You need to troubleshoot an issue involving an ESXi host and its connection to a distributed virtual switch. You need to use the ESXi Shell to identify the ID and the MTU settings of the distributed virtual switch
VDCA510 Objective: 2.4 Administer vNetwork Distributed Switch Settings
VDCA550 Objective: 2.3 Troubleshoot Virtual Switch Solutions
esxcli network vswitch dvs vmware list