Microsoft Azure Architect Technologies (AZ-300) Practice Exam

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Prepare for the Microsoft Azure Architect Technologies Exam with comprehensive quizzes, flashcards, and simulated questions. Master the skills required to design solutions on Azure and earn your certification efficiently!

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What is the key requirement to decrypt data that has been encrypted using asymmetric encryption?

The same key used for encryption
A different key from the public key
Only the private key
The symmetric key

The correct answer is: A different key from the public key

In asymmetric encryption, data is encrypted using a public key and can only be decrypted using a corresponding private key. The keys in asymmetric encryption are a pair: one is public and can be shared with anyone, while the other is private and must be kept secret. The correct choice highlights that a different key is essential for decryption. In this case, it specifically refers to the private key that complements the public key used for encryption. When data is encrypted with the public key, it is designed to ensure that only someone with the corresponding private key can decrypt it, thereby maintaining confidentiality and security. This mechanism allows users to share their public key widely while keeping the private key secure, ensuring that only authorized parties can access the encrypted information. Understanding this is fundamental to grasping how asymmetric encryption functions within the broader landscape of secure communications and data protection.