2.1 - security measures and their purposes | A+ Core 2 1202 complete course with practice questions

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CompTIA A+ 1102 (Core 2) Exam Prep: Physical Security and Access Control (Objective 2.1)
Crush CompTIA A+ 1102 (Core 2) Exam Objective 2.1! 🚀 This video is your complete guide to Physical Security and Access Management—everything you need to know to pass the test, with zero wasted time.

We break down every key concept, give you the context you need for real-world scenarios, and finish with practice questions to test your knowledge!

🎯 What You'll Learn in This Lesson:
1. Physical Security Measures
Get familiar with different physical security types, what they do, and when to use them to protect assets, people, and premises. We cover:

Bollards: Used to prevent unauthorized vehicles and delay ramming attacks.

Access Control Vestibules / Man Traps: Critical for preventing tailgating by ensuring only one person can enter at a time.

Badge Readers & Door Locks: Standard measures for preventing unauthorized physical access.

Video Surveillance: Learn its primary role as a deterrent and a detection method (for evidence).

Alarm Systems & Motion Sensors: Key tools for intrusion detection and triggering an immediate response.

Equipment Locks & Perimeter Fences: Measures to prevent theft and deter access to the premise.

Security Guards: Provide an active deterrent and detection presence.

Lighting: Considered a powerful deterrent that makes other security measures more effective.

Magnetometers: Devices used for detecting metal threats (also a deterrent).

2. Physical Access & Authentication Methods
Learn the methods used for authenticating to gain access, covering credential-based and biometric technologies:

Key Fobs, Smart Cards, & Traditional Keys: Physical items used to gain entry.

Mobile Digital Keys: The convenient modern method using your smartphone (via Bluetooth, NFC, or Wi-Fi).

Biometric Authentication: Using something you are—including retina, fingerprint, palm print, facial, and voice recognition.

3. Theoretical & Digital Security Concepts
We dive into the core security theories and modern digital management tools:

Principle of Least Privilege: Granting users only the absolute minimum permissions necessary to perform their job, reducing the surface area of risk.

Zero Trust Model: The security model where no user or device is trusted by default; all access must be authenticated and authorized.

Access Control List (ACL): Lists defining which users can access resources and what actions they can perform (Read, Write, Execute).

Multi-Factor Authentication (MFA): Requiring two or more different types of authentication factors (something you know, have, or are).

SAML & Single Sign-On (SSO): Protocols that allow you to sign on once to securely access multiple services.

Just-in-Time Access (PAM): Granting powerful access only when strictly needed, and immediately revoking it afterward.

Data Loss Prevention (DLP): Software that monitors for sensitive data (like credit card numbers) and blocks it from leaving the network.

Mobile Device Management (MDM) & Identity Access Management (IAM): Tools for securing and managing users and their devices across all systems.

📝 Practice Questions
Stick around for the end of the lesson to test your knowledge with scenario-based practice questions! We cover key topics like vehicular security, tailgating prevention, and implementing least privilege to ensure you’re ready for the exam.

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0:00 Introduction
0:36 Physical Security
7:40 Physical Access Security
11:18 Logical Security
16:20 Practice Questions