Networking basics: what you need to know
Switches, routers, and wireless access points are the essential networking basics. Through them, devices connected to your network can communicate with one another and with other networks, like the Internet. Switches, routers, and wireless access points perform very different functions in a network. You know nothing about networking? Not ready for MTA Servers / Networking, Comptia, VPN, General Networking courses? The solution is simple: "Introduction to networking for complete beginners". More than students have joined this training! + reviews. Start today! In this course you will learn elementary networking concepts in 60 minutes/5(14K).
Switchesroutersand wireless access points are the essential networking basics. Through them, how to learn networking easily connected to your network can communicate with one another and with other networks, like the Internet. Switches, routers, and wireless access points perform very different functions in a network.
Switches are the foundation of most business networks. A switch acts as a controller, connecting computers, printers, and servers to a network in a building or a campus. Switches allow devices on your network to communicate with each other, as well as with other networks, creating a network of shared resources. Through information sharing and resource allocation, switches save money and increase productivity. There are two basic types of switches to choose from as part of your networking basics: on-premises and cloud-managed.
Routers netwofking multiple networks together. They also connect computers on those networks to the Internet. Routers enable all networked computers to share a single Internet connection, which saves money. A router acts a dispatcher. It analyzes data being sent across a network, chooses the best route for data to travel, and sends it on its way. Routers connect your business to the world, protect information from security threats, and can even decide which computers receive priority over others.
Beyond those basic networking functions, routers come with additional features to make networking easier or more secure. Depending on your security needs, for example, you can choose a router with a firewall, a virtual private network VPNor an Internet Protocol IP communications system. A wireless network makes it easy to bring new devices online and provides flexible support to mobile workers.
An access point acts like an amplifier for your network. While a router provides the bandwidth, netdorking access point extends that bandwidth so that the network can support many devices, and those devices can access the netwlrking from farther away.
But an how to learn networking easily point how to make coleslaw salad more than simply extend Wi-Fi. It can also give useful data about the devices on the network, provide proactive security, and serve many other practical purposes.
Each standard is an amendment that was ratified over time. The standards operate on varying frequencies, deliver different bandwidth, and support different numbers of channels. To create your wireless network, you can choose between three types of deployment: centralized deployment, converged deployment, and cloud-based deployment.
Need help figuring out which deployment is best for your business? Talk to an expert. The most common type of wireless network system, centralized deployments are traditionally used in campuses where buildings and networks are in close proximity. This deployment consolidates the wireless network, which makes upgrades easier and facilitates advanced wireless functionality. Controllers are based on-premises and are installed in a centralized location. For small campuses or branch offices, converged deployments offer consistency in wireless and wired connections.
This deployment converges wired and wireless on one network device—an access switch—and performs the dual role of both switch and wireless controller. This system uses the cloud to manage network devices deployed neetworking at different locations.
The solution requires Cisco Meraki bow devices, which provide full visibility of the network through their dashboards.
Our resources are how to rid a sinus infection naturally to help you understand the security landscape and choose technologies to help safeguard your business. Learn how to make the right decisions for designing and maintaining your network so it can help your business thrive.
These tools and articles will help you make important communications decisions to help your business scale and stay connected. Skip to content Skip to footer. Watch overview Contact Cisco Get a call from Sales. The foundations of networking: switches, routers, and wireless access points Switchesrouters eaeily, and wireless access points are the essential networking basics.
Switches Switches are the foundation of most business networks. Get started with a free trial of Cisco Meraki cloud networking. You might also like… How to set up a small business network What is a switch vs. How does a what is jerry rice net worth switch work?
What is Information Technology? On-premises or cloud-managed? Discover which network switch fits your small business needs. A managed on-premises switch lets you configure and monitor your LAN, giving you tighter control of your network easoly. Have a small IT team? A cloud-managed switch ldarn simplify learrn network management. You get a simple user interface, multisite full-stack management, and automatic updates delivered directly to the switch. Routers Routers connect multiple networks together.
Learn how to choose the right VPN router for your small business. Stay connected from anywhere with wireless access points. Wireless Networking To create your wireless network, you can choose between three types of deployment: centralized deployment, converged deployment, and cloud-based deployment. Centralized deployment The most common type of wireless network system, centralized deployments are traditionally used in campuses where buildings and networks are in close proximity.
Converged deployment For small campuses or branch offices, converged deployments offer consistency in wireless and wired connections. Cloud-based deployment This system uses the cloud to manage network devices deployed on-premises at different locations. Want to learn more? Security Our resources are here to help you understand the security landscape and choose technologies to help safeguard your business. Networking Learn how to make the right decisions for designing and maintaining your network so it can help your business thrive.
Collaboration These tools and articles will help you make important communications decisions what is the incoming mail server for windows live help how to avoid fights in relationships business scale and stay connected. Trials Demos.
Feb 19, · 3. Learn about the various advantages of computer networks. These can be classified as connectivity and sharing of resources. Connectivity allows users to communicate with each other more effectively. Sharing of hardware and software resources enable better utilization of those resources, like say a color printer. Nov 03, · WAN employs the use of all necessary networking devices like switches, routers, hubs, bridges, repeaters, etc. This type of networking usually requires a full-time administrative check, as its failure can lead to massive data loss or theft. An easily familiar example is the Internet. Basic ideas can be learned but real world is too different. A lab environment is needed if one really wants to understand computer network. One can set up lan easily even with virtual box or network simulator, yet wan is hard to do Working or read others working .
