Operating system mcqs security user authentication

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Operating system mcqs security user authentication

Question 1 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following are forms of malicious attack?
A
Theft of information
B
Modification of data
C
Wiping of information
D
All of the mentioned
Question 2 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are the common security threats?
A
File Shredding
B
File sharing and permission
C
File corrupting
D
File integrity
Question 2 Explanation: 
Sharing and associated permissions are usual exploits which can compromise the system.
Question 3 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are the characteristics of Authorization?
A
RADIUS and RSA
B
3 way handshaking with syn and fin
C
Multilayered protection for securing resources
D
Deals with privileges and rights
Question 4 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which happens first authorization or authentication?
A
Authorization
B
Authentication
C
Authorization & Authentication are same
D
None of the mentioned
Question 5 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is characteristic of RADIUS system?
A
It is essential for centralized encryption and authentication
B
It works on Network layer to deny access to unauthorized people
C
It provides centralized authentication mechanism via network devices
D
It's a strong File access system
There are 5 questions to complete.

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