GICSP Practice Test 2025 – Complete Study Resource

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What does AES represent in the context of block ciphers?

A Standard Encryption Scheme

A Specific Encryption Method

A Very Common Block Cipher

AES stands for Advanced Encryption Standard, and it is indeed recognized as a very common block cipher used in various applications to secure data. It was established as the encryption standard by the National Institute of Standards and Technology (NIST) in 2001 and has since become widely adopted in both government and commercial sectors for its robustness and efficiency.

As a block cipher, AES processes data in fixed-size blocks (128 bits) and supports key lengths of 128, 192, and 256 bits. Its design ensures that it is secure against many forms of attack, which helps maintain the confidentiality and integrity of the data being encrypted. AES is prevalent in applications such as secure communications, file encryption, and securing connections over the internet, making it a cornerstone of modern cryptographic practices.

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A Non-Standardized Cipher

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