What is iSCSI

We can use iSCSI to create a Storage Area Network (SAN). iSCSI is a network protocol that encapsulates storage device communication data into IP packets for transmission over an Ethernet connection. This allows IP-connected hosts to access a Storage Area Network (SAN). Traditional Storage Area Networks are based on Fiber Channel. Fiber Channel SANs are very fast … Read moreWhat is iSCSI

Introduction to Remote Access

Before you start Objectives: Learn what is Remote Access, Remote Access Server, and how it is typically used and configured. Prerequisites: no prerequisites. Key terms: remote access, server, configuration, RAS, protocols, PPPoE  What is Remote Access Remote Access allows a host to connect to a server or a private network, and access resources on the server or network … Read moreIntroduction to Remote Access

Connecting to the Internet

Before you start Objectives: Learn about different technologies that can be used to connecto to the Internet. Prerequisites: no prerequisites. Key terms: Internet, connection, technology, Dial-up, ISDN, DSL, Cable, Satellite, Wireless  Public Switched Telephone Network (PSTN) The first method to connect to the Internet is using was PSTN. With PSTN we use a modem device, which takes a … Read moreConnecting to the Internet

Overview of WAN Access Technologies

Before you start Objectives: Learn about different technologies and services which can be utilized to connect to the WAN. Prerequisites: You have to know what a WAN is, and why it is used. Key terms: WAN, PSTN, ISDN, ATM, Frame Relay, SONET, MPLS  Public Switched Telephone Network (PSTN) To connect one site (location) to another, over WAN, we … Read moreOverview of WAN Access Technologies

WAN Organization and Structure

Before you start Objectives: Learn about different parts of WAN, how we call them, who is responsible for which part of the WAN, and about different methods to send data in WAN. Prerequisites: no prerequisites. Key terms: WAN, structure, Packet Switching, Circuit Switching, organization  WAN Components Organizations often rely on (contract with) Service Providers who have the necessary … Read moreWAN Organization and Structure

Configuring Wireless Networks in General

Before you start Objectives: Learn which configuration options are required in order to set up wireless network properly. Prerequisites: you should know about wireless networks in general. Key terms: wireless, network, SSID, access, configure, wap, beacon, NIC, WPA Configuring Wireles Access Point (WAP) The first thing we need to do is to configure the WAP. Most WAPs will … Read moreConfiguring Wireless Networks in General

Overview of Infrared (IrDA) and Bluetooth Standards

Before you start Objectives: Learn what is infrared wireless connection and its specifics, and what is Bluetooth and its specifics. Prerequisites: no prerequisites. Key terms: Bluetoots, devices, Infrared, mode, light, signal, uses, distance, IrDA, network, PAN, wireless  Infrared (IrDA) Infrared technology uses light waves that are just passed the visible light spectrum. The light used comes from three … Read moreOverview of Infrared (IrDA) and Bluetooth Standards

Wireless Security

Before you start Objectives: Learn about common authentication types and security implementations used in wireless networks today. Prerequisites: no prerequisites. Key terms: key, wireless, authentication, WPA, encryption, security, network, WEP, AP, server Security First wireless networks were not very secure. Trough time, security of wireless networks has improved. To protect our wireless network we must configure authentication and … Read moreWireless Security