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A network switch is a multiport network bridge that uses MAC addresses to forward data at the data link layer (layer 2) of the OSI model. Some switches can also forward data at the network layer (layer 3) by additionally incorporating routing functionality. Such switches are commonly known as layer-3 switches or multilayer switches. [2]
A modular switch or chassis switch is a type of network switch which can be configured using field-replaceable units. These units, often referred to as blades, can add more ports, bandwidth, and capabilities to a switch. [1] These blades can be heterogenous, and this allows for a network based on multiple different protocols and cable types.
This is an accepted version of this page This is the latest accepted revision, reviewed on 31 January 2025. This article's tone or style may not reflect the encyclopedic tone used on Wikipedia. See Wikipedia's guide to writing better articles for suggestions. (July 2015) (Learn how and when to remove this message) National industry Pakistan's e-trading mainly involves buying and selling goods ...
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Switching uses different kinds of network switches. A standard switch is known as a layer-2 switch and is commonly found in nearly any LAN. Layer-3 or layer-4 switches require advanced technology (see managed switch) and are more expensive and thus are usually only found in larger LANs or in special network environments.
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A backbone or core network is a part of a computer network which interconnects networks, providing a path for the exchange of information between different LANs or subnetworks. [1] A backbone can tie together diverse networks in the same building, in different buildings in a campus environment, or over wide areas.
In 2017 National Bank of Pakistan launched 'Pre-paid' cards with the cooperation of TPS Pakistan company. [3] As of 2015 TPS Pakistan claimed that approximately 40 microfinance banks were using their inter-bank shared switch, 1LINK, an interbank network in Pakistan. Before adopting TPS's software, banks in Pakistan could only connect to their ...