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
Computer Network Articles
Page 99 of 122
Cisco Discovery Protocol(CDP) and Link Layer Dicovery Protocol(LLDP) in Data Link
The Cisco Discovery Protocol (CDP) and Link Layer Discovery Protocol (LLDP) are Layer 2 discovery protocols that enable network devices to share information about themselves with directly connected neighbors. These protocols are essential for network management, troubleshooting, and topology discovery. CDP is a proprietary Cisco protocol, while LLDP is an open IEEE 802.1AB standard that works across multiple vendors. Both protocols operate at the data link layer and help administrators understand network topology without requiring higher-layer protocols. How Discovery Protocols Work Discovery protocols send periodic advertisements containing device information to directly connected neighbors. These messages are transmitted ...
Read MoreDifference between Amazon S3 and Box
Both Amazon S3 and Box are popular cloud storage solutions that serve different purposes in the enterprise ecosystem. Amazon S3 is primarily an object storage service designed for developers and applications, while Box focuses on file sharing and collaboration for business users. Understanding their differences helps organizations choose the right solution for their specific needs. Amazon S3 vs Box Architecture Amazon S3 Bucket 1 Bucket 2 ...
Read MoreAdvantages and Disadvantages of Telecommunication
Telecommunication has become a fundamental part of modern society, enabling people to communicate and share information over long distances with ease. It has revolutionized the way we communicate, making it faster, more accessible, and more efficient. However, like every technology, telecommunication has both advantages and disadvantages. This article examines the benefits and drawbacks of telecommunication, helping readers better understand its impact on our lives. What is Telecommunication? Telecommunication refers to the transmission of information over long distances using electronic devices such as telephones, computers, satellites, and radios. It encompasses various technologies and systems that facilitate communication between individuals ...
Read MoreComputer Security and its Challenges
Computer Security refers to the protection of computer systems, networks, and digital information from unauthorized access, theft, damage, or disruption. In today's interconnected world, where businesses and individuals rely heavily on digital systems, ensuring robust computer security has become critical. Consider a common scenario: a user downloads a seemingly harmless application from an untrusted source. Unknown to them, this application contains malware that can steal personal data, corrupt files, or provide unauthorized access to cybercriminals. Such incidents highlight why comprehensive security measures are essential for protecting our digital assets. What Is Computer Security? Computer security encompasses the ...
Read MoreAdvantages and Disadvantages of Hub
A hub is a basic networking device used to connect multiple devices in a network. It operates at the physical layer of the OSI model and functions as a multiport repeater, receiving data from one device and broadcasting it to all connected ports. Hubs use fiber optic or twisted pair cables and work in half-duplex mode, meaning data can only flow in one direction at a time. Hub Network Topology HUB PC1 PC2 PC3 ...
Read MoreAdvantages and Disadvantages of Mesh Topology
Mesh topology is a network topology where every node is directly connected to every other node in the network. This creates a web-like structure that provides exceptional redundancy and fault tolerance, making it suitable for mission-critical applications that require continuous network availability. Mesh Topology Structure A B C D Every node connects to every other ...
Read MoreGoals of Networks
In today's digital era, networks serve as the backbone of modern communication, connecting people, organizations, and devices across the globe. A network enables the transfer of data, voice, and multimedia signals between entities while maintaining essential security standards. Regardless of their topology—whether mesh, star, or ring—all networks share fundamental objectives that define their purpose and effectiveness. The goals of networks represent the core requirements that ensure networks deliver reliable, secure, and efficient communication services. These objectives focus on maintaining data authenticity, integrity, accessibility, and protection throughout the transmission process. Primary Goals of Networks ...
Read MoreElements of Network Protocol
Computers perform operations based on commands received. The set of commands or rules is sent and processed by the network protocol. In networks, different types of computers are connected which may possess different hardware and software components. Therefore, it is necessary to enable computers of different types to communicate with each other using common rules established by network protocols. Network Protocol A network protocol provides a set of rules to be followed for data transmission in a secure and reliable way. Examples of network protocols include SMTP (Simple Mail Transfer Protocol) for email communication and FTP (File Transfer ...
Read MoreRansomware Explained: How It Works And How To Prevent It
Ransomware is a type of malicious software (malware) that encrypts a victim's files and demands payment, typically in cryptocurrency, for the decryption key. This cyber threat has become one of the most dangerous and costly forms of cybercrime, affecting individuals, businesses, and government organizations worldwide. According to cybersecurity research, ransomware attacks have increased dramatically, with 91% of attacks originating from phishing emails. The global impact is staggering, with thousands of ransomware incidents reported annually, causing billions of dollars in damages and business disruption. How Ransomware Works Ransomware follows a predictable attack pattern that unfolds in several stages: ...
Read MoreDifference between Antivirus and Antimalware
When it comes to computer security, two terms that are frequently used and often confused are antivirus and antimalware. While both are designed to protect computers from malicious software, they have distinct differences in scope, detection methods, and functionality. Antivirus Software Antivirus software is specifically designed to detect, prevent, and remove viruses — a particular type of malware that can replicate itself and spread to other computers. Antivirus programs use a database of known virus signatures to identify and eliminate threats from a computer system. These signatures are digital fingerprints of known viruses that have been analyzed ...
Read More