Computer Networking
Eight stations are competing for the use of a shared channel using the 'Adaptive tree Walk Protocol'. If the stations 7 and 8 are suddenly become ready at once, how many bit slots are needed to resolve the contention?

7 slots
10 slots
5 slots
14 slots
None of these

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
A WATS arrangement

is never less expensive than flat-rate service
is less expensive than flat-rate service only when the number of calls is small and the duration of each is long
is less expensive than flat-rate service only when the number of calls is large and the duration of each is short
is always less expensive than flat-rate service
None of these

ANSWER DOWNLOAD EXAMIANS APP