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MODUL 1: Network Basics

• Basic knowledge.
• To explain the layered model.
• Describe the OSI reference model.
• Describe the network specificity of the layers.
• Explain the Cisco Three-Layer Model.
• Connect Cisco devices.

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Cisco © produces network devices such as Hub, Router, Switch.
The first computer networks were realized among the companies’ own products. for example
IBM operating systems using IBM network devices
they could.
The OSI model allowed manufacturers to produce interoperable network devices. She
model on a computer, other over network media (media)
the transfer to the application on the computer.

Ubiquiti NetworksUBNT is a US brand that manufactures wireless network devices. UBNT, also called Ubiquiti Networks, was founded in 2011 in Silicon Valley. The founder of the UBNT brand is Robert J. Pera. Pera is an electrical engineer who grew up in Silicon Valley and specialized in digital communications and circuit design. Apple Inc. Pera started her first business with her firm and has worked under the FCC to facilitate access to and increase the communication network of devices, in areas without telephone and Wi-Fi access. The experience with Steve Jobs has opened a new horizon to Pera and decided to develop low-cost, high-performance WiFi modules. Foundations of UBNT were laid in 2005 with this idea. The aim was to deliver Wi-Fi technology to rural areas through wireless access infrastructure.

RouterOS supports many applications used by Internet service providers, for example, OSPF, BGP, Multiprotocol Label Switching (VPLS/MPLS), OpenFlow. The product is supported by Mikrotik through a forum and a wiki, providing assorted and thematic examples of configurations. RouterOS supports Internet Protocol Version 4 (IPv4) as well as Internet Protocol Version 6 (IPv6).

The software provides support for virtually all network interfaces that the Linux kernel 3.3.5 supports, except wireless, where the Atheros chipsets are the only supported hardware, as of RouterOS version 6.3

What is RouterOS?

MikroTik RouterOS is the operating system of MikroTik RouterBOARD hardware. It can also be installed on a PC and will turn it into a router with all the necessary features – routing, firewall, bandwidth management, wireless access point, backhaul link, hotspot gateway, VPN server and more.

RouterOS is a stand-alone operating system based on the Linux v2.6 kernel, and our goal here at MikroTik is to provide all these features with a quick and simple installation and an easy to use interface.

MikroTik is a Latvian company which was founded in 1996 to develop routers and wireless ISP systems. MikroTik now provides hardware and software for Internet connectivity in most of the countries around the world. Our experience in using industry standard PC hardware and complete routing systems allowed us in 1997 to create the RouterOS software system that provides extensive stability, controls, and flexibility for all kinds of data interfaces and routing. In 2002 we decided to make our own hardware, and the RouterBOARD brand was born. We have resellers in most parts of the world, and customers in probably every country on the planet. Our company is located in Riga, the capital city of Latvia and has more than 140 employees.