Operating System Fundamentals MCQs - Page 130

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Topic Notes: Operating System Fundamentals

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Master Operating System Fundamentals MCQs for Competitive Exams with our comprehensive, verified question bank. Designed for students and competitive exam aspirants across Pakistan, this study resource provides topic-wise practice questions for CSS, PMS, FPSC, PPSC, SPSC, KPPSC, BPSC, NTS, and university entry tests.

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Preparation Guide & Key Focus Areas for Operating System Fundamentals MCQs

When preparing for Operating System Fundamentals MCQs (Computer Science - IT), focus on core definitions, historical timelines, relevant provisions, and commonly tested factual points. Review each question below, test your knowledge against the given options, and inspect the detailed explanation to solidify your understanding.

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1291

Which attack aims to make a machine or network resource unavailable to its intended users?

1292

What is a 'pharming' attack?

A A mass email attack designed to distribute malware B An attack that redirects users from a legitimate website to a fraudulent one without their knowledge, often by poisoning DNS records C An attack where criminals impersonate someone through SMS messages D An attack that floods a system with traffic to cause a denial of service

1293

What is the main purpose of 'secure coding practices'?

A To write code that runs faster B To ensure that software is developed without vulnerabilities that could be exploited by attackers C To make software visually appealing to users D To ensure software is compatible with all operating systems

1294

An SQL Injection (SQLi) attack targets what component of a web application?

1295

What is the primary goal of a Denial-of-Service (DoS) attack?

1296

In the context of cryptography, what is "entropy"?

1297

A "false negative" in an IDS/IPS occurs when:

1298

A "teardrop" attack is a type of DoS attack that:

A Involves sending a person a sad email. B Sends fragmented IP packets to a target machine that are impossible to reassemble correctly, causing the system to crash. C Slowly drips data from a compromised server. D Targets teardrop-shaped logos.

1299

What is the primary function of an Intrusion Detection System (IDS)?

A To monitor network or system activities for malicious activity or policy violations and to produce reports or alerts. B To actively block potential intrusions in real-time. C To encrypt network traffic. D To act as a router for the network.

1300

A security system that detects a new type of attack by noticing a deviation from normal network traffic patterns is using what kind of detection method?

Operating System Fundamentals MCQs for Competitive Exams

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Topic Notes: Operating System Fundamentals

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