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Moumita has Published 149 Articles

Moumita
26K+ Views
Carrier Sense Multiple Access (CSMA) is a network protocol for carriertransmission that operates in the Medium Access Control (MAC) layer. It senses or listens whether the shared channel for transmission is busy or not, and transmits if the channel is not busy. Using CMSA protocols, more than one users or ... Read More

Moumita
4K+ Views
Radio Frequency Identification (RFID) is the application of radio waves to read and capture information stored on tags affixed to objects. RFID readers are installed at tracking points and can read information from tags when they come into range, which can be of several feet radius. A tag need not ... Read More

Moumita
6K+ Views
The Bluetooth network technology connects mobile devices wirelessly using short-wavelength, ultra-high frequency (UHF) radio waves over a short range to form a personal area network (PAN). Data is transferred between the Bluetooth devices as data frames. Two basic frame formats are defined, for transmitting data at basic data rate and ... Read More

Moumita
1K+ Views
Bluetooth link layers define two types of data links, Asynchronous Connection-Less (ACL) Link, being one of them. It is the type of link used for transmission of general data packets using Bluetooth connection. ACL is a point – to – multipoint link used for irregular traffic between a master device ... Read More

Moumita
2K+ Views
Bluetooth link layers define two types of data links, Synchronous Connection Oriented (SCO) link, being one of them. SCO is a symmetric, point-to-point link between the master device and the slave device connected via Bluetooth.Features of Bluetooth SCO linksIn SCO, a dedicated, point-to-point link is established between the master device ... Read More

Moumita
6K+ Views
Two types of data links are defined by Bluetooth link layers−Synchronous Connection Oriented (SCO) LinkAsynchronous Connection-Less (ACL) LinkSCO is a symmetric, point-to-point link between the master device and the slave device connected via Bluetooth.ACL is a point – to – multipoint link for transmitting general data packets using Bluetooth connection. ... Read More

Moumita
3K+ Views
The IEEE 802.1Q networking standard lays down the specifications for VLANs (Virtual Local Area Networks or Virtual LANs) on an IEEE 802.3 Ethernet network. The standard is generally referred as Dot1Q. VLANs are a logical group of computers that appear to be on the same LAN irrespective of the configuration ... Read More

Moumita
20K+ Views
Hubs are networking devices operating at a physical layer of the OSI model that are used to connect multiple devices in a network. They are generally used to connect computers in a LAN.A hub has many ports in it. A computer which intends to be connected to the network is ... Read More

Moumita
6K+ Views
Spanning Tree Protocol (STP) is a communication protocol operating at data link layer the OSI model to prevent bridge loops and the resulting broadcast storms. It creates a loop − free topology for Ethernet networks.Working PrincipleA bridge loop is created when there are more than one paths between two nodes ... Read More

Moumita
1K+ Views
In data communications, wormhole switching a flow control technique where large data frames or packets are partitioned and then transmitted. When a switching device (a bridge or a switch) receives a data packet, it partitions the packet into small parts called flow control units or flits. The flits are transmitted ... Read More