Which of the following protocols is built in the Web server and browser to encrypt data traveling over the Internet.
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A. B. C. D.B.
The correct answer is B. SSL.
SSL (Secure Sockets Layer), now known as TLS (Transport Layer Security), is a protocol built into the web server and browser that encrypts data traveling over the Internet. It provides secure communication between two endpoints, ensuring confidentiality and integrity of the data being transmitted.
SSL/TLS is used to establish a secure connection between a web server and a client (typically a web browser). When a user visits a website that uses SSL/TLS, the web server sends its SSL/TLS certificate to the client to establish trust. The client then generates a session key, which is used to encrypt and decrypt all communication between the two endpoints.
SSL/TLS provides several layers of security, including encryption, authentication, and message integrity. It uses various encryption algorithms, such as RSA, AES, and 3DES, to encrypt the data being transmitted. SSL/TLS also provides authentication to ensure that the data is being transmitted between trusted parties. Message integrity is maintained through the use of message digests (such as SHA-1 and SHA-256), which ensure that the data has not been tampered with during transmission.
UDP (User Datagram Protocol) is a transport layer protocol that does not provide encryption or any other security features. It is typically used for applications that require fast and efficient communication, such as real-time video streaming and online gaming.
IPSec (Internet Protocol Security) is a protocol that provides secure communication between two endpoints at the network layer. It provides authentication, confidentiality, and integrity of IP packets being transmitted over the network. However, it is typically used in enterprise environments and not built into web servers and browsers.
HTTP (Hypertext Transfer Protocol) is a protocol used for communication between web servers and clients, but it does not provide any security features. HTTPS (HTTP Secure) is a variation of HTTP that uses SSL/TLS to provide secure communication between web servers and clients.