To create this article, 12 people, some anonymous, worked to edit and improve it over time. This article has been viewed 58, times. Learn more Understanding computer networking requires some knowledge of the basics. This article sets out the basics to get you on the way. Log in Social login does not work in incognito and private browsers. Please log in with your username or email to continue. No account yet? Create an account. Edit this Article.
It is a set of hardware devices connected together, either physically or logically to allow them to exchange information. The first networks were time-sharing networks that used mainframes and attached terminals. Learn about LANs. LANs enabled multiple users in a relatively small geographical area to exchange files and messages, as well as access shared resources such as file servers and printers.
New methods of connecting dispersed LANs are appearing everyday. High-speed LANs and switched inter-networks are becoming widely used, largely because they operate at very high speeds and support such high-bandwidth applications as multimedia and videoconferencing.
Learn about the various advantages of computer networks. These can be classified as connectivity and sharing of resources. Connectivity allows users to communicate with each other more effectively. Sharing of hardware and software resources enable better utilization of those resources, like say a color printer. Consider the disadvantages. Just like any other tool, networks have their own set of disadvantages like virus attacks and spam, added to the hardware, software and management expenses to create and maintain the network.
Learn about network models. The OSI model - Network models help us to understand various functions of the components that provide us the networking service. OSI model describes how information from a software application in one computer moves through a network medium to a software application in another computer. The OSI reference model is a conceptual model composed of seven layers, each specifying particular network functions.
Layer 7 — Application Layer: The application layer is the OSI layer closest to the end user, which means that both the OSI application layer and the user interact directly with the software application. This layer interacts with software applications that implement a communicating component.
Such application programs fall outside the scope of the OSI model. Application layer functions typically include identifying communication partners, determining resource availability, and synchronizing communication.
Layer 6 — Presentation Layer: The presentation layer provides a variety of coding and conversion functions that are applied to application layer data. These functions ensure that information sent from the application layer of one system would be readable by the application layer of another system. Some examples of presentation layer coding and conversion schemes include common data representation formats, conversion of character representation formats, common data compression schemes, and common data encryption schemes, for example, External Data Representation XDR used by Network File System NFS.
Layer 5 — Session Layer: The session layer establishes, manages, and terminates communication sessions. Communication sessions consist of service requests and service responses that occur between applications located in different network devices. These requests and responses are coordinated by protocols implemented at the session layer.
Layer 4 — Transport Layer: The transport layer accepts data from the session layer and segments the data for transport across the network.
Generally, the transport layer is responsible for making sure that the data is delivered error-free and in the proper sequence. Flow control generally occurs at the transport layer.
Some network layer implementations, such as the Internet Protocol IP , define network addresses in a way that route selection can be determined systematically by comparing the source network address with the destination network address and applying the subnet mask. Because this layer defines the logical network layout, routers can use this layer to determine how to forward packets.
Because of this, much of the design and configuration work for inter-networks happens at Layer 3, the network layer. Layer 2 — Data link Layer: The data link layer provides reliable transit of data across a physical network link.
Different data link layer specifications define different network and protocol characteristics, including physical addressing, network topology, error notification, sequencing of frames, and flow control. Physical addressing as opposed to network addressing defines how devices are addressed at the data link layer. Layer1 — Physical Layer: The physical layer defines the electrical, mechanical, procedural, and functional specifications for activating, maintaining, and deactivating the physical link between communicating network systems.
Physical layer specifications define characteristics such as voltage levels, timing of voltage changes, physical data rates, maximum transmission distances, and physical connectors. Popular physical layer protocols include RS, X. Understand the characteristics of the OSI Layers. The seven layers of the OSI reference model can be divided into two categories: upper layers and lower layers.
The upper layers of the OSI model deal with application issues and generally are implemented only in software. The highest layer, the application layer, is closest to the end user. Both users and application layer processes interact with software applications that contain a communications component. The term upper layer is sometimes used to refer to any layer above another layer in the OSI model. The lower layers of the OSI model handle data transport issues.
The physical layer and the data link layer are implemented partly in hardware and software. The lowest layer, the physical layer, is closest to the physical network medium the network cabling, for example and is responsible for actually placing information on the medium. A given layer in the OSI model generally communicates with three other OSI layers: the layer directly above it, the layer directly below it, and its peer layer in other networked computer systems.
The data link layer in System A, for example, communicates with the network layer of System A, the physical layer of System A, and the data link layer in System B. One OSI layer communicates with another layer to make use of the services provided by the second layer.
The services provided by adjacent layers help a given OSI layer communicate with its peer layer in other computer systems. Three basic elements are involved in layer services: the service user, the service provider, and the service access point SAP. The service provider is the OSI layer that provides services to service users. OSI layers can provide services to multiple service users. Everywhere that one device computer, tablet, smartphone, printer, etc.
A router or wireless access point typically works as the hub of networked computer communications. Yes No. Not Helpful 0 Helpful 7. It is a network that only spans a home or office. It is a network that spans a large area. How large is subjective, it can refer to anything from a city or town, all the way up to the entire Internet. This kind of network is larger than a city, since it spans an entire metropolitan area. Even though Disney World is not in Orlando's city limits, it is still in the Orlando metropolitan area.
Not Helpful 0 Helpful 0. Include your email address to get a message when this question is answered. By using this service, some information may be shared with YouTube. Submit a Tip All tip submissions are carefully reviewed before being published. Related wikiHows How to. How to. Co-authors: Updated: March 14, Categories: Computer Networking.