What do you mean by security in
computer system?
a) to prevent
b) to protect
c) to present
d) all of these
Which of the following departments computer network is necessary now days?
a) electric power
b) tele-communications
c) transportation system
d) all of these
Which of the following provides various
mechanisms to protect data and programs?
a) operating system
b) system security
c) system network
d) none of these
Which of the following are examples of malicious accessing?
a) unauthorized reading of data
b) unauthorized modification of data
c) unauthorized destruction of data
d) all of these
Which of the following levels security levels must be measured?
a) physical level
b) human level
c) conceptual level
d) both a & b
Which of the following is the major security problems of operating system?
a) authentication
b) authorization
c) both a & b
d) none of these
