Question#1 Is symmetric encryption using only one key for both encryption and decryption? a) True ✅ - Answer b) False Question#2 Does asymmetric encryption use the same key for encryption and decryption? a) True b) False ✅ - Answer Question#3 Is AES an example of a symmetric encryption algorithm? a) True ✅ - Answer b) False Question#4 Is RSA an example of a symmetric encryption algorithm? a) True b) False ✅ - Answer Question#5 Does symmetric encryption require a secure key distribution system? a) True ✅ - Answer b) False Question#6 Can asymmetric encryption be used for authentication purposes? a) True ✅ - Answer b) False Question#7 Is the Caesar cipher a type of substitution technique? a) True ✅ - Answer b) False Question#8 Does the Playfair cipher operate on individual letters rather than pairs? a) True b) False ✅ - Answer Question#9 Is the key value fixed in the shift cipher technique? a) True b) False ✅ - Answer Question#10 Does symmetric encryption provide a higher level of security than asymmetric encryption? a) True b) False ✅ - Answer Question#11 Is the private key in asymmetric encryption shared with anyone? a) True b) False ✅ - Answer Question#12 Can the Caesar cipher be represented using modular arithmetic? a) True ✅ - Answer b) False Question#13 Is the Playfair cipher considered more complex than the Caesar cipher? a) True ✅ - Answer b) False Question#14 Does symmetric encryption use two different keys for encryption and decryption? a) True b) False ✅ - Answer Question#15 Is the DES algorithm an example of asymmetric encryption? a) True b) False ✅ - Answer Question#16 Does asymmetric encryption eliminate the need for a secure key distribution system? a) True ✅ - Answer b) False Question#17 Is the key in symmetric encryption known as the public key? a) True b) False ✅ - Answer Question#18 Can the shift cipher technique use any key value from 0 to 25? a) True ✅ - Answer b) False Question#19 Is the Playfair cipher based on a 5x5 matrix of letters? a) True ✅ - Answer b) False Question#20 Does symmetric encryption process data faster than asymmetric encryption? a) True ✅ - Answer b) False