2nd October 2019

stackoverflow

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What is the use of socket programming?

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Sockets provide the communication mechanism between two computers using TCP. A client program creates a socket on its end of the communication and attempts to connect that socket to a server. When the connection is made, the server creates a socket object on its end of the communication.

How does the socket work?

Sockets are commonly used for client/server interaction. A socket has a typical flow of events. In a connection-oriented client-to-server model, the socket on the server process waits for requests from a client. To do this, the server first establishes (binds) an address that clients can use to find the server.

What is the use of socket in Linux?

A socket is just a logical endpoint for communication. They exist on the transport layer. You can send and receive things on a socket, you can bind and listen to a socket. A socket is specific to a protocol, machine, and port, and is addressed as such in the header of a packet.

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Why do we need socket programming?

Sockets provide the communication mechanism between two computers using TCP. A client program creates a socket on its end of the communication and attempts to connect that socket to a server. When the connection is made, the server creates a socket object on its end of the communication.

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What is a socket in network programming?

A socket is one endpoint of a two-way communication link between two programs running on the network. A socket is bound to a port number so that the TCP layer can identify the application that data is destined to be sent to. An endpoint is a combination of an IP address and a port number.

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What is meant by Web socket?

WebSocket is a computer communications protocol, providing full-duplex communication channels over a single TCP connection. The WebSocket protocol was standardized by the IETF as RFC 6455 in 2011, and the WebSocket API in Web IDL is being standardized by the W3C.

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What is the use of socket IO?

Socket.IO is a JavaScript library for realtime web applications. It enables realtime, bi-directional communication between web clients and servers. It has two parts: a client-side library that runs in the browser, and a server-side library for Node.js.

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How does a network socket work?

A socket has a typical flow of events. In a connection-oriented client-to-server model, the socket on the server process waits for requests from a client. To do this, the server first establishes (binds) an address that clients can use to find the server.

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What is the use of socket in Linux?

A socket is just a logical endpoint for communication. They exist on the transport layer. You can send and receive things on a socket, you can bind and listen to a socket. A socket is specific to a protocol, machine, and port, and is addressed as such in the header of a packet.

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What is a port number used for?

A port number is a way to identify a specific process to which an Internet or other network message is to be forwarded when it arrives at a server. For the Transmission Control Protocol and the User Datagram Protocol, a port number is a 16-bit integer that is put in the header appended to a message unit.

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What is the use of Session in Java?

Session Tracking is a way to maintain state (data) of an user. It is also known as session management in servlet. Http protocol is a stateless so we need to maintain state using session tracking techniques. Each time user requests to the server, server treats the request as the new request.

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What is the socket API?

A network socket is one endpoint in a communication flow between two programs running over a network. Sockets are created and used with a set of programming requests or "function calls" sometimes called the sockets application programming interface (API).

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What is a socket tool?

A socket wrench is a type of wrench or spanner that has a socket attached at one end, usually used to turn a fastener. The most prevalent form is the ratcheting socket wrench, often informally called a ratchet. Pulled or pushed in one direction, the ratchet loosens or tightens the bolt or nut attached to the socket.

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What is the socket programming?

The java.net.Socket class represents a socket, and the java.net.ServerSocket class provides a mechanism for the server program to listen for clients and establish connections with them. The following steps occur when establishing a TCP connection between two computers using sockets −

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What is a power socket?

AC power plugs and sockets are devices that allow electrically operated equipment to be connected to the primary alternating current (AC) power supply in a building. Electrical plugs and sockets differ in voltage and current rating, shape, size and type of connectors.

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What is a processor socket?

The processor socket (also called a CPU socket) is the connector on the motherboard that houses a CPU and forms the electrical interface and contact with the CPU. Processor sockets use a pin grid array (PGA) where pins on the underside of the processor connect to holes in the processor socket.

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What is the JDBC?

Java Database Connectivity (JDBC) is an application programming interface (API) for the programming language Java, which defines how a client may access a database. It is a Java-based data access technology used for Java database connectivity. It is part of the Java Standard Edition platform, from Oracle Corporation.

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What is a socket in distributed systems?

Sockets. IPC with sockets is very common in distributed systems. In nutshell, a socket is a pair of an IP address and a port number. For two process to communicate, each of them needs a socket. A client must know IP and port of the server (server socket) to send a request to it.

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What is a server socket Java?

The java.net.ServerSocket Class. The java.net.ServerSocket class represents a server socket. It is constructed on a particular port. Then it calls accept() to listen for incoming connections. On a server with multiple IP addresses, the getInetAddress() method tells you which one this server socket is listening to.

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What is the difference between a plug and a socket?

A socket is something into which something is plugged or fitted (also called a receptacle). An outlet is something that something comes out of. A light socket is called a light socket because a light bulb is inserted into it. A power outlet is called an outlet because power comes out of it.

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What does wall socket mean?

A wall socket is a place in a wall where you can connect electrical equipment to the electricity supply.

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