Server

1. What is the purpose of server in networking?

• A server stores, sends, and receives data. In essence, it "serves" something else and exists to provide services.
• A computer, software program, or even a storage device may act as a server, and it may provide one service or several.

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2. How many servers does a network need?

• To illustrate, if you would like to merely share documents with members of the team so that they collaborate, one server is more than enough.
• However, as your business grows and more emails, documents, and online programs are used, you may need a different server to handle the new demand.

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3. How many types of servers are there in networking?

• Database servers, print servers, mail servers, file servers, application servers, web servers, and game servers are a few examples of servers.
• The request-response paradigm, in which a client submits a request to the server, is the one used to create client-server systems most frequently.

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4. What is the most important function of a network server?

• Serving Network Requests. The main and important function of a network server is to listen to all requests from client machines over the network connections. And a good demonstration is the interaction between the network server and browser.

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5. Why is the server the most important part of a network?

• A network server makes it easy for you to give different people access to different files, programs or data and do so in a highly controlled, secure manner.
• With a server, it's easier to roll out new software or make changes to every device on your company network. Managing security risks.

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6. How do servers communicate with computers?

• Clients typically communicate with servers by using the TCP/IP protocol suite.
• TCP is a connection-oriented protocol, which means the protocol establishes and maintains connections until the application programs at each end have finished exchanging messages.

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7. How many devices can a server handle?

• A Single CPU core will commonly handle an average of 220 to 250 concurrent connections simultaneously.
• If for instance, a website runs on a server that has a single CPU with 2 CPU cores, approximately 500 visitors may access and search the website at the same time.

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8. What happens when a server goes down?

• In a network outage, the server can't communicate with other computers, causing work to grind to a halt.
• The difficult thing about network outages is that they can be caused by anything from router failures to cable cuts to internet service provider problems.

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9. Can a server talk to another server?

• Servers on the internet communicate with each other through a protocol called the Internet Protocol (IP).
• When a server wants to send data to another server, it breaks the data into smaller packets and attaches the IP address of the destination server to each packet.

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10. How does a client connect to a server?

• To connect to the server, the client places the port number and the IP address of the server into a sockaddr_in structure like the bind() call.
• If the client does not know the server IP address, but it does know the server host name, the gethostbyname() call is called to translate the host name into its IP address.

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