What is the preferred way of encryption?(a) pre shared secret key(b) using key distribution center (KDC)(c) public key-encryption(d) symmetric keyI have been asked this question in an international level competition.The doubt is from Security topic in chapter Security of Operating System

What is the preferred way of encryption?(a) pre shared secret key(b) u

1.	What is the preferred way of encryption?(a) pre shared secret key(b) using key distribution center (KDC)(c) public key-encryption(d) symmetric keyI have been asked this question in an international level competition.The doubt is from Security topic in chapter Security of Operating System
Answer» Right CHOICE is (c) public key-encryption For explanation: Pre Shared key can be compromised and either party can be suspected. Likewise KDC or symmetric key can have breach which are UNDESIRABLE. Public and private key encryption is a KNOWN INDUSTRY standard.

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What is the preferred way of encryption?(a) pre shared secret key(b) using key distribution center (KDC)(c) public key-encryption(d) symmetric keyI have been asked this question in an international level competition.The doubt is from Security topic in chapter Security of Operating System

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