Unit 9 · Data Communication and Computer Networks Paper 2 CS · September 2022

Match List I with List II.
Choose the correct answer from the options given below:
List I List II
A. DES I. Key size – 256
B. AES II. Key size – 1024
C. 3DES III. Key size – 56
D. RSA IV. Key size – 168

Pick an option to check yourself, or open the answer below.

Show answer & explanation

Correct answer: B. A-III, B-I, C-IV, D-II

Explanation

DES uses a 56-bit key, AES up to 256, 3DES 168 (3 × 56), and RSA typically 1024 bits or more.