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IEEE 802.11w

Documentation

aliases: Management Frame Protection 802.11w MFP Management Frame Protection: a security feature designed to protect management frames being transmitted over a wireless network. Management frames are responsible for device authentication, association, and ...

Remote Desktop Protocol

Documentation

aliases: RDP An application protocol for operating remote connections to a host using a graphical interface. RDP runs over 3389/tcp. RDP was first used in Microsoft-Windows for remote access and management. It has encryption and authentication features. Ne...

Internet Key Exchange

Documentation

A framework for creating a security association used with IPsec. Security associations (SAs) establish that two hosts trust one another and agree on secure protocols and cipher suites to exchange data. IKE Negotiations Phase I negotiations happen in two ways, ...

Request for Comment 1918

Documentation

A standard defined by the IETF that defines private IPv4 address ranges.

11.1.1 Networking Basics

CompTIA A+ Unit XI

Learn the basics behind computer networks. The Internet is simply the collection of all computer devices that are sharing device with one another. Networking Components Node: the devices that will be communicating (e.g. desktop/laptop/mobile phone, gaming con...

11.3.2 IPv4 Addressing

CompTIA A+ Unit XI

Learn the specifics behind IPv4 addresses. When generating a new IP address to hand off to a network node, there are also other things we need to configure. the subnet mask the default gateway DNS server address There are two ways to configure an IPv4 networ...

11.3.4 IPv6 Basics

CompTIA A+ Unit XI

Learn the core concepts behind IPv6. IPv6 was created as the solution to an ever creeping problem in the world of the Internet. As the population slowly grows and the more devices one person owns on average (phone, computer, smart watch, etc.), we need IP addr...

14.1.2 Account Management

CompTIA A+ Unit XIV

Learn the best practices for managing user accounts in an enterprise setting. Principle-of-Least-Privilege When setting up a new user account, give them the least amount of privileges and/or permissions needed for them to do their task effectively. This makes ...

11.8.1 Networking CLI Tools

CompTIA A+ Unit XI

Learn the different commands that help when troubleshooting network issues. Command Description Platform ipconfig Returns basic info regarding the network configuration./all: Returns detailed information regarding the network configuration./release: Rel...

3.2.1 External Connectors

CompTIA A+ Unit III

Learn the common ports used by computers. PS/2 Ports PS/2 ports are used to connect a keyboard and mouse, part of a family of connectors called mini-DIN connectors. Their technical name is mini-DIN 6 port, but we call them PS/2 ports. Video Ports These type of...

14.6.1 Data Destruction

CompTIA A+ Unit XIV

Learn about the ways to properly destroy data stored on storage drives. There are two ways to destroy data: formatting and physical destruction. Formatting Formatting overwrites the data in the disk with new data. When performing a high-level format operation ...

12.3.1 Portable Power

CompTIA A+ Unit XII

Learn the concepts behind portable power management for laptops. Laptops are designed to be portable and run on battery power for extended periods of time. In order to not consume power like a desktop does, laptops: use specially designed low-power components...

3.3.6 Replace a Motherboard

CompTIA A+ Unit III

What the title said. Steps: Document the current CMOS settings when you replace an existing motherboard. You might need these settings to configure the new motherboard. Install the CPU, heat sink, and memory before installing the motherboard in the case. Inse...

11.9.1 Network Troubleshooting

CompTIA A+ Unit XI

Learn to troubleshoot common network, wireless, and VoIP issues. Before troubleshooting, you should have a clear baseline. The baseline of your network should define how the network operates when nothing is wrong with it. This will help you isolate and begin w...

14.10.1 Browsers

CompTIA A+ Unit XIV

Learn how to setup browsers for maximum security. The most common browsers are: Google Chrome Apple Safari Firefox by Mozilla Microsoft Edge(r) Password Managers You should totally use a password manager. It creates secure, randomized passwords for the sites...

3.13.1 System Cooling

CompTIA A+ Unit III

Learn the different aspects of system cooling and the components that aid in thermal management in a computer system. As you already know, heat + hardware = no bueno. PC components will unalive themselves if they feel that the localized temperature (usually de...

11.4.8 Internet of Things

CompTIA A+ Unit XI

Learn what IoT devices are and how they're being implemented in modern networks. IoT device are extremely common. They can be found everywhere, and we use them to monitor and manage many aspects of life. Some of those aspects include: home monitoring and mana...

3.8.8. BIOS & UEFI Security

CompTIA A+ Unit III

Learn how to increase the security of your system using configurable BIOS settings. Passwords Most manufacturers allow you to set a user password for signing into accounts. They also allow you to set an administrator password so that unauthorized users cannot ...