What are WebSockets?

What are WebSockets?
A . They are a standard for allowing bidirectional real-time communication between clients and servers. encapsulated within another transport protocol. like HTTP
C . They define the necessary socket communication layer to allow encrypted ideal-time data communication between clients and servers.
D . They provide a real-time bi-directional communication protocol to use in place of HTTPS lo provide secure and encrypt data between clients and servers.
E . they are another standard method for encrypting communication data between clients and servers like HttP

Answer: A