
decryption
Quiz
•
Computers
•
10th Grade
•
Practice Problem
•
Medium
Arasaka Teacher
Used 1+ times
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12 questions
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1.
DRAG AND DROP QUESTION
2 mins • 4 pts
Data is encrypted to keep it safe during transmission.
Complete the paragraph about asymmetric encryption.
....................................... (a) ...................... is encrypted into .................................. (b) ............................ using a ........................................ (c) ...................... . The encrypted data is then transmitted from the sender to the receiver. The encrypted data is then decrypted using a
.................. (d) ........................................ .
2.
DROPDOWN QUESTION
1 min • 1 pt
· Encryption converts plain text into unreadable (a) .
· An algorithm and a key are used for encryption and decryption.
· The same key is needed to both encrypt and decrypt the data.
· The key can be created using an algorithm.
· The key must be securely shared with the receiver.
· If someone else gets the key, they can read the data.
· (b) protects information and keeps it private.
3.
DRAG AND DROP QUESTION
1 min • 1 pt
Give the purpose of encryption.
To help keep the (a)
· To make the data (b)
4.
FILL IN THE BLANK QUESTION
2 mins • 4 pts
Symmetric encryption uses a shared key …
… which is used for both —————— and decryption.
Both the sender and receiver must know the key in advance.
If the key is leaked, anyone can decrypt the data.
Asymmetric encryption uses two different keys // a—————— and a———————— .
… The public key is used to encrypt the data, and the private key is used to decrypt it.
… Anyone can know the public key, but only the intended recipient has the private key.
Asymmetric encryption provides better security for communication but is slower than symmetric encryption.
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
对称性加密
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
非对称性加密
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
解密
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