Match the following functionality with its corresponding layer:
A. Routing
B. end to end process communication
C. Bit Synchronization
I. Physical layer
II. Data link layer
III. Network layer
IV. Transport layer
1
A → III B → IV C → I
2
A → III B → IV C → II
3
A → II B → IV C → 1
4
A → I B → III C → II