Cyber Security Mock Test 10

10%

Question 1 of 10

1. DES stands for ________________

Data Encrypted Standard

Device Encryption Standard

Data Encryption Standard

Data Encryption Security

Question 1 of 10

Question 2 of 10

2. A cryptosystem is also termed as ______________

cipher system

secure system

secure algorithm

cipher-text

Question 2 of 10

Question 3 of 10

3. Conventional cryptography is also known as _____________ or symmetric-key encryption.

primary key

secret-key

protected key

public key

Question 3 of 10

Question 4 of 10

4. There are ___________ major ways of spamming.

Question 4 of 10

Question 5 of 10

5. In _______________ the plain-text is processed 1-bit at a time & a series of actions is carried out on it for generating one bit of cipher-text.

Stream cipher

One-time pad

Vigenere Cipher

Block Cipher

Question 5 of 10

Question 6 of 10

6. ___________ are used which crawl web pages looking for email Ids and copies them to the database.

Bots

Spiders

Caches

Question 6 of 10

Question 7 of 10

7. The main motive for using steganography is that hackers or other users can hide a secret message behind a ______________

special file

program file

ordinary file

encrypted file

Question 7 of 10

Question 8 of 10

8. The method of reverting the encrypted text which is known as cipher text to its original form i.e. plain text is known as ________________

reverse engineering

cryptanalysis

encryption

decryption

Question 8 of 10

Question 9 of 10

9. Which of the following is not a bulk emailing tool?

Direct Sender

Hotmailer

Sendblaster

Wireshark

Question 9 of 10

Question 10 of 10

10. Which of the following is a private search engine?

Yahoo

Bing

Google

Duckduckgo

Question 10 of 10