Cyber Security Certifications Practice Test 2025 – All-in-One Guide to Master Your Certification!

Question: 1 / 400

What does encryption do?

Increases internet speed for users

Prevents unauthorized access by converting data into a code

Encryption plays a vital role in cybersecurity by transforming plain-text data into code, which is known as ciphertext. This process makes the data unreadable to anyone who does not possess the appropriate decryption key. By converting information in this way, encryption effectively prevents unauthorized access, ensuring that sensitive data—whether it be personal, financial, or corporate—remains confidential and secure from prying eyes, such as hackers or other malicious entities.

This mechanism is fundamental in various applications, including secure communications over the internet, protecting stored data (like databases), and ensuring the integrity of transactions in online environments. While encrypting data does not inherently speed up internet connections or provide data storage solutions, it is crucial for maintaining privacy and trust in digital communications.

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Stores data for quick retrieval

Creates backups of all sensitive files

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