Presentation Layer in OSI Model

Presentation Layer

What Does Presentation Layer Mean? The presentation layer, known as layer 6 in the 7-layer OSI model, prepares data so the application layer (layer 7) can easily use it. It’s also known as the syntax layer because it formats data in a consistent and standardized way. This layer ensures that data looks the same way

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Physical Layer in OSI Model

Physical Layer

What is Meant by Physical Layer? The physical layer is the first and most basic level of the OSI Model which is a framework used to understand network interactions. It focuses on the transmission of raw data bits over a physical medium like cables or wireless systems. This layer includes all the hardware parts necessary

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Internet Fax

Internet Fax

What is Internet Fax? Internet fax refers to a technology that sends faxes using the global IP network rather than traditional public switched telephone networks or fiber-optic landlines. How Does Internet Fax Work? This technology allows offices to use various tools to receive faxes either in digital format or as printed documents. Essentially, it modernizes

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Internet Protocol Version 6 (IPv6)

Internet Protocol Version 6

What is IPv6? Internet Protocol Version 6 is commonly known as IPv6. It represents the evolution of Internet Protocol technology, offering an advanced way to transport data in packets from one source to another across diverse networks. It acts as the successor to IPv4 and is designed to accommodate an exponentially larger number of network

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Internet Protocol Version 4 (IPv4)

Internet Protocol Version 4

What is IPv4? Internet Protocol Version 4, commonly known as IPv4 is the fourth revision of the Internet Protocol and an important component of data communication across various networks. Networks use IPv4, a connectionless protocol, extensively in environments like Ethernet that rely on packet-switching technologies. How Does IPv4 Work? IPv4 operates by assigning a unique

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Data Link Layer in the OSI Model

Data Link Layer

What is Data Link Layer? The data link layer is a crucial part of how computers send and receive data. It handles turning data into a format that can be sent over a network and ensures it arrives correctly. The layer comes in between physical layer and network layer, and breaks down into two main

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What is Layer?

What is Layer?

Definition A layer in object-oriented design refers to a group of classes that depend on the same modules as other modules. This means that as long as the circumstances don’t change, the components of a layer can be reused. Essentially, the way these classes depend on each other helps to define the boundaries or distinctions

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Internet Protocol Address Written Example

Internet Protocol Address

What is Internet Protocol Address? An Internet Protocol address (IP address) serves as a unique numeric identifier assigned to each device like computers, printers, switches and routers on a TCP/IP network. The IP address forms the backbone of any networking architecture. Without it, a network cannot exist. It functions like a street address in a

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OSI Model showing Network Layer

Network Layer

What Does Network Layer Mean? The network layer is a crucial part of how computers send data over the internet. It’s the third layer in the OSI Model, which is a framework used to understand how networks operate. Think of the network layer as a system that manages how data is sent from one device

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Digital Signage screens showing different videos

How Can Digital Signage Boost Customer Loyalty and Engagement?

Loyalty in retail is closely linked to customer experience, and customer experience is closely tied to your ability to engage customers. When customers have a fantastic experience whenever or wherever they come in contact with your business, it fosters a positive relationship. Conversely, even one negative encounter can end a customer’s loyalty. For instance, PwC

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OSI Model showing Application Layer

Application Layer

Meaning The application layer is the topmost layer in the seven-layer OSI model, which is a way to understand how networks operate. It deals with the software applications that need to connect and communicate over the network. This layer makes it possible for different programs to link up and share information across the internet, focusing

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Internet with One Extranet Connection

What Does Extranet Mean?

An extranet is like a private online club. It’s a special network that lets certain people, like customers, partners or suppliers to access information from a company or school. But here’s the catch: they can only see specific things not everything. It’s like having a secret section on a website that’s only for VIPs. To

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Session Layer in OSI Model

What is Session Layer?

What Does Session Layer Mean? The session layer is the fifth layer in the OSI model which is a framework that helps different computer systems to communicate. This layer manages the connections or “sessions” between computers. It’s responsible for starting, overseeing and closing these sessions between applications on different computers. Understanding the Session Layer The

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World of internet showing privacy concerns

Internet Privacy

What Does Internet Privacy Mean? Internet privacy refers to how your personal information is protected while you’re online. It involves a bunch of stuff like rules websites have to follow about your privacy controls you have over sharing your data and efforts to make data use more transparent. When you’re surfing the web you want

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Fax Server connecting fax machine and computer

Fax Server

Definition A fax server is a system designed to manage the sending, receiving and distribution of faxes across a computer network. This setup can greatly streamline the process of handling fax communications in an organization. Functionality Fax servers allow computers within a network to act as fax machines through specialized software applications compatible with various

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TCP making a connection between computers

Transmission Control Protocol

Definition Transmission Control Protocol abbreviated as TCP, functions as a communication protocol within network systems. It primarily focuses on sending data packets across the Internet. Operating at the transport layer of the OSI model, TCP facilitates the connection between distant computers. It ensures the reliable transmission and receipt of messages across various supporting networks, including

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Closed network of computers to a building showing the concept of intranet


Meaning An intranet is like a private internet just for a company or organization. It uses the same kind of technology as the internet (Internet Protocol or IP) but is only accessible to people within that organization. Unlike the internet which everyone can use, an intranet is a closed network where only members of the

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Photo of technology world showing data protection through cloud and lock

Data Privacy

Data privacy also known as information privacy, involves the careful handling of sensitive information including personal details, financial data and intellectual property. It’s about ensuring that this data meets legal standards and remains confidential and unchanged. There are three main types of data protection: Traditional data protection like making backup copies for recovery. Data security

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What is Internet?

What is Internet? All You Need To Know

The Internet is a vast network that connects computers and electronic devices globally, allowing them to communicate and share data. This network includes a variety of connections through private, public, academic, business and government systems. Unlike many other systems, the Internet operates without a central governing body. This decentralized nature ensures that no single entity

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What is Transport Layer?

What is Transport Layer?

The transport layer is commonly referred to as Layer 4 within the Open Systems Interconnection (OSI) network model. This model simplifies the process of transferring data between networked computers by dividing the responsibilities into seven distinct layers. Functions of the Transport Layer At the transport layer, several critical functions are performed to ensure data moves

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Virtual IP Address

What is Virtual IP Address?

Definition A virtual IP address, or VIPA, refers to an IP address that multiple domain names or servers use simultaneously. This setup occurs on a single network interface card (NIC). How are VIPAs Assigned? Network administrators assign a single network IP address to the host server. On this server, various applications such as virtual private

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Internet Protocol (IP)

Internet Protocol (IP)

What is Internet Protocol? Internet Protocol commonly known as IP is a crucial communication protocol for sending messages between computers on the same network or across interconnected networks. It forms part of the Internet Protocol Suite, also known as TCP/IP, which consists of various digital message formats and rules. Data Exchange Using IP Computers exchange

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Facsimile Machine

What is Facsimile Machine?

What Does Facsimile Machine Mean? Facsimile machines (Fax machines) also called telefax or telecopy machines transmit text and images electronically using public switched telephone networks (PSTN) and the Internet. Digital facsimile machines compress data using modified Huffman and modified read data compression formats and scan at resolutions ranging from 100 to 400 lines per inch

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