Article Categories
- All Categories
-
Data Structure
-
Networking
-
RDBMS
-
Operating System
-
Java
-
MS Excel
-
iOS
-
HTML
-
CSS
-
Android
-
Python
-
C Programming
-
C++
-
C#
-
MongoDB
-
MySQL
-
Javascript
-
PHP
-
Economics & Finance
MCA Articles
Page 43 of 95
What is Generic Routing Encapsulation (GRE)?
Generic Routing Encapsulation (GRE) is a tunneling protocol developed by Cisco Systems that enables encapsulation of a wide variety of network layer protocols inside virtual point-to-point links over an Internet Protocol network. GRE uses IP protocol number 47 and is defined by RFC 2784. GRE creates secure tunnels between network endpoints, allowing different private networks to communicate over public infrastructure like the Internet. It operates as a stateless protocol, meaning it doesn't maintain connection state information. How GRE Works GRE works by encapsulating the original packet (payload) within a new IP packet. The process involves: ...
Read MoreWireless Media Access Issues in Internet of Things
The Internet of Things (IoT) is a network of interconnected physical devices embedded with sensors, software, and connectivity technologies that enable them to collect and exchange data over the internet. These "smart" devices range from simple sensors to complex industrial equipment. IoT systems rely heavily on wireless communication due to the mobility and distributed nature of connected devices. However, wireless media access presents unique challenges that significantly impact IoT network performance, energy efficiency, and reliability. Medium Access Control (MAC) in IoT The MAC protocol coordinates data transmission among multiple IoT devices sharing the same wireless medium. Unlike ...
Read MoreWhat happens when we type a URL?
A Uniform Resource Locator (URL) is a web address that specifies the location of a web resource on a computer network and defines how to access it. URLs are most commonly used to reference web pages, but they can also point to files, email addresses, databases, and other network resources. A URL consists of several components: a protocol (like HTTP or HTTPS), a domain name, an optional port number, a path to the specific resource, and sometimes additional parameters or fragments. When you type a URL into your browser's address bar or click a hyperlink, a complex series of ...
Read MoreDifference between USB Tethering and Mobile Hotspot
USB Tethering and Mobile Hotspot are two methods for sharing a mobile device's internet connection with other devices. While both provide internet access, they differ significantly in their connection methods, performance characteristics, and use cases. USB tethering creates a direct connection between a mobile device and another device (typically a laptop) using a USB cable. In contrast, a mobile hotspot creates a wireless network that allows multiple devices to connect via Wi-Fi. USB Tethering and Mobile Hotspot: Key Differences No, USB tethering and mobile hotspot are not the same, though they serve similar purposes of sharing internet ...
Read MoreDifference between OneDrive and SecureSafe
OneDrive and SecureSafe are two distinct cloud storage services that cater to different user needs and security requirements. While OneDrive focuses on mainstream productivity and integration with Microsoft's ecosystem, SecureSafe emphasizes enhanced security features for users who prioritize data protection. OneDrive Microsoft OneDrive is a file hosting and synchronization service provided by Microsoft. It allows users to store files, personal information, and share content across multiple devices. OneDrive offers 5GB of free storage space to all users. Launched by Microsoft in 2007, OneDrive is widely used by professionals and individuals for storing work-related documents and personal files. ...
Read MoreDifference between Kerberos and SSL
Kerberos and SSL (Secure Sockets Layer) are two fundamental security protocols used in network communications, each serving different purposes and operating through distinct mechanisms. Understanding their differences is crucial for implementing appropriate security measures in various network environments. What is Kerberos? Kerberos is a network authentication protocol that uses symmetric-key cryptography to verify user identities in a secure manner. It operates on the principle of trusted third-party authentication, where all network nodes communicate over potentially insecure networks while maintaining security through a centralized authority. The protocol relies on a Key Distribution Center (KDC), which provides two main ...
Read MoreUnderstanding Network-Attached Storage
A Network-Attached Storage (NAS) device is a dedicated storage server that connects to a network and allows multiple users and devices to store and retrieve data from a centralized location. NAS systems provide file-level data access and are designed to serve files over a network to authorized clients. Unlike traditional storage methods where drives are directly connected to individual computers, NAS operates as a standalone network node with its own IP address. This makes data continuously accessible to all connected devices, enabling seamless collaboration and remote access capabilities for businesses and home users alike. How NAS Works ...
Read MoreDifference between LTE and VoLTE
We are evolving day by day in the way we use mobile technology. In this article, you will learn what terms like LTE and VoLTE mean, how these two technologies differ from each other, and which is the better one. What is LTE? LTE stands for Long Term Evolution and is commonly known as 4G. It provides high-speed internet connectivity on your mobile phone with faster data transfer rates compared to 3G networks. However, LTE has a significant limitation: when you receive a voice call while using data services, the internet connection stops or significantly slows down. ...
Read MoreWhat is the difference between ZIP and RAR
File compression formats are essential tools for reducing file sizes and organizing multiple files into single archives. Two of the most popular compression formats are ZIP and RAR, each with distinct characteristics and capabilities. ZIP File Format ZIP is an open-standard file format for archiving and lossless data compression, created in 1989 by Phil Katz. It has become one of the most widely supported compression formats, with built-in support in operating systems like Microsoft Windows and macOS. ZIP files serve as data containers that use various compression algorithms including DEFLATE, BZIP2, LZMA, and others to compress one ...
Read MoreWhat is Fog Computing?
Fog Computing is a distributed computing architecture that extends cloud computing capabilities to the network edge. Originally coined by Cisco, it brings computation, storage, and networking services closer to end devices and data sources, reducing the distance data must travel for processing. Unlike traditional cloud computing where all data is sent to centralized data centers, fog computing performs significant processing at edge devices before routing information over the Internet backbone. This approach creates a bridge between local devices and remote cloud servers, forming a computing continuum from edge to cloud. Fog Computing Architecture ...
Read More