Cryptography MCQsTEST YOUR KNOWLEDGE WITH TOP MULTIPLE CHOICE QUESTIONS#1. What is the primary purpose of cryptography in computer security? A. Data Storage A. Data Storage B. Data Integrity B. Data Integrity C. Data Confidentiality C. Data Confidentiality D. Data Compression D. Data Compression E. Data Sorting E. Data Sorting #2. Which encryption algorithm is symmetric and commonly used for securing data transmission? A. RSA A. RSA B. AES B. AES C. DES C. DES D. SHA D. SHA E. HMAC E. HMAC #3. What is a cryptographic hash function used for? A. Data Encryption A. Data Encryption B. Data Compression B. Data Compression C. Data Integrity C. Data Integrity D. Data Sorting D. Data Sorting E. Data Storage E. Data Storage #4. Which key is used for decryption in asymmetric cryptography? A. Private Key A. Private Key B. Public Key B. Public Key C. Session Key C. Session Key D. Master Key D. Master Key E. Symmetric Key E. Symmetric Key #5. What does SSL stand for in the context of secure communication over the internet? A. Secure Socket Layer A. Secure Socket Layer B. Secure System Language B. Secure System Language C. Secure Server Link C. Secure Server Link D. Secure Software Library D. Secure Software Library E. Strong Security Level E. Strong Security Level Download as PDFRelated posts:Big Data MCQsBlock Chain MCQsCloud Computing MCQsData Science MCQs#6. Which type of attack involves intercepting and altering communication between two parties without their knowledge? A. Man-in-the-Middle A. Man-in-the-Middle B. DDoS B. DDoS C. Phishing C. Phishing D. Spoofing D. Spoofing E. Brute Force E. Brute Force #7. What is the primary purpose of a digital signature in cryptography? A. Data Encryption A. Data Encryption B. Data Integrity B. Data Integrity C. Data Compression C. Data Compression D. Data Sorting D. Data Sorting E. Data Authentication E. Data Authentication #8. Which encryption algorithm is known for its use in securing wireless networks under the WEP standard? A. AES A. AES B. RSA B. RSA C. DES C. DES D. RC4 D. RC4 E. SHA E. SHA #9. What is the main advantage of asymmetric cryptography over symmetric cryptography? A. Faster computation A. Faster computation B. Longer key lengths B. Longer key lengths C. Simplicity of key management C. Simplicity of key management D. Lower security level D. Lower security level E. No need for key exchange E. No need for key exchange #10. Which of the following is a common symmetric encryption algorithm used for securing messages? A. Diffie-Hellman A. Diffie-Hellman B. RSA B. RSA C. ECC C. ECC D. AES D. AES E. ElGamal E. ElGamal Download as PDFRelated posts:Big Data MCQsBlock Chain MCQsCloud Computing MCQsData Science MCQs#11. In public-key cryptography, what is the purpose of a public key? A. Encryption A. Encryption B. Decryption B. Decryption C. Key Exchange C. Key Exchange D. Authentication D. Authentication E. Digital Signature E. Digital Signature #12. What is the purpose of an initialization vector (IV) in encryption algorithms like AES? A. Authenticity A. Authenticity B. Data Compression B. Data Compression C. Randomness C. Randomness D. Key Generation D. Key Generation E. Data Integrity E. Data Integrity #13. Which encryption algorithm is based on mathematical problems related to integer factorization? A. RSA A. RSA B. DES B. DES C. AES C. AES D. HMAC D. HMAC E. SHA E. SHA #14. What is the key length of the widely used AES-256 encryption algorithm? A. 128 bits A. 128 bits B. 192 bits B. 192 bits C. 256 bits C. 256 bits D. 512 bits D. 512 bits E. 1024 bits E. 1024 bits #15. What is the process of converting plaintext into ciphertext called in cryptography? A. Decryption A. Decryption B. Hashing B. Hashing C. Encryption C. Encryption D. Compression D. Compression E. Encoding E. Encoding Download as PDFRelated posts:Big Data MCQsBlock Chain MCQsCloud Computing MCQsData Science MCQs#16. Which cryptographic algorithm is commonly used for secure digital signatures and key exchange protocols? A. RSA A. RSA B. AES B. AES C. DES C. DES D. SHA D. SHA E. HMAC E. HMAC #17. What is the primary purpose of a salt in password hashing? A. Data Encryption A. Data Encryption B. Data Integrity B. Data Integrity C. Data Compression C. Data Compression D. Data Sorting D. Data Sorting E. Password Security E. Password Security #18. Which type of encryption uses the same key for both encryption and decryption? A. Asymmetric A. Asymmetric B. Symmetric B. Symmetric C. Public Key C. Public Key D. Private Key D. Private Key E. One-Time Pad E. One-Time Pad #19. What is the purpose of a nonce in cryptographic protocols? A. Random number generation A. Random number generation B. Data Encryption B. Data Encryption C. Data Compression C. Data Compression D. Data Integrity D. Data Integrity E. Data Storage E. Data Storage #20. Which cryptographic algorithm is commonly used for secure email communication? A. RSA A. RSA B. AES B. AES C. DES C. DES D. PGP D. PGP E. HMAC E. HMAC Download as PDFRelated posts:Big Data MCQsBlock Chain MCQsCloud Computing MCQsData Science MCQsNextResults Download as PDFRelated posts:Big Data MCQsBlock Chain MCQsCloud Computing MCQsData Science MCQs Download as PDFRelated posts:Big Data MCQsBlock Chain MCQsCloud Computing MCQsData Science MCQs Download as PDFShare this:Click to share on Facebook (Opens in new window)Click to share on Telegram (Opens in new window)Click to share on WhatsApp (Opens in new window)Related posts:Big Data MCQsBlock Chain MCQsCloud Computing MCQsData Science MCQs