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