The assignment was marked out of 12.  All questions were marked.  Marks were assigned for each question as follows:

Q. 1: 1 mark for the right answer

Q. 2: 1 mark for mentioning a clock

Q. 3: 1 mark for IEEE and 1 mark for ITU

Q. 4: 8 marks: 1 each for source/destination address, 1 for each OUI, 1 for type/length vaue, 1 for type/length type (type), 1 for first byte of MSDU, 1 for length