Which of the following backup is used to create a copy of only the data that have changed since last backup?
a) incremental backup
b) full backup
c) online backup
d) offline backup
Which of the following backup that is performed after a database has been shut down?
a) incremental backup
b) full backup
c) online backup
d) offline backup
Which of the following backup that is performed while database is running?
a) incremental backup
b) full backup
c) online backup
d) offline backup
The process of protecting database from intentional or accidental threat is called
a) data backup
b) database security
c) consistency
d) deadlock
How many factors that are used in database security?
a) three
b) four
c) five
d) six
Explanation: theft and fraud, loss of confidentiality, loss of privacy, loss of integrity, loss of availability
A situation or event that may affect a system adversely is called……..
a) data backup
b) database security
c) consistency
d) database security threat
