Operating System Mcqs

Page No. 96

Which principle states that programs, users and even the systems be given just enough privileges to perform their task?


aprinciple of operating system


bprinciple of least privilege


cprinciple of process scheduling


dnone of the mentioned



In asymmetric encryption _____________


asame key is used for encryption and decryption


bdifferent keys are used encryption and decryption


cno key is required for encryption and decryption


dnone of the mentioned



Multipartite viruses attack on _____________


afiles


bboot sector


cmemory


dall of the mentioned


View Answer all of the mentioned

File virus attaches itself to the _____________


asource file


bobject file


cexecutable file


dall of the mentioned


View Answer executable file

Which one of the following is not an attack, but a search for vulnerabilities to attack?


adenial of service


bport scanning


cmemory access violation


ddumpster diving


View Answer port scanning

What is a trap door in a program?


aa security hole, inserted at programming time in the system for later use


ba type of antivirus


csecurity hole in a network


dnone of the mentioned



Which one of the following is a process that uses the spawn mechanism to ravage the system performance?


aworm


btrojan


cthreat


dvirus


View Answer worm

The pattern that can be used to identify a virus is known as _____________


astealth


bvirus signature


carmoured


dmultipartite


View Answer virus signature

The internal code of any software that will set of a malicious function when specified conditions are met, is called _____________


alogic bomb


btrap door


ccode stacker


dnone of the mentioned


View Answer logic bomb

The code segment that misuses its environment is called a _____________


ainternal thief


btrojan horse


ccode stacker


dnone of the mentioned


View Answer trojan horse

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