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WorksheetsComputer Security:Encryption
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
What encryption algorithm uses the same key to both encrypt and decrypt messages.
a)
Symmetric
b)
Asymmetric
c)
PKI
d)
Tar
2.
The ciphertext is the.....
a)
Decrypted message
b)
Encrypted message
c)
Same as plaintext
d)
The amount of time it takes to decrypte a message
3.
An algorithm is.....
a)
The encrypted message
b)
The end result of PKI
c)
Someone who practices cryptography
d)
The methodology to achieve encryption
4.
Hiding files within other files is known as....
a)
Steganography
b)
Link Encryption
c)
Work Factor
d)
Ransomware
5.
What is the only non-computer generated encryption known to never be broken during war time?
a)
Caesar Cipher
b)
Transposition Cipher
c)
Navajo Code Talkers
d)
Substitution Cipher
6.
This cipher uses the letter placement in the alphabet with a one time pad string to achieve the encryption.
a)
Transposition Cipher
b)
Vernam Cipher
c)
Substitution Cipher
d)
Running Cipher
7.
This cipher is also known as a movie cipher.
a)
Book Cipher
b)
Story Mode Cipher
c)
Amalgous Material Cipher
d)
Andromeda Cipher
8.
Caeser achieved his cipher by shifting all the letters _____ spaces to the right.
a)
3
b)
1
c)
7
d)
13
9.
Making your key larger makes what else get larger?
a)
The Algorithm
b)
The ciphertext
c)
Work Factor
d)
PKI
10.
What type of cryptography does PKI use?
a)
Symmectric
b)
3DES
c)
AES
d)
Asymmetric
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