 2
Q1: What is the person called who use a computer and a network to intrude into another computer or system to perform and illegal act.
- a) programmer
- b) hacker
- c) terrorist
- d) spammer
Q2: Protection of computer resources like programs, files and other information from any kind of damage is:
- a) computer security
- b) hardware security
- c) software security
- d) none
Q3: Which of the following process is used to optimize the read/write process by realigning the positions of related files clutters to speed up the overall operation of the drive?
- a) scandisk
- b) defragmentation
- c) fragmentation
- d) all of above
Q4:What is used to prevent the loss of data during power failures?
- a) encryption program
- b) surge protector
- c) firewall
- d) UPS
Q5: Which device can shield electronic equipment from power spikes?
- a) volt guard
- b) surge protector
- c) firewall
- d) UPS
Computer Security (Online Practice) Page 1
Q1: The term computer security refers to:
- a) use of antivirus
- b) protection of software
- c) protection to a computer system
- d) use of firewall
Q2: An important countermeasure against data corruption or loss.
- a) password policy
- b) defragmentation
- c) scandisk
- d) backup system
Q3: Which is not power protection device?
- a) UPS
- b) spike guard
- c) volt guard
- d) scan disk
Q4: Password gives the user access to a particular
- a) program or system
- b) hardware
- c) volt guard
- d) none
Q5: Which protects the machine and peripheral devices from being damage?
- a) information security
- b) hardware security
- c) software security
- d) none
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