How does configuring a service to enforce non-repudiation with digital signatures benefit DataPower security?

How does configuring a service to enforce non-repudiation with digital signatures benefit DataPower security?
A . It ensures message integrity and verifies the sender’s identity, preventing denial of message origination.
B . Non-repudiation is primarily used to enhance the UI aesthetics of message logs.
C . It simplifies the security model by eliminating the need for encryption.
D . Digital signatures increase the size of the messages, making them more difficult to intercept.

Answer: A