NRS I

Switches Switches are one of the most important network equipments of a computer network. It is the main device of a LAN (Local Area Network). In this lesson we will 
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ARP (Address Resolution Protocol) is a Layer 2 Protocol. Layer 2 uses Physical addresses (MAC addresses) for the communication. Here, ARP Protocol is used to convert a given IP address 
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Redundacy is very important for a network. In many networks, redundacy is provided in different type of topologies or protocols. Here, we will talk about redundancy on Ethernet. In this 
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How to Configure a Nokia Service Router?   Command Line Interface (CLI) is the interface that we can configure, manage and maintenance router operations manually. Each Network Engineer works with 
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Like millions of people on the world, as a network engineer we are also using Internet. But a little different from other people, we also need to know some common 
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