What is the function of the last field in a data link layer frame?
- To determine whether the frame experienced transmission errors
- To identify special flow control services such as quality of service (QoS)
- To identify the beginning and end limits of the frame
- To identify the Layer 3 protocol in the data field
Explanation: The last field in the data link frame is the frame check sequence (FCS) which is used to determine if the frame has experienced transmission errors.
More Questions: 6.3.5 Check Your Understanding – Data Link Frame