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
Internet Articles
Page 58 of 88
What is Network Mapping or Nmap?
One of the most common challenges with modern network systems is their inherent complexity. Even a simple home network can be difficult to understand, while enterprise networks with hundreds or thousands of connected devices present exponentially greater complexity. Network Mapper (Nmap) is a powerful, free network discovery and security auditing tool that helps administrators understand their network infrastructure. It scans networks to identify active hosts, open ports, running services, operating systems, and other network characteristics, creating a comprehensive map of network topology and security posture. While Nmap can be misused by malicious actors to identify vulnerabilities, it serves ...
Read MoreDifference between WAP and Router
Routers and Wireless Access Points (WAPs) are two fundamental networking devices that enable internet connectivity, but they serve different purposes. A WAP provides wireless network access to devices, while a Router routes data packets between networks and connects multiple devices to the internet through LAN and WAN ports. Routers determine the best path for data transmission and provide network security features. Modern routers offer Wi-Fi connectivity to multiple devices along with additional functions like firewall protection and VPN support. WAPs focus specifically on extending wireless coverage, while routers serve as gateways with comprehensive network management and security capabilities. ...
Read MoreDifference Between VLAN and Subnet
VLAN (Virtual Local Area Network) and subnet are two fundamental networking concepts that serve different purposes in network design. A VLAN is a logical grouping of devices on the same physical network that appear as separate networks, while a subnet is a logical division of an IP network based on IP address ranges. Understanding the distinction between VLANs and subnets is crucial for effective network design, as they operate at different OSI layers and solve different networking challenges. VLAN vs Subnet Conceptual View VLAN (Layer 2) ...
Read MoreOn Line Transaction Processing (OLTP) System in DBMS
OLTP (On-Line Transaction Processing) systems manage real-time transaction tasks − entering, storing, and retrieving data for daily operations like purchasing, payroll, and accounting. Examples include supermarket POS systems, order entry, retail sales, and financial transaction systems. Users POS, Web, App OLTP System INSERT, UPDATE DELETE, SELECT ...
Read MoreDifference between Google Fi and Ting
Both Google Fi and Ting are Mobile Virtual Network Operators (MVNOs) that provide telephone calls, SMS, and mobile broadband services using existing cellular networks and WiFi. They differ primarily in pricing models − Google Fi offers fixed monthly plans, while Ting follows a pay-as-you-go approach. Google Fi Google Fi is a wireless service provider operated by Google. It offers access to multiple cellular networks and seamlessly switches between them for the best signal. In the US, Google Fi operates on T-Mobile, Sprint, and US Cellular networks. Plans start at $20 per month and include unlimited calls, messages, WiFi ...
Read MoreDifference between Optical fibre and Coaxial cable
Optical fibre and coaxial cable are both types of guided media used to transmit data over a network. Optical fibre is made of plastic and glass and transmits signals as light pulses, whereas coaxial cable is made of plastic and copper wires and transmits signals as electrical signals. Optical Fibre Optical fibre uses thin strands of glass or plastic to carry data as pulses of light. It offers extremely high speeds, very low signal loss over long distances, and is immune to electromagnetic interference. However, it is more expensive and complex to install. Coaxial Cable Coaxial ...
Read MoreDifference between Paging and Segmentation
Paging and Segmentation are two memory management techniques used by operating systems to efficiently allocate memory to processes. Paging divides memory into fixed-size blocks, while segmentation divides it into variable-size logical units. Paging Paging is a memory management technique in which a process address space is broken into fixed-size blocks called pages (typically a power of 2, between 512 bytes and 8192 bytes). Main memory is similarly divided into fixed-size blocks called frames, with frame size equal to page size. This ensures optimum utilization of main memory and avoids external fragmentation. Segmentation Segmentation is a memory ...
Read MoreDifference between Organic Search and Paid Search
When you search for something on a search engine like Google, the results page contains two types of listings − organic search results and paid search results. Understanding the difference between these two is essential for anyone working in digital marketing or SEO. Organic Search Organic search results are the unpaid listings that appear on a search engine results page (SERP) based on their relevance to the keyword searched. Search engines rank these pages based on the quality of content, backlinks, site structure, and other SEO factors. Achieving a high organic ranking takes time and consistent effort, but ...
Read MoreWhat is SNORT?
In the area of cybersecurity, the requirement for robust and effective intrusion detection and prevention systems is critical. SNORT, a network intrusion detection and prevention system that is free and open-source, is one of the most well-known and commonly used systems in this area. Snort, which also notifies system administrators of potential security concerns. Martin Roesch created it for the first time in 1998, and since then it has grown to be one of the most popular network security tools worldwide. What is SNORT? The initial version of SNORT, an open-source network intrusion detection and prevention system, was made available ...
Read MoreIoT edge computing and data sustainability
By now, you must have gotten a clear picture of IoT and how it is aiding us by making our lives easier. IoT connects sensor devices and the internet for those new to this technology. These devices have sensors that collect the data and send it to the cloud over the internet. Now in the cloud, all the data processing happens. In simpler terms, sensors collect data and send it to the data centre, where it will be analyzed, and commands sent back to sensors. The entire process takes time, and processes are delayed. But then, how do we come ...
Read More