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Page 5 of 122
Difference Between Blockchain and Cryptocurrency
Blockchain and cryptocurrency are closely related concepts that are often confused with each other. However, they are distinct technologies serving different purposes. Cryptocurrency is a decentralized digital currency that operates without centralized authority, while blockchain is the underlying technology that enables secure, transparent record-keeping for various applications including cryptocurrency transactions. Blockchain vs Cryptocurrency Relationship Blockchain • Distributed ledger • Immutable records • Decentralized network • Multiple applications (Technology Infrastructure) ...
Read MoreDifference between BlueTooth and Zigbee
Both Bluetooth and ZigBee are wireless technologies that are widely used to send and receive data wirelessly using radio signals. Bluetooth is a wireless technology that is used to connect devices in short range, whereas ZigBee is wireless technology standard for personal area networks that uses low-power digital radio waves. Go through this article to find out more about the features of Bluetooth and ZigBee and how they are different from each other. What is Bluetooth? Bluetooth was created under the IEEE 802.15.1 standard, which is used for wireless communication via radio transmissions. Bluetooth was first introduced ...
Read MoreDifference between Cluster Computing and Grid Computing
A cluster computer refers to a network of same type of computers whose target is to work as one collaborative unit. Such a network is used when a resource-hungry task requires high-computing power or memory. Two or more same types of computers are clubbed together to make a cluster and perform the task. Grid computing refers to a network of same or different types of computers whose target is to provide an environment where a task can be performed by multiple computers together on need basis. Each computer can work independently as well. Cluster ...
Read MoreHow To Set Up Multiple SSL Host With A Single Apache Server
In this article, we will show you how to set up multiple SSL certificates on a CentOS server with Apache using a single IP address. Traditionally, website administrators were restricted to using one SSL certificate per IP address, which required purchasing multiple IP addresses for HTTPS websites or additional hardware with multiple network adapters. This limitation is overcome by an extension to the SSL protocol called Server Name Indication (SNI). Most modern desktop and mobile web browsers support SNI, allowing you to secure multiple websites without purchasing additional IP addresses. Multiple SSL Certificates with ...
Read MoreDifference between Storage Area Network (SAN) and Network Attached Storage (NAS)
A Storage Area Network (SAN) is a high-speed network that provides block-level storage access to multiple servers, making storage devices appear as locally attached drives. In contrast, Network Attached Storage (NAS) is a file-level storage solution that connects to existing networks and provides centralized file sharing services to multiple clients. Both technologies address different storage needs in modern IT environments. SANs excel in high-performance scenarios requiring direct storage access, while NAS solutions offer simplified file sharing and management for collaborative environments. What is Storage Area Network (SAN)? A Storage Area Network is a dedicated, high-speed network that ...
Read MoreThe 802.16 MAC Sublayer Frame Structure
The IEEE 802.16 set of standards lays down the specifications for wireless broadband technology. It has been commercialized as Worldwide Interoperability for Microwave Access (WiMAX) that is responsible for the delivery of last-mile wireless broadband access. The IEEE 802.16 MAC sublayer is the most important sublayer and concerned with channel management. It has been designed for connection-oriented channel management for point-to-multipoint (PMP) broadband services. Generic MAC Frame Structure The frame format of a generic MAC frame consists of multiple fields that control data transmission and ensure reliability: IEEE 802.16 Generic MAC Frame ...
Read MoreDifference between Circuit switching and Message switching
Circuit switching and Message switching are two fundamental telecommunication techniques used to transfer data from a source to a destination. While both aim to ensure reliable data transmission, they employ fundamentally different approaches to establish communication paths and handle data transfer. Circuit switching creates a dedicated communication channel between two network nodes before data transmission begins. Message switching, on the other hand, does not establish a direct connection between source and destination − instead, intermediate nodes handle the data transfer using a store-and-forward mechanism. What is Circuit Switching? Circuit switching is a network switching technique that establishes ...
Read MoreSpanning Tree Protocol
Spanning Tree Protocol (STP) is a communication protocol operating at the data link layer of the OSI model to prevent bridge loops and the resulting broadcast storms. It creates a loop-free topology for Ethernet networks. Working Principle A bridge loop is created when there are more than one paths between two nodes in a given network. When a message is sent, particularly when a broadcast is done, the bridges repeatedly rebroadcast the same message flooding the network. Since a data link layer frame does not have a time-to-live field in the header, the broadcast frame may loop forever, ...
Read MoreHow do I learn about Bitcoin?
Bitcoin is the first and most well-known cryptocurrency that enables peer-to-peer digital value exchange without requiring a central authority. It operates through a decentralized network using blockchain technology, cryptography, and a global consensus mechanism to maintain a public transaction ledger. Unlike traditional currencies, Bitcoin exists independently of governments or financial institutions and can be sent globally without intermediaries. Its monetary policy is mathematically predetermined, with a maximum supply of 21 million coins. How Bitcoin Works Bitcoin operates on blockchain technology — a distributed public ledger that records all transactions. When you send or receive Bitcoin, the transaction ...
Read MoreThe IEEE 802.1Q Standard
The IEEE 802.1Q networking standard defines the specifications for VLANs (Virtual Local Area Networks) on IEEE 802.3 Ethernet networks. Commonly referred to as Dot1Q, this standard enables network segmentation by creating logical groups of computers that appear to be on the same LAN, regardless of their physical network location. VLANs allow network administrators to partition networks based on functional requirements, where each VLAN comprises a subset of ports on single or multiple switches. This enables devices within a VLAN to communicate as if they were on a separate physical LAN, providing improved security, performance, and network management. Key ...
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