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MCQ

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

worm

trojan

threat

virus

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What are characteristics of Network based IDS?

They look for attack signatures in network traffic

Filter decides which traffic will not be discarded or passed

It is programmed to interpret a certain series of packet

It models the normal usage of network as a noise characterization

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What are the characteristics of Host based IDS?

The host operating system logs in the audit information

Logs includes logins,file opens and program executions

Logs are analysed to detect tails of intrusion

All of the mentioned

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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 are the three additional operations to change the contents of the access-matrix?

copy

Owner

control

all of the mentioned

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What is the role of base/bound registers?

They give starting address to a program

Program

They provide encrypted environment

This technique doesn

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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

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