In the context of quantum threats, what is Crypto Agility?

The ability to quickly switch between different cryptographic algorithms.

What is the primary concern of "Harvest Now, Decrypt Later" attacks?

Encrypted data is being stored now to be decrypted later with quantum comp

What is a key limitation of Quantum Key Distribution (QKD) as a security solution?

It is computationally expensive and not yet scalable for global use.

What is one major challenge organizations face in transitioning to post-quantum cryptography?

The high cost and complexity of migration.

Which of the following is NOT considered a post-quantum cryptographic approach?

Elliptic curve cryptography (ECC)

How does Grover’s Algorithm impact symmetric encryption security?

It reduces the effective key length by half.

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Quantum Threats and how to Prepare for Post Quantum Era

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1
In the context of quantum threats, what is Crypto Agility?
The agility of qubits in a quantum computer.
The capability to perform quantum computations efficiently.
The ability to break classical encryption using quantum computers.
The ability to quickly switch between different cryptographic algorithms.
2
What is the primary concern of "Harvest Now, Decrypt Later" attacks?
Encrypted data is being stored now to be decrypted later with quantum comp
Hackers are using quantum computers today to break encryption.
AI is being used to enhance cryptographic security.
Quantum encryption is being used to secure current data transmissions.
3
Which RFC introduces Post-Quantum Pre-Shared Key (PPK) as an enhancement to IKEv2?
RFC 9205
RFC 8446
RFC 8371
RFC 8784
4
Which of the following is NOT a key component of a complete quantum security solution?
Quantum Random Number Generator (QRNG)
Post-Quantum Cryptography (PQC)
Blockchain-based Encryption
Quantum Key Distribution (QKD)
5
What is a key limitation of Quantum Key Distribution (QKD) as a security solution?
It does not provide protection against quantum attacks.
It requires a trusted third party to distribute keys.
It is computationally expensive and not yet scalable for global use.
It eliminates the need for cryptographic algorithms.
6
What is the estimated number of logical qubits required to break RSA-2048 encryption using Shor’s Algorithm?
409
2953
8192
1000
7
What is one major challenge organizations face in transitioning to post-quantum cryptography?
The lack of interest from cybersecurity professionals.
The immediate obsolescence of symmetric encryption.
The high cost and complexity of migration.
The complete elimination of classical encryption techniques.
8
Which of the following is NOT considered a post-quantum cryptographic approach?
Lattice-based cryptography
Elliptic curve cryptography (ECC)
Code-based cryptography
Hash-based cryptography
9
How does Grover’s Algorithm impact symmetric encryption security?
It has no effect on symmetric encryption.
It completely breaks symmetric encryption.
It increases brute-force search time exponentially.
It reduces the effective key length by half.
10
Which quantum algorithm poses the greatest threat to asymmetric cryptographic systems like RSA and ECC?
Grover’s Algorithm
Bernstein-Vazirani Algorithm
Simon’s Algorithm
Shor’s Algorithm

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