
220 CEH M20 Cryptography

Quiz
•
Information Technology (IT)
•
University
•
Hard
Olivier Ligot
Used 3+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following algorithms is an example of symmetric encryption?
RSA
AES
ECC
DSA
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of hashing in cryptography?
Encrypt data for confidentiality
Generate encryption keys
Ensure data integrity
Authenticate users
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In blockchain technology, which cryptographic method is primarily used to ensure the immutability of data blocks?
Symmetric encryption
Hashing
Asymmetric encryption
Digital signatures
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a characteristic of asymmetric encryption?
It uses a single key for both encryption and decryption
It is faster than symmetric encryption
It uses a public and a private key
It does not require key exchange
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does blockchain achieve trust and transparency in a distributed system?
By using centralized control
By encrypting all transactions
By using consensus mechanisms and cryptographic hashes
By avoiding cryptographic algorithms
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