EMC E20-547 Dumps
Exam: VNX Solutions Specialist for Storage Administrators
EMC E20-547 Exam Tutorial
Question No : 1 - Topic 1
Which Linux kernel supports dynamic LUN scanning?
Question No : 2 - Topic 1
What are features of VNX Snapshots?
A. Uses redirect on first write. Lower write performance impact.
B. Uses copy on first write. Supported with pool-based LUNs.
C. Uses redirect on first write. Supported with all LUN types.
D. Uses copy on first write. Does not require reserve LUN pool.
Question No : 3 - Topic 1
What is the minimum acceptable number of drives in a RAID 5 pool on a VNX array?
Question No : 4 - Topic 1
A storage administrator configured and presented storage pool LUNs to an MSCS cluster.
A few weeks later, the cluster administrator reported the LUNs are too large and smaller
LUNs are needed.
What do you advise?
A. The MSCS Cluster will need to be rebuilt.
B. Use the LUN shrink feature.
C. The VLUN migration feature must be used.
D. Use SANCopy to migrate to smaller LUNs.
Question No : 5 - Topic 1
What is an advantage of the VAAI feature when provisioning an ESXi host from a VNX
A. Some workload can be offloaded from the host to the array freeing up host resources
B. vCenter can directly communicate with the array to discover capabilities and monitor health
C. Hosts automatically register initiators with the array and optimize initiator configuration
D. Array connectivity is automatically load balanced and protected from path failures
Question No : 6 - Topic 1
A SnapView snapshot can have how many snapshots of the source LUN?
Question No : 7 - Topic 1
What is a valid characteristic of striped metaLUNs?
A. must be built from the same RAID types and sizes
B. can mix thick and thin LUNs
C. cannot be expanded once created
D. components have a varying performance profile
Question No : 8 - Topic 1
What is the correct VNX Block – based VAAI operation?
A. Array Accelerated Full Copy
B. Array Accelerated Bulk copy
C. Thick Lun Provisioning
D. Pause and Resume
Question No : 9 - Topic 1
What happens when a reverse synchronization completes without Protected Restore Mode
A. Only the reverse-synchronized clone remains unfractured.
B. Host writes to the source LUN are not mirrored to clone.
C. All clones will be fractured.
D. The gold copy clone used for restore will remain as is.
Question No : 10 - Topic 1
What occurs after data compression of a RAID-group LUN?
A. Source LUN is unbound from the RAID-group.
B. The LUN is defragmented.
C. Freed space is returned to the storage pool.
D. Host I/O is restarted
Question No : 11 - Topic 1
During the installation process of a VNX for Block and File system, you are prompted to
change passwords for the default accounts.
Which user password can be changed?
Question No : 12 - Topic 1
What is the back-end bus speed, per lane, on the VNX series array?
A. 2 Gb
B. 4 Gb
C. 6 Gb
D. 8 Gb
Question No : 13 - Topic 1
After presenting a LUN to a Linux host, which utility is used to configure a partition?
B. Disk Management
C. Unisphere Server Utility
D. Unisphere Service Manager
Question No : 14 - Topic 1
A customer has an application that uses a lot of capacity but has very low performance
requirements. Their new VNX is fully virtually provisioned and uses FAST VP storage
pools. The customer wants to configure the LUNs for this application on low performance
How should the LUNs be initially configured?
A. Using the Lowest Available Tier option.
B. A traditional RAID-group LUN on SATA drives should be used.
C. Using the Optimize for Pool Performance option.
D. A traditional RAID-group LUN on NL-SAS drives should be used.
Question No : 15 - Topic 1
Which RecoverPoint configuration details can be presented in report format when using
Data Protection Advisor?
A. Replication sets
B. Replication lag
C. Link state change
D. RPA configuration changes
Question No : 16 - Topic 1
For all Linux environments, how many Fibre Channel initiator ports are supported on a
Question No : 17 - Topic 1
What will be the status of FAST Cache on the LUNs that were created prior to the
installation of Fast Cache Enabler?
A. FAST Cache will be disabled, but can be enabled manually.
B. FAST Cache will be enabled automatically on the LUNs after the FAST Cache Enabler is installed.
C. FAST Cache cannot be enabled on the LUNs that were created before the installation of FAST Cache Enabler.
D. FAST cache cannot be enabled on the LUN Level but can be enabled at the Storage Pool Level.
Question No : 18 - Topic 1
In a VNX Unified system, how can the lost+found and etc directories be hidden from the
client when exporting a file system?
A. Export the file system at the subdirectory level and not the root file system
B. Use FDISK to mark the partition active prior to exporting
C. Leave the Root Hosts section empty when exporting
D. Select the Host Access Read-only check box prior to exporting.
Question No : 19 - Topic 1
Where can CPLs be created?
A. Traditional LUNs
B. Thick pool LUNs
C. Thin pool LUNs
D. Clone groups
Question No : 20 - Topic 1
Which tool is used to complete the initialization of only a VNX System for Block?
A. Unisphere Storage System Initialization Wizard
B. VNX Installation Assistant
C. Unisphere Service Manager
D. Unisphere Server Utility