Which of the following is a characteristic of WebSockets?Select one:a. Synchronousb. Bidirectionalc. Statefuld. Connectionless

To determine the characteristic of WebSockets, we need to analyze each option provided:

a. Synchronous: WebSockets are asynchronous, meaning that they allow for real-time communication between a client and a server without the need for constant polling.

b. Bidirectional: This is a correct characteristic of WebSockets. They enable communication in both directions, allowing data to be sent and received simultaneously.

c. Stateful: WebSockets are stateful, meaning that they maintain a continuous connection between the client and the server, allowing for the exchange of multiple messages over time.

d. Connectionless: This is not a characteristic of WebSockets. Unlike traditional HTTP connections, WebSockets establish a persistent connection between the client and the server.

Based on the analysis, the correct characteristic of WebSockets is b. Bidirectional.