Operating System Fundamentals MCQs - Page 131

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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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1301

What is "adaptive" or "risk-based" authentication?

A An authentication system that adapts its security requirements based on the risk level of the login attempt. B A system that requires all users to adapt to a new password every day. C An MFA method that is very risky. D A system where you can choose your own authentication method.

1302

What is "brute-forcing" a key?

1303

When an IDS/IPS matches traffic against a database of known malicious patterns, it is using:

1304

An IPS that is configured to be "fail-open" will do what in the event of a system malfunction?

1305

A bank's ATM requires you to have your debit card ("something you have") and enter your PIN ("something you know"). This is a real-world example of:

1306

How does an Intrusion Prevention System (IPS) differ from an Intrusion Detection System (IDS)?

A An IPS is less effective than an IDS. B There is no difference; the terms are interchangeable. C An IPS is placed "in-line" with traffic and can actively block or prevent detected intrusions, whereas an IDS is a passive monitoring tool. D An IDS can block attacks, but an IPS can only detect them.

1307

What is a "pass-the-hash" attack?

A An attack where an attacker passes a plate of hash browns. B A technique that allows an attacker to authenticate to a remote server by using the stored hash of a user's password, without needing the plaintext password itself. C An attack that targets hashtags on social media. D A type of brute-force attack.

1308

Using your location (geofencing) as part of an authentication decision is leveraging which potential factor?

1309

A \_\_ is anything that can cause harm to a system.

1310

The \_\_ of a threat measures its potential impact on a system.

Operating System Fundamentals MCQs for Competitive Exams

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