Quiz on Cryptography

What syllables produce the word cryptography in Greek?

• Crypto and Graph

• Crypto and Graphein

• Kriptos and Graphein

• Cryptography

What is the main purpose of cryptography?

• The main purpose of cryptography is to protect information from being intercepted or exposed to others.

• The main purpose of cryptography is to obscure existing information.

• The main purpose of cryptography is to save valuable information.

• The main purpose of cryptography is to protect only important information.

Choose three importance of cryptographic data security services.

• Confidentiality

• Non-repudiation

• Protection

• Authentication

Who performs the decryption process?

• User

• Receiver

• Writer

• Sender

What is the process that transforms plaintext into ciphertext?

• Decryption

• Processing

• Encryption

• Conversion

Based on the information, what type of cipher is it?

• Symmetric Key Cipher

• Asymmetric Key Cipher

• Previous Cipher

• Modern Cipher

Which of the following is a method of Reverse Cipher?

• Columnar Transposition

• Number Reversal

• Reverse Column

• Alphabet Reversal

What is the cipher method?

• Caesar Cipher

• Pigpen Cipher

• Columnar Transposition

• Rail Fence Cipher

Using the Pigpen Cipher method, what letter is represented by the symbol below?

• N

• H

• E

• W

According to the Columnar Transposition method, what determines the number of columns in the table?

• Number of letters divided by the number of letters in the word

• Number of letters in the word

• Number of rows

• Number of letters in the key