Section 3 – Configure ESX/ESXi Storage
- Objective 3.4 – Configure and Manage VMFS Datastores
QUESTION 33
What is the maximum Raw Device Mapping (RDM) Size Supported on VMware vSphere 4 Host?
A.2TB Minus 512B
B.2TB
C.512GB
D.1TB
Answer: A
Explanation:
Storage Maximums
Raw device mapping (RDM) size 2TB minus 512B
QUESTION 34
What is the size of the esxconsole.vmdk?
A.1200MB
B.800MB
C.1000MB
D.2400MB
E.None of the other alternatives are correct.
Answer: A
Explanation:
ESX and vCenter Server Installation Guide ESX 4.0, vCenter Server 4.0, page 62.
ESX Required Partitions
Mount Point Type Size
Not applicable VMFS3 esxconsole.vmdk: 1200MB
QUESTION 35
The ESX 4.x Service Console Virtual Disk can be located on (Choose Two):
A.an NFS datastore
B.a VMFS datastore on locally attached storage
C.a VMFS datastore on software iSCSI attached storage
D.a VMFS datastore on non-shared FC attached storage
Answer: BD
Explanation:
vSphere Upgrade Guide, ESX 4.0, ESXi 4.0, vCenter Server 4.0, vSphere Client 4.0, page 69.
After the upgrade to ESX 4.0, the service console’s partitions are stored in a .vmdk fileAll .vmdk files, including the esxconsole.vmdk, are stored in VMFS volumes.
ESX and vCenter Server Installation Guide ESX 4.0, vCenter Server 4.0, page 62.
Table 7-1. ESX Required Partitions
Mount Point Type Size Location
Not applicable VMFS3 esxconsole.vmdk: 1200MB *
* The service console must be installed on a VMFS datastore that is resident on a host’s local disk or on a SAN disk that is masked and zoned to that particular host only.
QUESTION 36
Swap, var/log and all the other optional partitions are stored where?
A.In a Virtual disk called esxconsole-/esxconsole.vmdk
B.On a Physical disk called esxconsole-/esxconsole.vmdk
C.Physical disk
D.Virtual disk
E.In a virtual disk called esxconsole-<system-uuid>/esxconsole.vmdk
Answer: E
Explanation:
vSphere Upgrade Guide, ESX 4.0, ESXi 4.0, vCenter Server 4.0, vSphere Client 4.0, page 69.
After the upgrade to ESX 4.0, the service console’s partitions are stored in a .vmdk file.
These partitions include /, swap, and all the optional partitions. The name of this file is esxconsole-<system-uuid>/esxconsole.vmdk.
QUESTION 37
What is the Maximum VMFS Volume Size?
A.64TB minus 16K
B.64TB
C.2TB
D.2TB minus 512B
Answer: A
Explanation:
Configuration Maximums VMware® vSphere 4.0 and vSphere 4.0 Update 1, page 3.
Table 2. Storage Maximums
Volume size 64TB minus 16K
QUESTION 38
An Administrator has determined that storage performance to a group of virtual machines is reduced during peak activity. The virtual machines are all located in a VMFS datastore called Production1.
Which of the following actions could be taken to improve the storage performance of these virtual machines?
A.Add additional physical storage, expand the underlying volume, then grow the VMFS datastore into
The new space
B.Change the storage multipathing policy to Most Recently Used (MRU)
C.Add additional physical storage and add an extent to the VMFS datastore called Production1
D.Add additional physical storage, create a new VMFS datastore called Production2 on the new storage, then migrate a portion of the virtual machines from Production1 to Production2
Answer: D
Explanation:
Since the question does not refer to lack of storage, adding storage to the existing datastore is unlikely to help, so neither A nor C are likely to improve performance.
Change the storage multipathing policy to Most Recently Used (MRU) will achieve little, since the Most Recently Used path is likely to be the path used anyway.
Storage performance refers to how to how efficiently, (typically how quickly), storage operates. By adding a new datastore, and migrate a portion of the virtual machines from Production1 to Production2 is likely to reduce the load on the original datastore, and hence improve responsiveness, and hence performance.
QUESTION 39
When planning storage for a Virtual Infrastructure, an administrator chooses a 4MB block size for the VMFS datastore. What is the largest virtual disk that can be created on this datastore?
A.256GB minus 512B
B.1TB minus 512B
C.2TB minus 512B
D.512GB minus 512B
Answer: B
Explanation:
Block Size Largest virtual disk on VMFS-2 Largest virtual disk on VMFS-3
1MB 456GB 256GB
2MB 912GB 512GB
4MB 1.78TB 1TB
QUESTION 40
A virtual machine has been configured with N-Port ID Virtualization. The Guest OS virtual disk is placed in a RAID5 datastore, while the Production virtual disk is placed in a RAID1+0 datastore. Why would an administrator consider placing both disks on the same datastore (Choose Two)?
A.VMotion can be used with NPIV enabled virtual machines, but not with disks in multiple datastores
B.Storage VMotion can be used with NPIV enabled virtual machines, but not with disks in multiple datastores
C.Storage VMotion cannot be used on a virtual machine with NPIV enabled
D.VMotion cannot be used on a virtual machine with NPIV enabled
Answer: AC
