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Q1. A zone must include at least one target and at least one initiator.
How many targets and initiators should each zone include according to recommended best practice?
A. single initiator; multiple target
B. single initiator; single target
C. multiple initiator; multiple target
D. multiple initiator; single target
Answer: A
Explanation
For server zones, it is a best practice to use single-initiator, multiple-target zones. For example, for each Fibre Channel port on the server, create a server zone that includes the HBA WWN and all the virtual WWNs on the SC Series array controllers.
Q2. Which two steps should the engineer take prior to racking any equipment? (Choose two.)
A. remove batteries from controllers to prevent risk of electric shock
B. remove any jewelry ormetal objects from the engineer’s body
C. remove the disk drives from inside the shipped enclosures
D. apply an ESD wrist or ankle strap to avoid damage to parts
Answer: B D
Q3. An engineer is investigating network congestion on the iSCSI network and finds pause frames are rapidly incrementing on all host and ISL switch ports, but NOT on the array switch ports. All switch ports are configured for both send and receive flow control.
What should the engineer conclude?
A. Flow control is disabled on the array.
B. High TCP/IP retransmits are causing pause frames.
C. The ISL bandwidth is exceeded.
D. Spanning tree convergence is pausing IO.
Answer: B
Q4. Which method should be used to map a volume to a server in Enterprise Manager?
A. In the Server Viewer: highlight the server on the list andclick the “Map Volume to Server” button on the top button bar.
B. In the Storage Viewer: during the Volume Create wizard, click the “Mapping Options” link, and choose the server to map to.
C. In the Reporting Viewer: open the mapping report, click “CreateNew Mapping”, and provide the requested information.
D. In the Storage Viewer: highlight an unmapped volume and click the “Map Volume to Server” button on the top button bar.
Answer: D
Explanation
Referencehttps://s3.amazonaws.com/elevio-article-assets/5672810d3b8f6/57055d36afa18_esgb5029-dell-storag 9)
Q5. An engineer needs to perform a data migration.
What should the engineer do to prevent Tier 1 storage from filling and causing poor performance?
A. use the “Copy to Tier” function to move data from Tier 1 to Tier 3
B. use the “Headroom”attribute for the Tier 1 disk folder to make more space
C. use the “Import to Lowest Tier” attribute for the volumes
D. use the “Re-route Migration Data” attribute for the Tier 1 disk folder
Answer: C
Q6. An engineer needs to perform a data migration.
What should the engineer do to prevent Tier 1 storage from filling and causing poor performance?
A. use the “Copy to Tier” function to move data from Tier 1 to Tier 3
B. use the “Headroom”attribute for the Tier 1 disk folder to make more space
C. use the “Import to Lowest Tier” attribute for the volumes
D. use the “Re-route Migration Data” attribute for the Tier 1 disk folder
Answer: C
Q7. A customer needs to monitor their database volumes to make sure the storage capacity does NOT exceed the desired limits.
What should the engineer do to automate this monitoring for the database volumes?
A. create an automated disk class report
B. create alert monitoring via charting tab
C. create a Threshold Query
D. create a Threshold Definition
Answer: D
Explanation
Referencehttps://davidbraasch.files.wordpress.com/2012/12/680-017-017.pdf
Q8. There are several servers connected to the Storage Center through Fibre Channel (FC) fabrics using WWN zoning. The engineer has recently replaced a server’s FC HB. This server can no longer connect to the Storage Center.
What is causing the problem?
A. The Storage Center’s FaultDomains must be updated with the new HBA WWN
B. The server’s zone must be updated with the new switch port to which the HBA is connected
C. The Storage Center Fault Domains must be converted to Virtual Port mode
D. The server’s zone must be updated with the new HBA’s WWN.
Answer: D
Q9. An engineer has mapped a volume to an existing Windows 2012 server. The engineer has configured zoning and confirmed that all paths are correctly configured. The operating system can only see one path within the MPIO software.
Which step should the engineer take so that all paths are presented to the server?
