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A Network is a connection of two or more computer systems that enables sharing of resources, data, and communication services. Networks form the backbone of modern computing, allowing devices to exchange information and collaborate efficiently. Network Communication Process Network communication is the flow of information between connected devices following established protocols and procedures. When a device wants to communicate, it packages data into standardized formats, addresses it to the intended recipient, and transmits it through the network infrastructure. Network Communication Process Source ... Read More
The full form of VCD is Video Compact Disc and it was launched in 1993 by Philips, JVC, Sony, and Matsushita. It is specifically designed to hold MPEG-1 video data and includes interactive capabilities for multimedia content delivery. VCD uses the MPEG standard for compression and transmission of audio and video data. It is a low-cost video format that provides universally compatible video distribution. All DVD players and computers with CD-ROM drives can play VCDs, making it accessible across different platforms. The video quality of VCD is suitable for home viewing, offering better quality than VHS tapes. The ... Read More
Token ring is a physical unidirectional ring topology where systems are connected through dedicated interfaces. In this network architecture, data transmission is controlled by a special frame called a token that continuously circulates around the ring. Only the station possessing the token can transmit data, ensuring collision-free communication. After transmission, the source station is responsible for removing its data frame from the ring and regenerating the token for other stations to use. Token Ring Network Architecture ... Read More
Let us see the difference between Zoom, Google Meet, and Cisco Webex by comparing their system requirements, features, strengths, and weaknesses. These are three leading video conferencing platforms used for business meetings, remote work, and online collaboration. Video Conferencing Platforms Comparison Zoom Up to 1000 participants 40 min free limit Google Meet Up to 100 participants 60 min free limit Cisco Webex Enterprise-grade security ... Read More
Distributed Component Object Model (DCOM) is an extension of Microsoft's Component Object Model (COM) that enables software components to communicate across network boundaries. While COM handles local inter-process communication between components on the same machine, DCOM extends this capability to distributed environments where components reside on different computers. DCOM acts as a transparent middleware layer that replaces local inter-process communication with network protocols. Neither the client nor the component needs to be aware that they are communicating across a network — the connection simply becomes "a little longer" from their perspective. DCOM Architecture ... Read More
Cloud of Things (CoT) is an integration of Internet of Things (IoT) with Cloud Computing. It is a high-performance cloud-based IoT application platform that enables remote monitoring, management, and control of IoT-enabled devices across distributed networks. The CoT represents the ongoing trend for next-generation applications of IoT smart services, where massive amounts of data generated by IoT devices are processed and analyzed in the cloud to produce actionable insights for various smart applications. Architecture of Cloud of Things IoT objects generate large volumes of data that must be processed and analyzed in the cloud to produce sensitive ... Read More
The TCP header contains essential information for reliable data transmission, including source and destination ports, sequence numbers, and control flags. One important component is the options field, which provides flexibility for protocol enhancements and optimizations. Options Field in TCP Header The options field is a variable-length component in the TCP header that allows for protocol extensions and enhancements. This field can range from 0 to 320 bits (0-40 bytes), depending on the data offset field size. The options field enables TCP to negotiate features, optimize performance, and adapt to varying network conditions during connection establishment and data transfer. ... Read More
The process of gaining unauthorized access to any data or system is commonly known as hacking. In networking contexts, this often involves identifying vulnerabilities in wireless networks and their security protocols. Types of Hacking Understanding the different types of hacking helps distinguish between legitimate security testing and malicious activities: White hat (Ethical Hacking) − Authorized security professionals who perform penetration testing to identify system vulnerabilities. Companies hire them legally to find and fix security weaknesses. Black hat (Malicious Hacking) − Unauthorized individuals who exploit system vulnerabilities for personal gain, data theft, or financial ... Read More
Let us understand the concepts of Internet of Things (IOT) and Industrial Internet of Things (IIOT) before learning the differences between them. Internet of Things (IOT) It is described as the physical devices like mobiles, PCs, home appliances and many more electronic devices that are embedded with sensors, software and other technologies to transmit data and communicate among devices through the Internet. Examples: Air conditioners, sensors, smart watches, mobile phones, smart home systems, fitness trackers. Industrial Internet of Things (IIOT) It is described as using the internet of things in industrial applications and sectors. The ... Read More
Let us understand the concepts of Data Terminal Equipment (DTE) and Data Communications Equipment (DCE) before learning the differences between them. Data Terminal Equipment (DTE) At the physical layer, the function of DTE is to look for clocking from the device on the other end of the cable on a link and look for a frame-switching service. The device receives clocking from the DCE and uses it to synchronize data transmission. The customer devices or the DTE pass data from a host computer on a customer network for transmission over the Wide Area Network (WAN). DTE devices ... Read More