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Which of the followings are true about asymmetric cryptography? Check all that apply. Asymmetric cryptography is also called private-key cryptography. Key distribution and management should be addressed when using asymmetric cryptography. Asymmetric cryptography supersedes and generalizes symmetric cryptography. Given the same key length, asymmetric cryptographic scheme is more secure than symmetric cryptographic scheme. Which of the followings does the Diffie-Hellman Key Exchange support? Check all that apply. Digital signature Encryption/decryption Key exchange