The earlier box did not give break up on question types.

                    
   -----------------------------------------------------------                  
  |                                                           | 
  | The distribution of the questions (P - Problem,           | 
  | S - short-answer-question is roughly as follows:          |
  |                                                           |
  | datalink layer - 4P questions (marks 11)                  |
  |                                                           |
  | mac layer -  1P+7S questions (marks 21)                   |
  |                                                           |
  | network/transport layer - 7P+12S questions (marks 60)     |
  |                                                           |
  | general -  3P questions (marks 17)                        |
  |                                                           |
   ------------------------------------------------------------