What is LAN ? – Local Area Network
LAN stands for Local Area Network. It normally connects the computers and other devices within one office, building or a group of nearby buildings.
|Advantages Disadvantages of LAN – Local Area Network|
Advantages of LAN or Local Area Network
1. Resource Sharing
2. Software Applications Sharing
3. Easy and Cheap Communication
4. Centralized Data
5. Data Security
6. Internet Sharing
Local Area Network provides the facility to share a single internet connection among all the LAN users. In Net Cafes, single internet connection sharing system keeps the internet expenses cheaper. Because only one high speed internet connection is purchased by a net cafe from any ISP – Internet Service Provider company.
This single high speed internet connection is managed on the server computer of the Net Cafe and available for all network clients with the help of Internet Connection Sharing facilities of the operating system.
|Advantages and Disadvantages of LAN Local Area Network|
Disadvantages of LAN or Local Area Network
1. High Setup Cost
Although the LAN will save cost over time due to shared computer resources but the initial setup costs of installing Local Area Networks is high. This is because any organization that will setup a network, will have to purchase necessary hardware equipment for networking.
It may require a sophisticated server computer – a Mini Computer, Network LAN cards, Network Routers, HUBS / Switches, Networking Cables (for wired networks only) and connectors etc. Additionally a Network technician will be required for setting up a new network in an organization.
If an organization has a large network, it must hire a network administrator for smooth running of network and solving any problems.
2. Privacy Violations
3. Data Security Threat
Unauthorized users can access important data of an organization if centralized data repository is not secured properly by the LAN administrator. LAN Administer is responsible for the security of the whole data resource in an organization.
LAN administrator will implement a fully functional security policy for database safety.
4. LAN Maintenance Job
Local Area Network requires a LAN Administrator. Because, there are problems of software installations or hardware failures or cable disturbances in Local Area Network. A LAN Administrator is needed at this full time job.
A LAN Administrator may be with an M.C.S. or B.S.C.S. degree holder person optionally with a course / diploma in networking field or with relative experience in the field.
5. Covers Limited Area
Local Area Network covers a small area like one office, one building or a group of nearby buildings.
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