WorksheetsUnit 7 - Aim B
Total questions: 30
Worksheet time: 15mins
What is the primary purpose of encryption?
Data compression
Data transformation
Data protection
Data replication
Which cryptographic method is used to prevent dictionary attacks?
Salting
Hashing
Obfuscation
Steganography
What does DRM stand for in cryptographic practices?
Digital Rights Management
Data Rights Management
Digital Resource Management
Data Resource Management
Which encryption method is considered unbreakable if the key is truly random?
Shift Ciphers
One-Time Pads
Block Ciphers
Stream Ciphers
Which of the following is an example of a block cipher?
AES
RC4
ChaCha20
SHA-256
What does E2EE stand for in communication encryption?
End-to-End Encryption
Easy-to-End Encryption
Essential-to-Essential Encryption
Enduring-to-Enduring Encryption
Which of these encryption algorithms is asymmetric?
AES
DES
RSA
3DES
What is the main advantage of two-factor authentication (2FA)?
Easier to remember
Faster access
Enhanced security
Which hashing algorithm is no longer considered secure due to collision vulnerabilities?
SHA-2
MD5
SHA-3
HMAC
What type of cryptographic primitive is a function that is easy to compute but difficult to reverse-engineer?
Pseudo-Random Function
One-Way Function
Block Cipher
Stream Cipher
Which principle is RSA encryption based on?
Discrete Logarithm Problem
Integer Factorization Problem
Collision Resistance
Prediction of Prime Numbers
Which cryptographic method is used to establish a shared secret key over an insecure channel?
RSA
AES
Diffie-Hellman Key Exchange
Block Cipher
What does GDPR mandate concerning personal data?
Deletion
Compression
Encryption
Duplication
Which digital certificate authority verifies website authenticity?
VPN
CA
HTTPS
DRM
What is the purpose of steganography?
Encrypting data
Concealing messages
Hashing passwords
Obfuscating code
Which encryption tool is used in macOS for file and disk encryption?
BitLocker
FileVault
VeraCrypt
OpenVPN
What is an example of a symmetric key encryption algorithm?
RSA
AES
Diffie-Hellman
HMAC
Which of the following is used to protect wireless communications?
HTTPS
VPN
WPA3
DRM
What is the main ethical concern with government backdoors in encryption?
Data loss
Mass surveillance
Slow performance
High cost
Which protocol uses TLS/SSL encryption to protect web traffic?
HTTP
HTTPS
FTP
SMTP
Which cryptographic algorithm uses a public and private key pair?
AES
DES
RSA
3DES
What is the function of a pseudo-random function (PRF)?
Generate cryptographic keys
Encrypt data
Hash passwords
Compress files
Which algorithm is an enhanced version of DES?
RSA
3DES
What does HIPAA mandate for healthcare data?
Deletion
Compression
Encryption
Duplication
Which encryption algorithm is based on the difficulty of factoring large numbers?
AES
DES
RSA
3DES
What is the purpose of hashing in password storage?
Add a unique random value
Convert password into ciphertext
Ensure integrity
Prevent dictionary attacks
Which cryptographic method is used for high-speed encryption one bit or byte at a time?
Block Ciphers
Stream Ciphers
Hash Functions
One-Time Pads
Which method involves hiding the intent of code or data by making it difficult to interpret?
Steganography
Obfuscation
Salting
Hashing
Which of the following is an example of a stream cipher?
AES
DES
RC4
SHA-256
Which protocol encapsulates packets to securely transmit them over public networks?
HTTPS
GRE
VPN
DRM
