Select one of the following attributes of a switch which is true.
A
It is the main mechanism to keep the network running.
B
It forwards incoming packet to all devices.
C
It is more intellingent than a router.
D
It is more intellingent than a hub.
Correct Answer: It is more intellingent than a hub.
ধরি, নৌকার বেগ x km/hr স্রোতের বেগ y km/hr ∴ x + y = 8 x - y = 2 [ - করে] 2y = 6 ∴ y = 3