Can somebody please help me to solve the difficult questions below..

1.How can you illustrate the following sequence 1/2[X(z)+X*(z*)]. Give an assumption.

2.Solve and illustrate your finding in the signal x(n)=(n-n₀).

3.Is it true that the round constant depends on the s-box values?

4.The operation through which the mix row functions operate on the 8 x 8 matrix (A) to form the new matrix is considered to be represented by B = AC. What then forms the matrix C?

5.In the question above, determine what the last address of the network would be.

6.Given that an organization which needs 4 subnetworks each possessing an equal no. of hosts has been granted the block 130.34.12.64/26, determine the no. of addresses to each of the subnetworks.

7.Describe with reference to the key generation procedure, the representation of the encryption key which is from the server to the client.

8.Determine the truth value in the fact that wired networks are far more susceptible to eavesdropping & jamming as compared to the wireless networks.

9.Given that N denotes the total population while n denotes sample with replacements, determine all the possible samples.

10. Determine in a sample the sampling distribution mean given that the mean of the total population is 29.