Quiz 7 computer security
Secure Your Knowledge: Computer Security Quiz
Test your knowledge of computer security with this engaging quiz designed to challenge your understanding of cryptographic algorithms, encryption methods, and digital signatures. Whether you're a student, professional, or simply a computer security enthusiast, this quiz will help you evaluate your skills!
- 10 multiple-choice questions
- Instant feedback on your answers
- Improve your understanding of computer security concepts
Which cryptographic algorithm forms the basis of the El Gamal cryptosystem?
Diffie-Hellman
RSA
IDEA
3DES
If Richard wants to send an encrypted message to Sue using a public key cryptosystem, which key does he use to encrypt the message?
Sue's public key
Sue's private key
Richard's private key
Richard's public key
If a 2,048-bit plaintext message were encrypted with the El Gamal public key cryptosystem, how long would the resulting ciphertext message be?
8,192 bits
4,096 bits
2,048 bits
1,024 bits
Acme Widgets currently uses a 1,024-bit RSA encryption standard companywide. The company plans to convert from RSA to an elliptic curve cryptosystem. If it wants to maintain the same cryptographic strength, what ECC key length should it use?
512 bits
160 bits
1,024 bits
2,048 bits
John wants to produce a message digest of a 2,048-byte-message he plans to send to Mary. If he uses the SHA-1 hashing algorithm, what size will the message digest for this particular message be?
1,024 bits
160 bits
2,048 bits
512 bits
What encryption technique does WPA use to protect wireless communications?
DES
TKIP
AES
3DES
Richard wants to digitally sign a message he's sending to Sue so that Sue can be sure the message came from without modification while in transit. Which key should he use to encrypt the message digest?
Richard's public key
Sue's private key
Sue's public key
Richard's private key
Which International Telecommunications Union (ITU) standard governs the creation and endorsement of digital certificates for secure electronic communication?
X.500
X.905
X.509
X.900
What type of cryptographic attack rendered Double DES (2DES) no more effective than standard DES encryption?
Birthday attack
Man in the middle attack
Chosen ciphertext attack
Meet in the middle attack
What is the major disadvantage of using certificate revocation lists?
Record keeping
Vulnerability to brute-force attacks
Key-management
Latency
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