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MCQ

What is true regarding

Its a method to confine users to one side of a boundary

It can protect Operating system from one user

It cannot protect users from each other

All of the mentioned

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What are the characteristics of anomaly based IDS?

It models the normal usage of network as a noise characterization

It doesn

Anything distinct from the noise is not assumed to be intrusion activity

It detects based on signature

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What is true about Indirection to revoke capability?

Capabilities point indirectly to the objects

Each capability will not have a unique entry in global

Table entries cannot be reused for other capabilities

This system was adopted in MULTICS system

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What is the problem of mutually suspicious subsystem?

Service program can steal users data

Service program can malfunction and retain some rights of data provided by user

Calling program can get access to restricted portion from service program

Calling program gets unrestricted access

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When an attempt is to make a machine or network resource unavailable to its intended users, the attack is called _____________

denial-of-service attack

slow read attack

spoofed attack

starvation attack

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MCQ

Which mechanism is used by worm process?

Trap door

Fake process

Spawn Process

VAX process

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category More Operating System Topics

Introduction to Operating System

Types

Services

Structures

Processes

Threads

CPU Scheduling

Process Synchronization

Memory Management

Storage Management

Input Output Systems

Networking

Distributed Operating System

Protection and Security

Unix

Linux

MS Windows

Mixed

Operating Systems Overview

Process Management

Finding and Processing Files

File Management

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