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
