How many types of failure?
a) one
b) two
c) three
d) four
Explanation: system failure, media failure
Which of the following is known as instance failure?
a) media failure
b) system failure
c) disk failure
d) database failure
Which of the following is known as disk failure?
a) media failure
b) system failure
c) instance failure
d) database failure
Which of the following is used to protect database from media failure or other errors?
a) deadlock
b) backup
c) concurrency
d) consistency
How many types of backups?
a) one
b) two
c) three
d) four
Explanation: full backup, increment backup, online backup, offline backup
Which of the following backup is used to create a copy of all data
of entire database?
a) incremental backup
b) full backup
c) online backup
d) offline backup
