Parameter that is normally achieved through a trailer added to end of frame is ___________(a) Access Control(b) Flow Control(c) Error Control(d) Physical addressingI got this question in semester exam.This intriguing question originated from TCP over Wireless in portion Network Protocol of Wireless/Mobile

Parameter that is normally achieved through a trailer added to end of

1.	Parameter that is normally achieved through a trailer added to end of frame is ___________(a) Access Control(b) Flow Control(c) Error Control(d) Physical addressingI got this question in semester exam.This intriguing question originated from TCP over Wireless in portion Network Protocol of Wireless/Mobile
Answer» Right choice is (c) Error Control Explanation: The DATA link layer ADDS reliability to the physical layer by adding mechanisms to detect and retransmit damaged or lost FRAMES. It also uses a mechanism to recognize duplicate frames. Error control is NORMALLY achieved through a TRAILER added to the end of the frame.

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