You are designing a Symmetrix VMAX Virtual Provisioning solution for a VMware vSphere environment. Storage allocation must be guaranteed for some mission critical virtual machines.
Which format should be recommended when creating virtual disks for these mission critical virtual machines?
A. eagerzeroedthick
B. zeroedthick
C. thin
D. 2gbsparse
A customer is implementing a Microsoft Exchange environment on a Symmetrix VMAX. The environment will be deployed on 600 GB FC 15K drives using RAID 1 data protection. The application generates 1350 I/ O per second and has a 2:1 read/write ratio.
What is the minimum number of drives recommended to support the application?
A. 8
B. 12
C. 16
D. 30
You need to model several SRDF/A workloads that require data consistency across all the sessions. How would you model the multiple SRDF/A sessions?
A. In BCSD, link them by creating a Composite Group
B. In SymmMerge, link them by creating a Composite Group
C. In BCSD, link them by creating a Logical Relationship
D. In SymmMerge, link them by creating a Logical Relationship
A company plans to deploy Symmetrix VMAX arrays in their VMware vSphere environment. The ESXi hosts will be connected to the VMAX arrays over a FC SAN.
Which VMAX FA port flag must be enabled?
A. SPC-2
B. VCM State
C. SCSI Support
D. Volume Set Addressing
When designing SRDF/A, what is the recommended configuration for the DSE pool?
A. RAID 1 devices spread out over many disks
B. RAID 1 devices on dedicated disks
C. RAID 5 devices spread out over few disks
D. RAID 6 devices on dedicated disks
What is the Write Load Adjustment Factor recommended by Performance Engineering when modeling an SRDF/A solution with BCSD?
A. 1.5
B. 2
C. 3
D. None
What determines the maximum cache requirements when modeling an SRDF/A Delta Set Extension configuration?
A. Transmit Idle time for the peak workload
B. Peak Cycle time for the peak workload
C. Sum of the data changed for N and N+1 cycles without modification
D. Sum of the data changed for N and N+1 cycles, modified by the Write Load Adjustment factor
What is supported for the second leg (R21 to R2) of an SRDF Extended Distance Protection (EDP) configuration?
A. Adaptive Copy Write Pending Mode
B. Adaptive Copy Disk Mode
C. SRDF/Synchronous
D. SRDF Data Mobility
What is a result of designing SRDF/A with inadequate bandwidth?
A. Elongated cycle time
B. Lower minimum cycle time
C. Elongated RTO
D. Lower cache requirement
What is the main benefit of SRDF/A Delta Set Extension?
A. Augments cache-based Delta Sets with disk-based buffering
B. Extends changed blocks into cache for faster resyncs
C. Extends SRFD/A to geo distances by moving data at a more granular level
D. Extends cache-based Delta Set buffering to the local cache of the host
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