Computer Network Basics and Components

Molex Connector Voltage

• Red wire is typically associated with 5V
• Yellow wire is typically associated with 12V

Solid-State Storage Memory

• Flash memory is commonly used for solid-state storage and quick access to data

Power Supply Voltage

• Orange wire typically represents 3.3V in a power supply

Network Types

• A Wide Area Network (WAN) spans large geographic areas, connecting multiple Local Area Networks (LANs)

Malware Removal

• An Antivirus System is a software program designed to detect and remove malware from a computer

Operating System Installation

• A 32-bit operating system requires a minimum of 16GB of hard disk space
• A 64-bit operating system requires a minimum of 20GB of hard disk space

Network Connectivity

• A Network Interface Card (NIC) connects a computer to a network
• The "ping" command tests connectivity between a local host and a network host

LAN Connection Indicators

• A red LAN connection icon indicates a lack of driver installation
• A yellow LAN connection icon suggests no connectivity

Memory Types

• Read Only Memory (ROM) is commonly used to store the BIOS in most computer systems

Backup File Types

• An ISO image is a file that contains an exact copy of the data on a disc, used for backup or distribution

Windows Startup Modes

• Recovery Mode is used to attempt to fix problems when Windows fails to start normally

Device Management

• The Device Manager in Windows is used to manage hardware connected to the computer

Network Types

• A Local Area Network (LAN) is a collection of computers and devices connected in a single physical location

Virtual Machine Setup

• The Provider Address is essential for setting up a virtual machine

Storage Devices

• A Logical Drive is a single physical hardware device that appears as multiple logical partitions

Peer-to-Peer Networks

• A Peer-to-peer network does not require a dedicated server, allowing devices to connect directly to each other

Wireless Security

• WPA2 Personal provides encrypted protection for wireless networks

Network Components

• A Router forwards data packets between different networks

USB Cable Length

• USB 2.0 connections have a maximum cable length of 5 meters

USB Port Colors

• Blue often represents USB 3.0 ports on devices

CPU Cooling

• Thermal paste is applied to a CPU to prevent overheating

Network Card LEDs

• Most standard network cards have 2 LEDs

Campus Area Network

• A CAN (Campus Area Network) is a network limited to a specific geographic area, such as a campus

Storage Device Interfaces

• SATA and IDE are commonly used interfaces for connecting storage devices to computers

ATX12VP1 Connector

• The ATX12VP1 connector on a motherboard supplies power to peripherals, including +3.3V, +5V, and +12V

Network Indicator Colors

• A yellow indicator on a LAN connection suggests a lack of connectivity

Internet Connection Types

• The World Wide Web (WWW) is the interconnected system of networks

Troubleshooting Modes

• Safe Mode allows a computer to start in its most basic state, used for troubleshooting

Disk Image Format

• ISO images are commonly used for creating a complete image of a disc's data