VMware Certified Professional on vSphere 5
Question No: 111 – (Topic 3)
Click the Exhibit button.
What does the graph in the exhibit indicate?
The average amount of read and write latency from the ESXihost to the SAN.
The average amount of read and write latency from the guest operating system to the virtual machine virtual disk file.
The average amount of read and write latency from the ESXi host to the datastore.
The average amount of read and write latency from the cluster to the datastore.
Question No: 112 – (Topic 3)
A request has been made to the SAN administrator to provision a new LUN. A LUN (LUN
6) is created, and the SAN administrator presents the LUN to an ESXi 5.x host, using the storage array SAN management software. The administrator looks at the Storage configuration for the ESXi host, and does not see the new LUN. Other LUNs from thesame storage array are visible.
Which two conditions are most likely to cause the error described? (Choose two.)
The administrator has not performed a Rescan All on the ESXi host.
The multipathing policy has been set to Fixed for the LUN.
Zoningon the Fibre Channel switches is not configured correctly.
The LUN was not presented to the correct ESXi host.
Answer: A,D Explanation:
The cause of the error is that the administrator didn’t perform a rescan all of ESXi host. Whenever a new LUN is provisioned, a manual rescan all has to be performed to enable ESXi to discover new LUNs. The second possibility is that the new LUN was not presented to the ESXi host that was intended by the administrator.
Question No: 113 – (Topic 3)
When comparing software iSCSIinitiators with independent hardware initiators, what are the additional CHAP security levels available for a software implementation? (Choose two.)
Do not use CHAP unless required by target
Use CHAP unless prohibited by target
Do notuse CHAP
Question No: 114 – (Topic 3)
The storage administrator is preparing an action plan to upgrade a Fibre Channel storage array.
The current plan will result in extended downtime for a VMFS LUN that is part of a SDRS cluster.
What steps can be taken in a vSphere 5.x environment to minimize the impact of the downtime? (Choose two.)
Ensure there are multiple active paths to the LUN
Ensure DRS is configured properly
Use Storage vMotion to migrate the affected VMDKs
Place the datastore into maintenance mode
Which two types of information can be obtained about a VMFS datastore using the Summary tab for a connected host in the vSphere Client? (Choose two.)
Multipathing status for the datastore
Hardware Acceleration status
Alarm Actions statusfor the datastore
Runtime name of the datastore
Answer. B, C
Reference:http://pubs.vmware.com/vsphere-4-esxi-installable- vcenter/index.jsp?topic=/com.vmware.vsphere.esxi_server_config.doc_41/esx_server_conf ig/introduction_to_storage/c_displaying_datastores.html
Question No: 115 – (Topic 3)
An administrator is configuring an ESXi 5.x host with two dual-port Fibre Channel (FC) HBAs. The FC storage array has four active storage processor ports. Zoning is configured on both fabrics, with ESXi HBA ports and the array ports in the same zone. There are two LUNs with VMFS datastores configured.
Using Round Robin multipathing, what is the maximum number of paths that can be used to send data to the VMFS datastores at any given time?
Answer: A Explanation:
Multi-pathing is set on the HBA level and there are 2 HBAs. Therefore they will alternate on each HBA.
Question No: 116 – (Topic 3)
Which three features can be used in combination with network-attached storage (NAS)? (Choose three.)
Datastores up to 64TB
Storage I/O control
VMware Storage DRS
Answer: A,D,E Explanation:
In vSphere, you can use NAS with datastores up to 64 TB in capacity, storage I/O control and Storage DRS. NAS supports all three of these.
Question No: 117 – (Topic 3)
Which three files are valid virtual machine files that might be identified when examining a folder that contains a virtual machine template on a VMFS datastore? (Choose three.)
RDM map file (-rdm.vmdk)
BIOS settings file (.bios)
Template file (.vmtx)
Lock file (.lck)
Suspended state file (.vmsn)
Answer: A,C,E Explanation:
RDM map file, template file and suspended state file are virtual machine files that reside in a folder named after that virtual machine. The template file is related to virtualmachines configurations and the suspended state file is related to configuration that suspends virtual machines. RDM is a mapping file in a separate VMFS volume that acts as a proxy for a raw physical storage device. The RDM allows a virtual machine to directly access and use the storage device. The RDM contains metadata for managing and redirecting disk access to the physical device.
The file gives you some of the advantages of direct access to a physical device while keeping some advantages of a virtual disk in VMFS. As a result, it merges VMFS manageability with raw device access.
RDMs can be described in terms such as mapping a raw device into a datastore, mapping a system LUN, or mapping a disk file to a physical disk volume. All these terms refer to RDMs.
Question No: 118 – (Topic 3)
An administrator plans to deploy ESXi 5.x on a blade server containing no local disks. What boot options are supported for use in place of local disks? (Choose three.)
An SD card
A NIC with iBFT
A serverwith IPMI or iLO
A dedicated NFS share
Reference:http://www.vmware.com/files/pdf/techpaper/vSphere-5-ESXi-Operations- Guide.pdf(page8, 4th para)
Question No: 119 – (Topic 3)
Which two storage adapters require no VMkernel ports? (Choose two.)
Independent Hardware iSCSI Adapter
iSCSI Software Adapter
Dependent iSCSI Adapter
Fibre Channel HBA
Answer: A,D Explanation:
Independenthardware iSCSI adapter and Fibre Channel HBA don’t need VMkernel ports. Independent hardware iSCSI adapter implements its own networking and management interfaces. All configuration such as IP management, MAC addressing and other parameters are completelyseparate from VMware.
Question No: 120 – (Topic 3)
When a virtual machine interacts with persistent thick virtual disks stored on a traditional Fibre Channel storage array, which two actions are always taken by the VMkernel? (Choose two.)
The file correspondingto the virtual machine is located on the VMFS datastore using NPIV.
Correlate the blocks requested by the virtual machine with the actual blocks on the
Send the I/O request through the device driver to the physical HBA or software FCoE adapter.
Place an atomic lock on the metadata database for the VMFS volume.
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