Encryption Question Preview (ID: 53264)


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The encryption key that is generated and then shared between the sender and receiver
a) public key
b) private key
c) encryption
d) decryption

The encryption key that is only known to the receiver
a) private key
b) public key
c) encryption
d) decryption

What is one thing people do to keep data safer on the world wide web?
a) using multi step authentication
b) asymmetrical encyrption
c) key sharing
d) encoding information

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) key sharing
b) asymmetrical encyrption
c) encoding
d) decoding

If you use a Vigenere cipher to change the message meet at three to ovci tb bjict this is called
a) encryption
b) key sharing
c) asymmetrical encyrption
d) decryption

How does asymmetric encryption work on the internet?
a) The recipient's public key is used to encrypt the data; the recipient's private key is used to decrypt the data.
b) The recipient and sender share the same key
c) a problem that cannot be solved in a reasonable amount of time
d) An encryption scheme where the sender and receiver use the same shared key for encrypting and decrypting data.

Why is the Vigenere cipher hard to crack?
a) The key is always secret to both the sender and receiver of the message.
b) a problem that cannot be solved in a reasonable amount of time
c) The key length is variable and potentially very long
d) encryption that shifts the alphabet differently per character

Computationally Hard
a) a problem that cannot be solved in a reasonable amount of time
b) The key length is variable and potentially very long
c) a math problem that is hard
d) The key is always secret to both the sender and receiver of the message.

Which of the following is a way the world wide web keeps data safer
a) it has borders to check data
b) it issues certificates to valid websites
c) it scans the 1s and 0s to make sure they are transmitting safe data
d) it allows users to be anonymous

SSL certificate
a) a digital certificate that authenticates a website's identity and enables an encrypted connection
b) encryption that shifts the alphabet differently per character
c) a math problem that is hard
d) The key is always secret to both the sender and receiver of the message.

Decrypt
a) use an algorithm to encode a message
b) use an algorithm to decode a message
c) a problem that cannot be solved in a reasonable amount of time
d) The key length is variable and potentially very long

Encrypt
a) use an algorithm to encode a message
b) use an algorithm to decode a message
c) a problem that cannot be solved in a reasonable amount of time
d) The key length is variable and potentially very long

What is a way the world wide web keeps data safer
a) it uses public and private keys to encode/decode data
b) it is hard to access
c) it has anti virus software built in
d) it scans all data with anti virus software

What is a way the world wide web keeps data safer
a) it encrypts data that is sent through https
b) it makes all users do a retinal scan before they can access the internet
c) it has checkpoints at the borders to make sure noone is using malicious software
d) none of these options

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 is so expensive that only a few people in the world can access it
d) it uses an alien language that no human can understand

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