

Encryption and Check Digit Concepts
Interactive Video
•
Computers
•
9th - 10th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of encryption in data transmission?
To reduce data transmission cost
To secure data from unauthorized access
To make data transmission faster
To increase data size
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of where encryption is commonly used?
Listening to radio
Online purchases
Watching free-to-air TV
Offline book reading
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key characteristic of symmetric encryption?
It is slower than asymmetric encryption
It uses two different keys for encryption and decryption
It uses the same key for both encryption and decryption
It requires no key for decryption
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is symmetric encryption considered less secure than asymmetric encryption?
It cannot encrypt large amounts of data
It uses a public key for encryption
It requires more computational power
The same key is used for both encryption and decryption
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key advantage of asymmetric encryption over symmetric encryption?
It is faster than symmetric encryption
It uses a single key for both encryption and decryption
It provides confidentiality, authenticity, and validation
It requires no keys at all
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In asymmetric encryption, what is the role of the private key?
To reduce encryption speed
To increase data size
To decrypt data
To encrypt data
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a check digit primarily used for?
To check for errors in data entry
To increase data size
To speed up data transmission
To encrypt data
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