Which of the following is/are advantage of LAN?a)Easy and Cheap Communicationb)Less Setup Costc)Resource Sharingd)All of aboveCorrect answer is option 'D'. Can you explain this answer?

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Which of the following is/are advantage of LAN?

a)
Easy and Cheap Communication
b)
Less Setup Cost
c)
Resource Sharing
d)
All of above

Correct answer is option 'D'. Can you explain this answer?

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Which of the following is/are advantage of LAN?a)Easy and Cheap Commu...

Local Area Network is a group of computers connected to each other in a small area such as a building, office.
- LAN is used for connecting two or more personal computers through a communication medium such as twisted pair, coaxial cable, etc.
- Advantages of LAN:
  - Resource Sharing: Unlimited data sharing via computer resources such as printers, DVD-ROM, modems, drives, and hard disks with local area networks; this reduces costs.
  - Software Applications Sharing: It is cheaper for each client to use the same software on the network instead of buying separately licensed software.
  - Easy and Cheap Communication: Communication will be handy and economical because data and messages can be easily transferred to networked computers.
  - Centralized Data: All the data of users is saved on the server’s database, one should not worry about losing the data and documents. Since there is a backup option to avoid such errors.
  - Internet Sharing: Local area network facilitates the sharing of a single Internet connection among all the users who are connected with the LAN.
- Disadvantages of LAN:
  - Setup Cost: Although LANs will save costs over time due to sharing computer resources, the initial cost of establishing a local area network is a bit expensive.
  - LAN Maintenance: Local area networks require a LAN administrator for handling software installation, wiring setup, hardware failures, or cable malfunctions.
  - Server Load: If the server is not very good, it cannot overload many computer connections, which can cause damage.
  - Security: There is a risk of insecurity because hackers can enter the system. Similarly, viruses, malware can also enter into a LAN it can damage all those that are connected.
  - Covers Limited Area: The local area network is limited covers only a small area such as a home, an office, a building, or a cluster of nearby buildings.
Hence, the correct option is (d).

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