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

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bprinciple of least privilege

✓


cprinciple of process scheduling

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dnone of the mentioned

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In asymmetric encryption _____________


asame key is used for encryption and decryption

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bdifferent keys are used encryption and decryption

✓


cno key is required for encryption and decryption

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dnone of the mentioned

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Multipartite viruses attack on _____________


afiles

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bboot sector

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cmemory

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dall of the mentioned

✓


View Answer all of the mentioned

File virus attaches itself to the _____________


asource file

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bobject file

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cexecutable file

✓


dall of the mentioned

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View Answer executable file

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


adenial of service

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bport scanning

✓


cmemory access violation

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ddumpster diving

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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

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csecurity hole in a network

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dnone of the mentioned

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


aworm

✓


btrojan

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cthreat

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dvirus

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View Answer worm

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


astealth

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bvirus signature

✓


carmoured

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dmultipartite

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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

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ccode stacker

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dnone of the mentioned

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View Answer logic bomb

The code segment that misuses its environment is called a _____________


ainternal thief

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btrojan horse

✓


ccode stacker

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dnone of the mentioned

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View Answer trojan horse

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