WorksheetsIT Security Midterm Quiz
Total questions: 15
Worksheet time: 35mins
Which of the following refers to the process of converting a ciphertext back to its original form?
Algorithm
Cryptology
Decryption
Encryption
Cryptography originally comes from the Greek words kryptos and graphein. If graphein means "to write", what does kryptos mean?
changed
coded
hidden
transmitted
Which of the following refers to the programmatic steps used to convert an unencrypted message into an encrypted sequence of bits that represent the message?
Algorithm
Cryptanalysis
Encryption
Decryption
(True or False) The algorithm doesn't need to be kept secret, but the key does.
True
False
None of the above
Which of the following is referred to as the science of encryption?
Cryptography
Cryptanalysis
Cryptology
Cryptocism
In encryption, which of the following refers to as a string of numbers or characters?
Cipher
Cleartext
Cryptogram
Key
Complete the analogy below:
Plaintext : Cleartext
Ciphertext : __________
Cipher
Cryptogram
Hidden Text
Unreadable Text
Which of the following is the other name for Caesar Cipher?
Freemason's Cipher
Julius Cipher
Shift Cipher
Simple Substitution Cipher
What does PKI stand for?
Primary Key Infrastructure
Private Key Infrastructure
Public Key Infrastructure
Positive Key Infrastructure
Which of the following key refers to a value provided by a designated authority as an encryption key?
Primary Key
Private Key
Public Key
Positive Key
Using the Caesar Cipher with shift 4, find the encrypted word of the plaintext:
technology
wigyvmxc
xiglrmgmer
xiglrspskc
xiglrmuyi
Using the Caesar Cipher with shift 7, find the encrypted word of the plaintext:
trojan
ayvqhu
qvykhu
ayvbwl
haahjr
Using the Caesar Cipher with shift 5, find the plaintext of the of the ciphertext:
xjhzwnyd
cipher
encrypt
secured
security
Using the Pigpen Cipher find the plaintext of the image above.
cryptology
cryptogram
encryption
decryption
Using the Pigpen Cipher find the plaintext of the image above.
Academy
Academe
Amazing
Answer
