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Which of the following symmetric key encryption ciphers provides the strongest protections O DES AES RC4 WEP

Which of the following symmetric key encryption ciphers provides the strongest protections O DES AES RC4 WEP

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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**Question:** Which of the following symmetric key encryption ciphers provides the strongest protection? - O DES - O AES - O RC4 - O WEP **Explanation:** This question presents a list of symmetric key encryption ciphers and asks which provides the strongest protection. **Ciphers Explained:** 1. **DES (Data Encryption Standard):** An older encryption protocol that uses a 56-bit key. It is considered relatively weak by today’s standards due to advances in computing power. 2. **AES (Advanced Encryption Standard):** A highly secure encryption standard that supports key sizes of 128, 192, and 256 bits. It is widely used and considered very strong. 3. **RC4 (Rivest Cipher 4):** A stream cipher known for its simplicity and speed, but it has vulnerabilities that make it inappropriate for securing sensitive data today. 4. **WEP (Wired Equivalent Privacy):** An outdated security algorithm for wireless networks that has multiple vulnerabilities, making it insecure for modern use. **Correct Answer:** AES is generally regarded as the strongest encryption method among those listed.
Transcribed Image Text:**Question:** Which of the following symmetric key encryption ciphers provides the strongest protection? - O DES - O AES - O RC4 - O WEP **Explanation:** This question presents a list of symmetric key encryption ciphers and asks which provides the strongest protection. **Ciphers Explained:** 1. **DES (Data Encryption Standard):** An older encryption protocol that uses a 56-bit key. It is considered relatively weak by today’s standards due to advances in computing power. 2. **AES (Advanced Encryption Standard):** A highly secure encryption standard that supports key sizes of 128, 192, and 256 bits. It is widely used and considered very strong. 3. **RC4 (Rivest Cipher 4):** A stream cipher known for its simplicity and speed, but it has vulnerabilities that make it inappropriate for securing sensitive data today. 4. **WEP (Wired Equivalent Privacy):** An outdated security algorithm for wireless networks that has multiple vulnerabilities, making it insecure for modern use. **Correct Answer:** AES is generally regarded as the strongest encryption method among those listed.
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