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