A vSphere Administrator observes that no devices are showing up under an iSCSI Storage Adapter.
Which three are valid troubleshooting methods? (Choose three.)
A. Log in to the ESXi Shell, run the vmkping target_ip command to verify that the VMkernel interface on the host can ping the iSCSI targets
B. Use the nc z target_ip 3260 command to verify that the ESXi host can reach the iSCSI TCP port (default 3260) on the storage array
C. Verify that the MTU size is lower than 9,000 bytes
D. Verify that the CHAP authentication settings are correct
E. If Jumbo Frames are required, verify that packet fragmentation is allowed