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Encryption
Test Description: Match the vocabulary/questions to the correct answers
Instructions: Answer all questions to get your test result.
1) Encrypt
A
a problem that cannot be solved in a reasonable amount of time
B
use an algorithm to encode a message
C
The key length is variable and potentially very long
D
use an algorithm to decode a message
2) Decrypt
A
use an algorithm to decode a message
B
The key length is variable and potentially very long
C
use an algorithm to encode a message
D
a problem that cannot be solved in a reasonable amount of time
3) SSL certificate
A
a math problem that is hard
B
a digital certificate that authenticates a website's identity and enables an encrypted connection
C
encryption that shifts the alphabet differently per character
D
The key is always secret to both the sender and receiver of the message.
4) Which of the following is a way the world wide web keeps data safer
A
it allows users to be anonymous
B
it issues certificates to valid websites
C
it has borders to check data
D
it scans the 1s and 0s to make sure they are transmitting safe data
5) Computationally Hard
A
The key length is variable and potentially very long
B
a math problem that is hard
C
a problem that cannot be solved in a reasonable amount of time
D
The key is always secret to both the sender and receiver of the message.
6) Why is the Vigenere cipher hard to crack?
A
a problem that cannot be solved in a reasonable amount of time
B
encryption that shifts the alphabet differently per character
C
The key length is variable and potentially very long
D
The key is always secret to both the sender and receiver of the message.
7) How does asymmetric encryption work on the internet?
A
An encryption scheme where the sender and receiver use the same shared key for encrypting and decrypting data.
B
a problem that cannot be solved in a reasonable amount of time
C
The recipient and sender share the same key
D
The recipient's public key is used to encrypt the data; the recipient's private key is used to decrypt the data.
8) If you made a message with a Vigenere cipher and made the keyword banana what is it called when you give that word to a friend with the message?
A
decoding
B
asymmetrical encyrption
C
encoding
D
key sharing
9) If you use a Vigenere cipher to change the message meet at three to ovci tb bjict this is called
A
decryption
B
asymmetrical encyrption
C
encryption
D
key sharing
10) What is one thing people do to keep data safer on the world wide web?
A
asymmetrical encyrption
B
key sharing
C
encoding information
D
using multi step authentication
11) The encryption key that is only known to the receiver
A
public key
B
encryption
C
decryption
D
private key
12) The encryption key that is generated and then shared between the sender and receiver
A
private key
B
encryption
C
decryption
D
public key
13) What is a way the world wide web keeps data safer
A
it has anti virus software built in
B
it scans all data with anti virus software
C
it uses public and private keys to encode/decode data
D
it is hard to access
14) What is a way the world wide web keeps data safer
A
it makes all users do a retinal scan before they can access the internet
B
none of these options
C
it encrypts data that is sent through https
D
it has checkpoints at the borders to make sure noone is using malicious software
15) What is a way the world wide web keeps data safer
A
it uses SSL certification to validate that a website is what it says it is
B
it makes all users input their fingerprints so they can be easily tracked
C
it uses an alien language that no human can understand
D
it is so expensive that only a few people in the world can access it
*select an answer for all questions
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