The assignment was marked out of 18.  All questions were marked.

Marks were assigned as follows:

Q1 - 3: 1 for flags, 1 for each stuffed bit

Q2 - 3: 1 for bit rate, 1 for minimum BW, 1 for alpha=1 BW

Q3 - 2: 1 for equations, 1 for filter

Q4: 2: 1 for each gray-coded table

Q5: 1: 1 for right frequency

Q6: 1: 1 for right symbol

Q7: 2: 1 for each ARQ method

Q8: 4: 1 for CRC, 1 for (n,k), 1 for Hamming distance, 1 for remainder