Course 12 - Emerging Technologies Quiz

What is prompt injection?

A type of computer virus that spreads through email attachments
That describes a more traditional malware delivery method, not prompt injection.
Hidden instructions embedded in content an AI system reads, aimed at overriding its intended behavior
Correct!
A method for training AI models faster
Prompt injection is an attack technique, not a training method.
A legitimate way developers configure an AI system’s settings
It is an attack, not a configuration technique.

Why are default credentials a major risk for IoT devices specifically?

IoT devices cannot have their passwords changed at all
Most IoT devices allow changing the password -- the risk is that people often skip this step.
Attackers routinely scan the internet for devices still using factory-default logins
Correct!
Default credentials only affect the device’s warranty, not its security
Default credentials are a direct security risk, not just a warranty issue.
IoT devices are never connected to the internet
Most IoT devices are internet-connected, which is exactly what makes default credentials risky.

What does a blockchain’s tamper-resistance actually guarantee?

That every transaction ever recorded was accurate and honest
Tamper-resistance protects recorded data, but does not verify accuracy at the time of entry.
That data already recorded is difficult to secretly alter afterward
Correct!
That the smart contracts running on it are free of bugs
Smart contract bugs are a separate risk that tamper-resistance does not address.
That private keys can be recovered if lost
Key recovery is generally not possible on most blockchain systems -- this is why key custody matters so much.

What is the main purpose of post-quantum migration?

To make current computers run faster using quantum techniques
Post-quantum migration is about cryptography, not general computer performance.
To replace today’s encryption with algorithms designed to resist future quantum computers, before they become a practical threat
Correct!
To build the first working quantum computer
Post-quantum migration is a defensive cryptography effort, not a hardware-building project.
To eliminate the need for encryption entirely
Post-quantum migration replaces current algorithms with quantum-resistant ones -- it does not eliminate encryption.

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