Manage VMware ESXi Hosts to Access VMware Datastore Storage Resources UNITY-OPERATE Practice Questions (Page 4)

Questions 16–20

1. 16application · medium

   A company wants to use NFS datastores on a Dell Unity system for a VMware cluster. The administrator has created a file system and needs to export it via NFS. What additional configuration is required on the Unity system before the ESXi hosts can mount the NFS export?

   • ACreate a storage group and add the ESXi host initiators to it.
   • BFormat the file system as VMFS before exporting it.
   • CCreate an NFS export and specify the ESXi host IP addresses or subnets allowed to access it.
   • DEnable VAAI on the file system to support NFS hardware acceleration.
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2. 17expert · hard

   An ESXi host has two Fibre Channel paths to a Dell Unity system. One path is down, and the administrator is troubleshooting. The Unity Unisphere GUI shows that the host's initiator is logged in on both SPs. What is the most likely cause of the single path failure?

   • AThe LUN has been removed from the storage group.
   • BThe ESXi host's HBA driver is not installed correctly.
   • CThe storage processor that owns the failed path has failed.
   • DThe Fibre Channel switch port connected to the failed path is faulty or the cable is damaged.
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4. 18expert · hard

   A company has a Dell Unity system with an ESXi host running a high-I/O workload. The administrator has configured Round Robin multipathing and Jumbo Frames. Performance is still below expectations. What should the administrator check next?

   • AThe ESXi host's CPU settings.
   • BThe number of LUNs in the storage group.
   • CThe queue depth on the ESXi host's HBA or iSCSI adapter.
   • DThe Unity system's cache settings.
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5. 19foundation · easy

   When creating an NFS datastore on an ESXi host, which information is required?

   • AThe NFS server IP address and the export path
   • BThe iSCSI target IQN and the CHAP secret
   • CThe LUN WWPN and the storage group name
   • DThe Fibre Channel zone ID and the HBA WWPN
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6. 20application · medium

   An administrator has configured Round Robin multipathing on an ESXi host for a Dell Unity LUN. The administrator wants to verify that both Fibre Channel paths are being used. What should the administrator check?

   • AThe Fibre Channel switch's port statistics to see if both ports are passing traffic.
   • BThe Unity Unisphere GUI to see the I/O statistics for each path.
   • CThe vSphere Web Client's storage device path properties to see the path selection policy and active paths.
   • DThe ESXi host's /var/log/vmkernel.log for multipathing errors.
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