Question 1 4 Marks The Maximum Transmission Units (MTUs) range from 296 to 65,535 based on specific protocol used by the system. (a) Write three advantages of having a large MTU? (3 marks) (b) What would be an advantage of having a small MTU? (1 marks) Question 2 4 Marks The first 10 bytes of an IP packet received at the destination in hexadecimal notation is shown below: 45 0 12 60 00 01 00 00 2D 06 (a) How many bytes of data are being carried by this packet? (2 marks) (b) What is the higher-level protocol? (2 marks) Question 3 2 Marks Compare and contrast CSMA/CD with CSMA/CA. PART B 20 MARKS COMPULSORY QUESTIONS Answer ALL questions from this part. Answer the following numerical computation questions. Question 1 6 Marks A company has been granted a block of addresses which starts at 210.120.XY.0/24, where XY is the last 2 digits of your student ID. Create the following 6 subnets for this company: (a) 2 subnets with 64 addresses (b) 2 subnets with 32 addresses (c) 2 subnets with 16 addresses