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Feb 07
Quantum encryption method demonstrated at city-sized distances for the first time
AI-Generated from
Phys.org - News And Articles On Science And Technology
1.
What is one of the concerns that has motivated researchers to work on innovative new ways to encrypt information?
A
Quantum computers hacking into secure communications
B
Quantum key distribution (QKD)
C
Traditional encryption methods becoming outdated
D
Increasing network speeds
2.
What is quantum key distribution (QKD)?
A
A method to disrupt quantum states
B
A quantum-based secure encryption method
C
A type of quantum computer
D
A traditional encryption method
3.
How does quantum key distribution (QKD) make unauthorized interception detectable?
A
By increasing network speeds
B
By using traditional encryption methods
C
By disrupting the quantum state when eavesdropping attempts occur
D
By improving quantum computers
4.
What happens when eavesdropping attempts disrupt the quantum state in quantum key distribution (QKD)?
A
The encryption becomes weaker
B
Unauthorized interception becomes undetectable
C
The communication remains secure
D
Unauthorized interception becomes detectable
5.
Why is quantum key distribution (QKD) considered a secure encryption method?
A
It is based on traditional encryption techniques
B
It uses weak encryption algorithms
C
It makes unauthorized interception immediately detectable
D
It has slow network speeds
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