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Worksheetscomputer security
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
A service that enhances the security of data processing systems and information transfers. A security service makes use of one or more security mechanisms.
a)
Security Service
b)
Security Mechanism
c)
Security Attack
2.
Defense of the system against internal and external attacks
a)
Security
b)
Protection
c)
Attack
3.
Any mechanism for controlling access of processes or users to resources defined by the OS
a)
Security
b)
Protection
c)
Attack
4.
means that assets can be modified only by authorized parties or only in authorized ways
a)
confidentiality
b)
integrity
c)
availability
5.
ensures that computer-related assets are accessed only by authorized parties
a)
confidentiality
b)
integrity
c)
availability
6.
means that assets are accessible to authorized parties at appropriate times
a)
confidentiality
b)
integrity
c)
availability
7.
The common technique for masking con
a)
encryption
b)
Security
8.
where by unauthorized makes modifications to a message data stream or file
a)
Active attack
b)
Passive Attack
9.
Is an attempt to make a computer or network resource unavailable to its intended users.
a)
Masquerading
b)
Replay
c)
Message Modification
d)
Denial of Service
10.
a)
confidentiality
b)
integrity
c)
availability
11.
a)
Masquerading
b)
Replay
c)
Message Modification
d)
Denial of Service
12.
a)
Masquerading
b)
Replay
c)
Message Modification
d)
Denial of Service
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