Network topology

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Network topology :-

·      Design of network

·      The layout of connected devices

·      Topology is a network & virtual shape or structure.

Network Design

Network Design:-

1 - Client-server

2 - Peer to Peer

1.   Client-Server:-

·   Clients such as laptops and desktop computers contact the server and request to use data or share its other resources with it.so client works as a services requester & server works as a service provider.

·      A client-server network is a central computer, also known as a server, which hosts data and other forms of resources.

·       A client-server network is designed for end-users(laptop ,computer ,mobile), called clients, to access resources such as files, songs, video collections, or some other service from a central computer called a server.

Advantages of client-server network :-

• To using this setup is central management of the server. Only one server is used to host the resources that all the clients request and use. This is especially good for server administrators, because they only have to be in one place and can solve all the problems in one place, as well. Having to manually update several hundred servers would take much more time. One centrally managed server is the key to ease of management, and it is cost effective, too.
• using one physical server is that the configuration is simple to set up and takes less time to troubleshoot. For instance, if there were a site with multiple servers providing redundant services, and it was having issues, it could take an extreme amount of work to effectively troubleshoot why services are being hindered. In a single server role, all troubleshooting takes place at one physical server, so it takes much less time.

Types Of Network In CCNA

LAN:-

vLAN is a computer network covering a small physical area. like a home, office, or small group of buildings, such as a school, or an airport.

vIts share a common communication line or wireless link to a server.

vComputers & other mobile devices use a LAN connection to share resources. like as printer or network storage.

vGenerally LAN is a part of Data link layer. In a small office or a school its connecting device is SWITCH. 

WAN:-

v It is a computer network  that cover the Geographical Area. Like as a city, country etc.

v It is a combination of many network (like as a LAN,MAN,CAN,PAN)

v The example of WAN is INTERNET which are used anywhere, anyplace.

MAN:-

v MAN is optimized for a larger geographical area than a LAN, ranging from several blocks of buildings to entire cities.

v It might be operated by single organisation, but it usually will be used by many individuals & organisation.

v Its range is used within a 50 km , devices used are modem & cable.

"Definition Of Networking "

What is network:-

• v In simply network means Interconnection .

• v A network is A Collection of Points or Nodes Interconnected by Communication Paths.it may be Wired or Wireless.

Wirless And Wired Connection

• Often Simply Referred to as A Network is A Collection of Hardware Component & Computers Interconnected by Communication Channels Which are Allow Sharing of Resources & Information