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Sunday, February 7, 2021

IPv4 Subnetting Videos

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 Video 1.  Intro to IPv4 Subnetting Video 2.   Converting Dotted Decimal to Binary Video 3. Subnetting Rules Video 4. Basic Subnetting Part ...
Saturday, November 28, 2020

Blue, Red, White, Purple & Yellow Teams explained

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  Organization Security Exercise Types In the context of cybersecurity, red, blue, white, purple, and yellow teams represent different roles...
Friday, November 27, 2020

DNS Record Types to know for the exam

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 DNS RECORD TYPES Make sure you know the following DNA record types for this exam and how they are used: A: host (IPv4). Maps the name to a...
Tuesday, November 24, 2020

WIRELESS AUTHENTICATION METHODS

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WIRELESS AUTHENTICATION METHODS These authenticate the device only. These devices do not use TLS, which is only used with certificates. Do n...
Saturday, August 29, 2020

Facebook Group for study help.

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  CompTIA Exam Certification Study Group I have started a Facebook group to help individuals pass the CompTIA exams: A+, Network+, Security+...
Thursday, April 23, 2020

Mission Essential Functions / Critical Systems

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CRITICAL SYSTEMS AND FUNCTIONS MTD (Maximum Tolerable Downtime)  is the longest period of a business outage without causing permanent b...
Wednesday, April 22, 2020

Media Sanitization Methods - Hard Drive / Paper

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HARD DISKS If the goal is for the media never to be reused, there are three methods (for mechanical drives, not solid-state) 1. One method...