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1. Which post-quantum standard is based on CRYSTALS-Kyber?
SHA-1
DES
RSA-2048
ML-KEM
2. What does quantum superposition mean?
A password is stored in two databases
A quantum system can represent multiple possible states before measurement
A file is encrypted twice with the same key
A program runs automatically after download
3. Which quantum algorithm is famous for threatening RSA and elliptic-curve cryptography?
Bellman's algorithm
Dijkstra's algorithm
Shor's algorithm
Grover's algorithm
4. Why publish a SHA-256 hash for a downloadable file?
To automatically install the file
To replace encryption
To let users verify that the file was not altered
To make the file smaller
5. What does Grover's algorithm mainly reduce?
The speed of internet connections
The cost of brute-force search against symmetric keys and hashes
The need for digital certificates
The size of encrypted files
6. Which post-quantum standard is based on CRYSTALS-Dilithium?
AES-GCM
RC4
MD5
ML-DSA
7. What does 'harvest now, decrypt later' mean?
Encrypting files today so they expire later
Deleting old encryption keys after download
Compressing files before sending them
Collecting encrypted data today to decrypt it in the future with stronger technology
8. Why is AES-256 considered useful in a quantum-aware security strategy?
Because it is based on RSA
Because Grover's algorithm still leaves it with a large security margin
Because it is immune to all attacks forever
Because it does not use keys
9. What is the purpose of a digital signature on software?
To hide the source code completely
To make the program run faster
To prove authenticity and detect tampering
To remove all antivirus warnings forever
10. What is the main mission of quantum-safe software?
To make every computer a quantum computer
To replace all websites with blockchain systems
To protect data against both current and future quantum-era threats
To remove the need for cybersecurity
11. What is a qubit?
A firewall rule used by quantum networks
A normal byte stored in RAM
A compressed password
A quantum unit of information that can exist in superposition
12. What is post-quantum cryptography?
A faster version of classical compression
Cryptography that only works inside quantum processors
A method for hiding passwords in images
Cryptography designed to resist attacks from future quantum computers
13. What is quantum entanglement?
A type of malware protection
A way to compress executable files
A relationship where quantum particles share correlated measurement outcomes
A classical backup method
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