Скачать или смотреть 2.3 - wireless protocols and authentication | A+ Core 2 1202 complete course with practice questions

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Exam Prep: Protocols and Encryption (Exam Objective 2.3)
Hey everybody, welcome to this lesson focused on Exam Objective 2.3 for your 1202 exam! I'm covering everything you need to know about Protocols and Encryption, including giving you practice questions at the end.

In this video, we'll break down the different security protocols and encryption methods you need to master to ace your exam, focusing on how to determine the strongest combination for various scenarios.

Key Topics Covered:

Wi-Fi Security Protocols:

WPA2 (Wi-Fi Protected Access 2): The current standard, using strong AES encryption, but with a known past vulnerability.

WPA3: The newest and most robust standard, fixing WPA2 vulnerabilities, significantly enhancing password attack resistance, and offering increased privacy for open public networks. WPA3 is more secure than WPA2.

Encryption Methods:

TKIP (Temporal Key Integrity Protocol): An older, weaker, and easily exploitable method. Avoid this!

AES (Advanced Encryption Standard): Highly secure and efficient; the primary encryption for WPA2 and mandatory for WPA3. Always the best protection.

Best Combination for Security: WPA3 and AES.

Key Authentication Methods (RADIUS, TACACS+, and Kerberos): We detail the three primary methods networks use for authentication, authorization, and accounting (AAA) so you can distinguish between them based on use-case and technical specifics.

RADIUS (Remote Authentication Dial-In User Service): Centralized AAA management, widely used for user network access. Key differentiator: Typically only encrypts the password in transit.

TACACS+ (Terminal Access Controller Access Control System Plus): A Cisco proprietary protocol primarily for device administration and management (routers, switches). Key differentiator: Encrypts the entire packet payload and offers more granular control.

Kerberos: Designed for strong client-server applications using secret-key cryptography. Key differentiators: Provides mutual authentication and uses a ticket-based system (often used in Microsoft Active Directory).

Multi-Factor Authentication (MFA): A quick recap on the essential combination of "something you know," "something you have," and "something you are" to drastically improve security.

Finally, we work through practice questions to test your knowledge on choosing the best protocols and authentication methods based on scenario requirements.

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0:00 Introduction
0:15 Protocols and Encryption
3:40 Authentication Methods
12:34 Practice Questions