Networking Concepts Essay Example for Free

Networking Concepts Essay Benefit of network Network: Network is very popular common word now. It is a collection of computers, printers, and other electronic devices which is linked by cables or wireless devices; it can make a situation for them to communicate with each other. For the welfare of network individuals are able to share and exchange information (files and programs), access common services (email and applications), and share hardware (printers, servers, image scanners, and fax machines). picture of LAN/MAN/WAN network The Name of Network LAN (Local Area Network: It is a small geographical area (Room, Building or a Campus) of networking MAN (Metropolitan Area Network): If network in a city than it is called MAN. WAN (Wide Area Network): If network spread geographically (Country of across Globe) than it is called WAN. Advantage of network: It offers a wide range of advantages. It help to transferee filesAA one computer to another, centralized printers, centralized information (an intranet web server, for example). For it programs can be run off a server, so updating means updating a single program, not one on each computer (which can be a nightmare if there are a few hundred computers), centralized data backup Disadvantage of network: To drive up network . there are many equipment needed which is much cost. Virtual Private Networking Service: Virtual Private Networking Service is failure for a secure network connection which can be taken on top of a public network, such as the Internet or Education Wireless Integrated Network. For the help of it Internet’s  infrastructure can move secured data to and from the campus network. It play an indispensable role    off-campus students and staff to access the Universitys online resources in the home computer,  through their ISP (Internet Service Providers) like Signet, Star Hub, etc. using dial-up or broadband service. We can also get the facility of Universitys  e-services or computing facilities that are not made available on  the Internet or WWW (World-Wide Web In this case we can do Laboratorys UNIX servers, network printers, file shares, personal web storage folders, etc for the help of network. Picture of Virtual private networ VPN on NTUwireless: There are also some risks in wireless network. So in this case to keep our privacy on NTUwireless, our campus wireless network, we can  use  this VPN service to dial-out of NTUwireless – as like as we normally use VPN on the Internet to access NTU network. To connect wired  network to the campus, VPN connection is not necessary. This service is not turned on for  the wired network. VPN client behind the corporate firewall: Most organizations and universities  have some form of firewall implementations on their  Internet gateway to except for Signet, Star hub or the overseas ISP If there is a firewall in your organization, you  should use SSL VPN to connect. or, If you want to connect NTU with Microsoft VPN, the organization’s Firewall  requires PPTP traffic  via TCP port 1723 ;amp; GRE protocol to  pass through the  Firewall. Network Installations: networking of a communications system through to planning, designing, installing and maintaining the system. (Picture of network installation Connect Systems work is able to provide the best computer network design and specification, meeting both present and ongoing requirements to each client and is closely with each client. We offer a wide number of benefit to all client . These include recommend, supply and install all the necessary hardware and software for your network installations, as well as we offer tuning and support system . To provide a total data and voice transport system including help and advice with the design and fitting of client’s computer rooms a structured wiring can be installed. The necessary thing or installation: Windows Vista/2003/XP * Cyrix Presentation Server ;amp; Access Essentials * Internet, Firewall and VPN connectivity solutions including Cisco PIX, Symantec Enterprise Firewall installation and configuration * E-mail products including Exchange, Lotus Notes and Outlook, Mobile email via Blackberry and Windows mobile devices * Back-up software including Arc serve and Backup Exec * An ti-virus solutions including Trend Micro * Content Checking technology such as Minesweeper and Super Scout * Supply and configuration of server and PC hardware. Operating system of network: Net work operating system: It is an operating system which has components and programs to allow a computer on a network to serve request from other computer in term of data providing access to other resources such as printer and file systems Some steps of simple file and print sharing: Content 1. File Sharing Basics 2. Naming Computers 3. Install File and Print Sharing 4. Disable Simple Sharing 5. Disable Firewalls and Other Software 6. Create User Accounts 7. Sharing the Folder 8. How to Check Which Folders are Shared 9. Mapping a Network Drive 10. How to Remove File Sharing 11. Sharing Printers with Others on Your Network 12. Troubleshooting File and Print Sharing Install file and print sharing: Our task is to go into your Network contractions under the Local Area Connection Properties window, and need check whether S the General tab is included or not. We can use the following items for this connection. Or the Components are checked by this connection section, we can check that File and Printer Sharing for Microsoft Networks can list we have to be aware about that the checkbox is checked. If it is listed, the computer is already configured for file sharing; click Cancel. If it is not listed, then Click Install button. Click on Service. Click Add. What we need for instillation: . Click OK. We might need your Windows install CD and if the computer asks to restart, click yes. We can use the following operating system: We can use the following operating system: 1. JUNOS. Used in routers and switches from Juniper Networks. Cisco JOS (formerly ‘Cisco Internet work Operating System’) is a NOM having a focus on the internetworking capabilities of network device. It is used on Cisco System router and some network switches. 2.