Specific QoS configurations and policies cannot be created for anyone without a complete understanding of your network. This should be handled by your network architect, as they are familiar with the overall design. However, if you do not have a netw...

Those pieces come together at the stack cables. You could also check the  guide for the hardware installation, but there isn't a section for that specific screw. It might be easier to replace the entire stack cable rather than searching for that indi...