When a switch configuration includes a user-defined error threshold on a per-port basis, to which switching method will the switch revert when the error threshold is reached?

When a switch configuration includes a user-defined error threshold on a per-port basis, to which switching method will the switch revert when the error threshold is reached?

• A. Cut-through
• B. Fragment-free
• C. Store-and-forward
• D. Fast-forward

Answer: (C)

When a switch configuration incorporates a user-defined error threshold on a per-port basis, it is designed to manage and mitigate the transmission of frames that may be problematic. Once the defined error threshold is reached, the switch switches to a safer and more reliable mode of operation to ensure network stability and integrity. In this scenario, the store-and-forward method becomes the default mode. Store-and-forward switching is a method where the switch receives the entire frame, checks it for errors using the Frame Check Sequence (FCS), and only then forwards it if no errors are detected. This approach allows the switch to drop frames that contain errors, enhancing the reliability of data transmission across the network. Therefore, reverting to store-and-forward when the error threshold is reached helps to prevent further propagation of erroneous data, ensuring that only valid frames are sent through the network. The alternative methods, such as cut-through, fragment-free, and fast-forward, do not conduct extensive error checking before forwarding frames. These methods are typically quicker, as they begin forwarding frames as soon as the destination address is read (in the case of cut-through) or utilize techniques that may allow for faster processing but do not ensure that frames are error-free before forwarding. Thus, reverting to store-and-forward serves as

When a switch configuration incorporates a user-defined error threshold on a per-port basis, it is designed to manage and mitigate the transmission of frames that may be problematic. Once the defined error threshold is reached, the switch switches to a safer and more reliable mode of operation to ensure network stability and integrity. In this scenario, the store-and-forward method becomes the default mode.

Store-and-forward switching is a method where the switch receives the entire frame, checks it for errors using the Frame Check Sequence (FCS), and only then forwards it if no errors are detected. This approach allows the switch to drop frames that contain errors, enhancing the reliability of data transmission across the network. Therefore, reverting to store-and-forward when the error threshold is reached helps to prevent further propagation of erroneous data, ensuring that only valid frames are sent through the network.

The alternative methods, such as cut-through, fragment-free, and fast-forward, do not conduct extensive error checking before forwarding frames. These methods are typically quicker, as they begin forwarding frames as soon as the destination address is read (in the case of cut-through) or utilize techniques that may allow for faster processing but do not ensure that frames are error-free before forwarding. Thus, reverting to store-and-forward serves as