Question 4 (a) Apply the suitable multimedia streaming to the following scenarios. Justify your answers. (i) The network has very wide bandwidth. (2 marks) (ii) The network has reasonably wide bandwidth. (2 marks) (iii) The network has narrow bandwidth. (2 marks) (b) An agent uses an audio sequence of "100969391949597100102102105 10410199102104104107106103101 " to encrypt a message that sends to his son. The message is known to consist of only ' D ', ' a ', ' d ', ' m ', ' o ', ' i ', ' s ' and ' ' (or space) characters. Answer the following THREE (3) questions. (i) Recommend a suitable coding technique for the audio sequence. ( 2 marks) (ii) Recommend a suitable set of Huffman codewords to encode the symbols. The codeword set should use ' D ', ' a ', ' d ', 'm', ' o ', ' i ', ' s ' and '' to represent the symbols. (14 marks) (iii) Determine the message sends to his son. Hint: reshuffle the symbols