29th
Mar

# Cryptography MCQ

• 29th Mar, 2022
• 1000 Followers

## Cryptography MCQ

Following are mostly asked Cryptography MCQ test that are designed for professionals like you to crack you interviews. You can take this Cryptography online test before appearing to you real interview. This Cryptography quiz there are around 30+ multiple choice questions on Cryptography with four options.

### 1) What is Cryptography?

• A. Study Communications
• B. Secure Communications
• C. Both A and B
• D. None Of Above

### 2) Types of cryptography are

• A. Symmetric key Cryptography
• B. Asymmetric key Cryptography
• C. Public key Cryptography
• D. All of the Above

### 3) What are the main types of cryptographic algorithms?

• A. Hash functions
• B. Symmetric-key algorithms
• C. Asymmetric-key algorithms
• D. All of the Above

### 4) Who started cryptography?

• A. Spartans
• B. Julius Caesar
• C. Khnumhotep
• D. All of the Above

• A. 1 Key
• B. 2 Key
• C. 3 Key
• D. 4 Key

• A. Change
• B. Idle
• C. Attacks
• D. Todefend

### 7) DES stands for _____

• A. Data Encryption Slots
• B. Data Encryption Solutions
• C. Data Encryption Standard
• D. Data Encryption Subscription

### 8) The heart of Data Encryption Standard is

• A. Cipher
• B. Rounds
• C. Encryption
• D. DES function

### 9) In asymmetric key cryptography, the private key is kept by ______

• A. Sender
• C. Sender and Receiver
• D. None Of Above

### 10) In asymmetric key cryptography, the private key is kept by ______

• A. Sender
• C. Sender and Receiver
• D. None Of Above

• A. IBM
• B. Sony
• C. HP
• D. Intel

### 12) Cryptography, a word with Greek origins, means

• A. open writing
• B. secret writing
• C. closed writing
• D. corrupting data

### 13) ECB stands for ______

• A. Electronic Control Book
• B. Electronic Code Book
• C. Electronic Cipher Book
• D. Electronic Cryptography Book

### 14) The keys used in cryptography are

• A. public key
• B. secret key
• C. private key
• D. All of the Above

### 15) RSA stands for

• A. Roger, Shamir, Adrian
• B. Rivest, Shaw, Adleman
• C. Rivest, Shamir, Adleman
• D. Robert, Shamir, Anthoney

### 16) Which one is not a RC5 operation?

• A. RC5 block cipher
• B. RC5-Cipher Padding
• C. RC5-CipherText Stealing
• D. RC5-Cipher Block Chaining

### 17) OSI model is ______

• A. Open System internet
• B. Open Software internet
• C. Open System interconnections
• D. Open Software interconnections

### 18) Full Form of MALWARE is _______

• A. Multipurpose Software
• B. Malicious Software
• C. Malfunctioned Software
• D. None Of Above

### 19) Stuxnet is a ______

• A. Virus
• B. Trojan
• C. Worm
• D. Antivirus

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