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Questions and Answers
What is a socket in networking?
What is a socket in networking?
A socket is an interface that allows a process to send and receive messages to/from another process.
What are the two types of transport services provided via socket API?
What are the two types of transport services provided via socket API?
The reliable byte stream ensures that data emerges in the same order it was sent.
The reliable byte stream ensures that data emerges in the same order it was sent.
True
What is the application programming interface (API) in socket programming?
What is the application programming interface (API) in socket programming?
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What year was the Socket API introduced?
What year was the Socket API introduced?
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The _____ is a device or point in a wall where you can connect electrical equipment.
The _____ is a device or point in a wall where you can connect electrical equipment.
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Which statement describes an unreliable datagram?
Which statement describes an unreliable datagram?
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What is the goal of socket programming?
What is the goal of socket programming?
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Study Notes
Sockets Overview
- A socket acts as an endpoint for sending and receiving messages between processes over a network.
- Functions like a door for applications, allowing controlled communication via a transport protocol.
- Managed by the operating system, sockets facilitate the establishment of connections between hosts.
Network Communication
- Networking sockets enable processes to send and receive messages.
- The sending process pushes messages through its socket, relying on underlying transport infrastructure to deliver messages to the receiving process.
- Each socket is associated with either a host process or server process.
Socket Programming Goals
- Aims to create client/server applications that communicate using sockets.
- Provides a means for application processes to exchange messages effectively.
Socket API
- The Socket API, introduced in BSD4.1 UNIX in 1981, standardizes function calls for network communication.
- Essential for implementing a client/server architecture using BSD sockets.
- Includes functions to set up connections, send and receive data, and close connections.
Types of Transport Services
- Unreliable Datagram Service: Establishes a connection without guarantees on message delivery or order; errors are detected but not reported back.
- Reliable Byte Stream Service: Ensures that bytes sent are received in the same order and without corruption, guaranteeing data integrity during transfer.
TCP Socket Programming
- TCP (Transmission Control Protocol) sockets provide a reliable way to transfer data between application processes.
- They maintain the integrity of the byte stream, ensuring messages are received exactly as sent.
- The application developer controls the socket to facilitate communication over the network.
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Description
Explore the fundamentals of socket programming and how it facilitates communication between processes over a network. Learn about the roles of sockets, their management by the operating system, and the essential API that standardizes network communication. This quiz is ideal for those interested in client/server application development.
