Physical network.
Computer and Network Examples
Physical network represents the computer network topology that includes the computer devices, location and cable installation. Physical network includes the actual nodes, segments and hosts.
There are two types of physical network topologies: bus and star. In the physical bus all computers must be connected individually to a point on the bus and each peripheral - to the appropriate computer. In the physical star each computer must be connected to a central hub with an individual cable and each peripheral - to the appropriate computer, and there not to be no terminators.
ConceptDraw DIAGRAM is a powerful network diagramming and vector drawing software. It provides the Computer and Networks Area with many Solutions that contain the wide set of ready-to-use predesigned vector stencils and examples to help you design the professional looking Physical networks of any complexity quick and easy.
Example 1. Physical network.
This example was created in ConceptDraw DIAGRAM using the Computer and Networks Area of ConceptDraw Solution Park and shows the Physical star network.
The network diagrams designed with ConceptDraw DIAGRAM are vector graphic documents and are available for reviewing, modifying, and converting to a variety of formats (image, HTML, PDF file, MS PowerPoint Presentation, Adobe Flash or MS Visio).
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An Enterprise private network (EPN) is a computer network built by an enterprise to interconnect the sites of the company (such as head and remote offices, shops, production sites, etc.) on purpose to share the computer resources.
This example was created in ConceptDraw DIAGRAM using the Computer and Networks solution from the Computer and Networks area of ConceptDraw Solution Park. It shows the Enterprise Private Network (EPN) using the frame-relay and dial-up.
Picture: EPN Frame-Relay and Dial-up Network. Computer and Network Examples
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Wireless network topology — logical topology.
Wireless network topology shows how the computers connect each other when there is no physical connection. The computers communicate each using the wireless devices.
Picture: Wireless Network Topology
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All computer networks differ by various params, and their size is one of them. As global area networks are the biggest, personal area (PAN) networks are the smallest. Personal computers, smartphones and other devices that have possibility to connect to Internet form a personal network.
This diagram was created using ConceptDraw Computer Network Diagrams to represent a typical components of Personal area network. A personal area network (PAN) is the connection of IT devices around an individual person. This sample of personal area network involves a notebook, a personal digital assistant (PDA), and a portable printer. Commonly a PAN contains such wireless devices as mouse, keyboard, smartphone and tablet. A wireless connection is typical for a PAN.
Picture: Personal area (PAN) networks. Computer and Network Examples
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3D Network Diagrams are very popular diagrams in the field of network technologies. They have more visual, clear, attractive and understandable look than 2D. ConceptDraw DIAGRAM gives the opportunity to draw the professional looking 3D Network Diagrams easy, quick and effective.
This example shows the 3D Network Diagram. It was created in ConceptDraw DIAGRAM using the 3D network elements from the Computer and Networks solution from the Computer and Networks area of ConceptDraw Solution Park.
Picture: 3D Network Diagrams. Computer and Network Examples
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Nodes of any computer network are somehow organized in a hierarchy or a layout. Some of the common layouts like star network topology are more reliable and some like ring topology withstand high loads better. It is also important to distinguish logical topologies from physical.
This diagram represents a typical view of the star network topology. The star network topology is one of the most frequently used network topologies in the majority of office and home networks. It is very popular because of its low cost and the easy maintenance. The plus of the star network topology is that if one computer on the local network is downed, this means that only the failed computer can not send or receive data. The other part of the network works normally. The minus of using star network topology is that all computers are connected to a single point-switch, or hub. Thus, if this equipment goes down, the whole local network comes down.
Picture: Star Network Topology
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The ConceptDraw Wireless Networks solution helps users to quickly transit from an idea to the implementation of a both wired and wireless computer networks.
Picture: Using Both Wired and Wireless Connections
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ConceptDraw Wireless Network solution includes several wireless network diagram examples that users can modify and make your own diagram.
Picture: Wireless Network Diagram Examples
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While developing software, it is very important to have a visual model, because it helps to represent the logic and the architecture of an application. Experienced engineers use UML diagrams to denote relationships between classes and their instances. UML is a general language for a set of diagrams like deployment diagrams, object diagrams or use case diagrams.
This diagram represents UML class diagram used for a software system development using an object-oriented method. Class diagrams are categorized as static structure diagrams that depict the physical structure of a system. Class diagram divides a software system's structure into "classes". Classes are defined by the methods and variables of objects. UML Class diagram is used to depict relationships and source code dependencies between objects.
Picture: UML Diagram
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Draw Cisco Network Topology and Cisco Computer Network Diagrams, Designs, Schematics, and Network Maps using ConceptDraw in no Time!
Cisco Network Diagrams solution also provides 15 libraries of 508 Cisco symbols for network components and points, LAN and WAN, schematic and wiring drawings.
Picture: Cisco Network Topology
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To connect two or more network devices are used the network cables. There are more different types of the network cables: Coaxial cable, Optical fiber cable, Twisted Pair, Ethernet crossover cable, Power lines and others. They are used depending of the network topology, size, protocol.
This example was created in ConceptDraw DIAGRAM using the Computer and Networks solution from the Computer and Networks area of ConceptDraw Solution Park.
Picture: Network wiring cable. Computer and Network Examples
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