2nd year of higher nitec is comin...

After my March exam will be my 2nd year of higher nitec 4 e 2nd year i must choose wat specialization 2 take they r wireless, computer networking n multimedia. First thing wireless i study b4 n i heard is good n no exam but 4 others a least got one. While e computer networking got things i learn like C programming but this time is more advance type n quite challenging. Multlimedia use alot of computer e.g. animation, flash n many other but my batch is e last batch 2 take if fail must take another one. So i been thinkin whether i want 2 take computer networking or multimedia but got 3 option 2 choose cannot repeat same thing. Which will i choose? Help Me?????