parameters and design features of symmetric block cipher such as: O d. Modes of operation. O b. electronic codebook. O c. brute-force approach. O d. Subkey generation algorithm. using Feistel Cipher Structure to find out the ciphertext based on following details: plaintext: 0011010 kl= 0111 k2= 1001 function= OR number of rounds=2 the ciphertext= o a.01001001 o bother c. 10000011 domo What will be the value of x[1] after the following code has been executed? int[] x = new int[3]; int y = 1; for(int i=0; i