Q4 Single choice Flag Which of the following statements best describes a certification authority? A A certification authority is a type of encryption that uses a public key and a private key pair fordata encryption. B A certification authority is an entity that issues digital certificates for use by other parties. C A certification authority is a technique to authenticate digital documents by using computercryptography. D A certification authority is a type of encryption that uses a single key to encrypt and decryp t data. Correct answer