Desktops and Laptops

Purpose: Personal computing for users. Components: CPU, RAM, storage (HDD/SSD), graphics card, motherboard, peripherals.

Types

File Servers: Store and manage files.
Web Servers: Host websites and web applications.

Database Servers: Manage databases and handle data requests.

Application Servers: Run specific applications for clients.

Servers

Purpose: Provide services to other computers (clients) in a network.

Networking Hardware

Routers: Direct traffic between different networks.

Switches: Connect devices within a local network,

enabling efficient data transfer.

Firewalls: Protect networks by monitoring and controlling incoming and outgoing network traffic.

Storage Devices

HDD (Hard Disk Drive): Traditional, cost-effective storage with rotating disks.

SSD (Solid State Drive): Faster, more durable storage with no moving parts

Printers and Scanners

Printers: Produce hard copies of documents.

Scanners: Convert physical documents into digital formats.

Types

Peripherals

Keyboards, Mice, Monitors, etc.

Input and output devices for personal computers.

Network Server System:

Server Operating System

Windows Server, Linux (e.g., Ubuntu Server), Unix

EXAMPLES

Network Protocols

TCP/IP: Fundamental suite of protocols for internet communication.

HTTP/HTTPS, FTP, SMTP,

DNS: Application layer protocols for specific services.

Domain Name System (DNS)

Purpose: Resolves human-readable domain names to IP addresses.

Types

Active Directory (AD)

Purpose: Centralized identity and access management for networks (Windows environments).

Virtualization

Hypervisors (e.g., VMware, Hyper-V): Enable running multiple virtual machines on a single physical server

Security Measures

Firewalls, Antivirus Software: Protect servers from unauthorized access and malware.

Backup and Recovery Systems

Regular Backups: Ensure data integrity and availability. Disaster Recovery Plans: Strategies to resume operations after a catastrophic event.

Monitoring and Management Tools

Examples: Nagios, Zabbix, SNMP for monitoring; Ansible, Puppet, Chef for management.

Cloud Integration

Cloud Services (e.g., AWS, Azure): Integration for scalable and flexible resources. Understanding the hardware and server systems is crucial for designing, implementing, and maintaining a robust and efficient IT infrastructure within an organization. This includes considerations for performance, scalability, security, and reliability.