A. download and install the MPIO Manager
B. run the commandmpclaim.exe –i –d“COMPELNTCompellent Vol “
C. change the Multipath IO (MPIO) policy to Round Robin within MPIO Manager
D. change the operating system to Windows 2012 Pro MPIO within the server properties on Storage Center
Answer: A
Explanation
Referencehttps://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&uact=8&ved=0ah 28)
Q10. On the first day after the Storage Center is installed, the engineer begins copying data to it. The engineer uses the default Replay Profile and Data Progression settings. The engineer notices that the system did take replays, but no data has been restriped in Tier 1.
What is the cause of the problem?
A. The volumes are NOT mapped to servers.
B. Replays were created before Data Progression.
C. The system can NOT restripe data because it has only one tier of storage.
D. Data Progression occurred beforethe replays were created.
Answer: C
Q11. Refer to the exhibit.
A Storage Center installation has recently been completed as shown. How much space is unusable for volumes?
A. 4.2 TB
B. 771.91 MB
C. 14.08 TB
D. 771.75 MB
Answer: A
Q12. Which three items should be entered to generate a SSL certificate? (Choose three.)
A. Storage Center eth1 IP address(es)
B. DNS Server IPaddress(es)
C. Storage Center Management IP address
D. Storage Center eth0 IP address(es)
E. DNS Host Name(s)
Answer: B C E
Q13. A customer has mapped a volume to a Windows 2008 server using two 16 Gb FC paths and two 1 Gb iSCSI paths. The customer needs the traffic to split equally across only the two FC paths without using iSCSI under normal conditions. If the FC network is down, traffic should failover to the iSCSI paths to maintain connectivity.
Which Windows 2008 multi-pathing policy should be used?
A. Round Robin With Subset
B. Fail Over Only
C. Least Queue Depth
D. Round Robin
Answer: A
Explanation
Referencehttps://technet.microsoft.com/en-us/library/ee619734(v=ws.10).aspx
Q14. An engineer is performing failover testing on an FC-attached, dual-controller SC8000 system. The engineer notes that the customer’s Windows 2008 R2 servers experience I/O errors. The RHEL and ESX servers experience no problems.
A11 FC HBA timeouts are configured per Dell best practices. The Windows servers that are experiencing issues have had no OS-level configuration changes related to SAN storage. All servers use the same FC fabric.
What is causing the connectivity loss during failover?
A. An incorrect OS type was selected when the Windows server objects were created.
B. The windows Disk TimeoutValue is NOT set correctly.
C. NPIV is NOT enabled on Storage Center FC local ports.
D. The FC cables plugged into the Windows servers have RX and TX reversed.
Answer: B
Q15. Immediately after creating a volume, which workflow disables the Dynamic Capacity on a specific volume?
A. Within system properties, uncheck the item “Dynamic Capacity”.
B. Within volume properties, uncheck the option “Thin Provision”.
C. Right-click on the desired volume and select “Preallocate Storage”.
D. Right-click on the volume and select “Disable ThinProvision”.
Answer: D
Q16. An engineer has recently completed installing a Storage Center. The engineer needs to configure the ability to set which tiers the volume uses for storage.
What should the engineer do to meet the requirements?
A. check“RAID type Used” in the Storage Center settings in EM
B. check “Allow Storage Profile Selection” in the SC settings in EM
C. check “Allow Storage Profile Selection” in the Volume settings in EM
D. check “RAID Type Used” in the Volume settings in EM
Answer: B
Explanation
Referencehttp://en.community.dell.com/techcenter/extras/m/white_papers/20440324/download
Q17. Refer to the exhibit.
Users report that access to their home directories on the Storage Center is performing very slow. This problem started a few minutes ago.
Which tab shown is most useful troubleshoot this issue?
A. Charting
B. Hardware
C. I/O Usage
D. Storage
Answer: C
Explanation
Referencehttps://davidbraasch.files.wordpress.com/2012/12/680-017-017.pdf(page 47)