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23 Cards in this Set
- Front
- Back
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In VMware ESX 4, when using and iSCSI SAN, what does the following mean?
vmhba1:C0:T2:L3:S1 |
The hardware vmhba adapter ID of 1
The Storage Channel number is 0 The Storage Processor Target ID is 2 The LUN number is 3 The Partition number is 1 |
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In VMware ESX, where can virtual machine files be stored?
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VMFS
NFS Datastore. |
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What is the default protocol and port for iSCSI?
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iSCSI uses TCP port 3260 by default.
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Which block size allows for creation of the maximum sized VMFS volume on a fibre channel or iSCSI LUN?
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8 MB
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To create a SQL Server VM with a 1.5 TB hard drive (.vmdk) on a fibre channel LUN what block size should be set for the VMFS volume?
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8 MB
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How can you give a virtual machine direct access to a VMFS volume on a SAN LUN?
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Raw Device Mapping.
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By default can a Virtual Machine access a Fibre Channel LUN directly?
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No.
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How many LUNs can a VMware ESX 4 host recognize during install?
How man LUNs can be recognized during boot up? |
128
256 |
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You create a new LUN on your fibre channel SAN for your VMware ESX server. If you do not see the LUN. Which two things can you do to make this LUN available to your host?
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Click the Rescan button in the Storage Adapters Screen
At the command line, type esxcfg-rescan |
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What types of shared storage can an ESX 4 host boot from?
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Fibre Channel SAN
iSCSI SAN using an iSCSI Hardware HBA Not an NFS share |
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What protocol provides authentication with the iSCSI SAN for your VMware ESX 4 hosts to add a layer of security to all iSCSI connections over the SAN network?
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CHAP authentication
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What are the differences in iSCSI implementation between ESX 3.5 and ESX 4?
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In VMware ESX 3.5, both the Service Console and the VMkernel Port must have access to the iSCSI SAN, however in ESX 4 only the VMkernel Port needs access to the iSCSI SAN.
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In VMware ESX 4, which two ways can you enable the iSCSI Protocol (3260) access through the Service Console firewall?
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esxcfg-firewall -e swISCSIClient
Check the box for Software iSCSI Client in the Firewall Properties box |
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Name the only two types of shared storage that can be formatted as VMFS volumes in VMware ESX
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iSCSI LUNs or Fibre Channel LUNs.
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How can you provide more space to a VMFS datastore without moving data somewhere else in ESX 4?
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Extend your VMware VMFS datastore to another empty LUN In VMware ESX 4.
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Describe how MRU multipathing works on a fibre channel SAN.
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With Most Recently Used (MRU) Multipathing and your Fibre Channel SAN, if a Storage Processor fails on the SAN and then comes back up after failover occurs, the host continues to use the new path even though the original one is available.
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Can Virtual machines be stored on an NFS volume?
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Yes
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What must be created to add an NFS datastore to your VMware ESX 4 host?
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Create a VMkernel Port
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What protocol must be supported on Windows or Linux NFS share to allow access by an ESX 4 host?
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NFS3 over TCP
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A Raw Device Mapping should be used in which situations?
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When you are doing a Physical to Virtual Microsoft Cluster using Microsoft Cluster Services (MSCS)
When a virtual machine needs direct access to a SAN LUN When you want to use native SAN tools When you want to use SAN snapshots |
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What types of storage can a virtual machine boot from in VMware ESX?
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Fibre Channel LUN
iSCSI LUN NAS share Raw Device Map (RDM) LUN local storage |
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True or False:
VMware ESXi and ESX 3.5 and 4 support 10 GigE for use with iSCSI SANs |
True
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True or false:
ESX 4 Enterprise Plus edition allows the use of Third party storage multipathing |
True
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