ISO OSI Basic reference model

ISO OSI Basic reference model

ISO OSI Basic reference model: Introduction ISO OSI basic reference model was first published by the International Organization for Standardization (ISO) in 1984. The open standard was then published as ISO 7498. The revision and corrigenda followed it quite a few times, the current…
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Classless IPv4

Classless IP address version 4

Let us discuss the Classless IP address version 4. IP address version 4 is categorized as a Classful and Classless IP address. In our previous tutorial, I have explained the Classful IP address, IP address version 4 Classes, and Network ID and Broadcast ID. Need for…
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IPv4 address

IP Address version 4

An IP address is a logical address used at the Network Layer of TCP/IP protocol suite. We will discuss IP address version 4 in this article. An Internet Protocol (IP) version 4 address is a 32-bit address assigned to each device connected to a…
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Access cisco device with SSH

Secure access to Devices with SSH

SSH(Secure Shell) is a secure way to access the Network Devices. SSH provides secure access to the network device, unlike Telnet. It is encrypted to provide security whereas the Telnet sends un-encrypted data over the Network. Both SSH and Telnet uses the VTY lines…
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Access cisco device through telnet

Access Router through Telnet

Connect the router through Telnet To Access router from the telnet , you have to configure VTY lines. First, let's find out why you need to access the router through Telnet . Then we will find out how to connect the router through Telnet.…
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Netwoking Hardware device

Networking Hardware Devices

Networking hardware devices are the devices used in the network for traffic forwarding and delivering. There are various types of Networking Hardware devices used and their use depends on the type, architecture, size, services, etc. of the Network. All of those Networking Hardware devices…
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Transmission media

Transmission media

When you switch focus from a stand-alone computer to a computer network, there are two major elements, besides the Computers itself. First, one is Networking devices or Hardware, and the second is transmission media. Network devices are one that takes the packets forwarding decisions…
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