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Q11. For which three hardware components does the Fault Management Architecture provide real-time diagnosis? 

A. CPUs 

B. SAS Interconnect Cables 

C. PSU 

D. MotherBoard 

E. PCIe Cards 

F. BackPlane 

Answer: A,C,E 


Q12. A storage administrator has identified that the storage system has plenty of storage space available. Which storage profile should be used when both high performance and high reliability are required? 

A. Striped 

B. Mirrored 

C. Double-parity RAID 

D. Single-parity RAID, narrow stripes 

Answer:

Explanation: striping.and redundancy to provide.both high performance and high reliability 

https://www.ece.cmu.edu/~ganger/papers/diskarrays94.pdf 


Q13. Which two capabilities are available when ZFS Storage Appliances are clustered? 

A. Allows load balancing among multiple heads 

B. Allows a peer appliance to provide service while repair is performed 

C. Provides clients with a unified file system namespace across multiple appliances 

D. Allows rolling upgrade of software 

Answer: B,D 

Explanation: As an alternative to incurring hours or days of downtime while the head is repaired, clustering allows a peer appliance to provide service while repair or replacement is performed. In addition, clusters support rolling upgrade of software, which can reduce the business disruption associated with migrating to newer software. Some clustering technologies have certain additional capabilities beyond availability enhancement; the Oracle ZFS Storage Appliance clustering subsystem was not designed to provide these. In particular, it does not provide for load balancing among multiple heads, improve availability in the face of storage failure, offer clients a unified filesystem namespace across multiple appliances, or divide service responsibility across a wide geographic area for disaster recovery purposes. These functions are likewise outside the scope of this document; however, the Oracle ZFS Storage Appliance and the data protocols it offers support numerous other features and strategies that can improve availability 

 https://docs.oracle.com/cd/E51475_01/html/E52872/godho.html 


Q14. A storage administrator wants to change the default block size. Identify the location to change this setting. 

A. 4k, Under Project Properties > General tab > Default Settings section 

B. 4k, Under Share Properties > General tab > Default Settings section 

C. 8k, Under Project Properties > General tab > Default Settings section 

D. 8k, Under Share Properties > General tab > Default Settings section 

Answer:


Q15. Identify the rack configuration that is not compatible for installing the ZFS Storage Appliance. 

A. 19-inch wide 4 post-EIA cabinet 

B. Two post-EIA compliant cabinet 

C. Sun Rack 900/1000 cabinet 

D. SunEdge expansion cabinet 

Answer: B


Q16. Which is the most effective metric for identifying performance issues? 

A. Latency 

B. IOPS 

C. Throughput 

D. Percent utilization 

E. Capacity 

Answer:

Explanation: For identifying performance issues, latency is essential. Paraphrasing performance expert Greg Brendan, latency is time spent waiting, and it has a direct impact on performance when caused by a synchronous process within an application request, thus making interpretation straightforward — the higher the latency, the worse the performance. This is in contrast to other metrics used in performance analysis — utilization, IOPS (I/O per second) and throughput — which are better suited for capacity planning and understanding the nature of workloads. 

https://www.loggly.com/blog/average-poor-metric-measuring-application-performance/ 


Q17. Which two actions allow a statistic to become an archived data set? 

A. Using "Add statistic..." in Analytics > Open Worksheet 

B. Clicking the archive (tape) icon in Analytics > Open Worksheet 

C. Saving the statistic in a worksheet 

D. Monitoring the statistic in Analytics > Open Worksheet for more than one hour 

E. Zooming out to more than one hour, and then pausing the statistic 

Answer: B,E 


Q18. What happens to a shadow migration job if a pool is failed over in a cluster, or both system disks fail and a new head node is required when using shadow migration feature? 

A. All data necessary to continue shadow migration without interruption is stored in the Write-Optimized Cache. 

B. All data necessary to continue shadow migration without interruption is removed and the job starts from the beginning. 

C. All data necessary to continue shadow migration without interruption is kept with the storage pool. 

D. All data necessary to continue shadow migration without interruption is stored in NVRAM. 

Answer:

Explanation: Shadow migration implemented using on-disk data within the filesystem, so there is no external database and no data stored locally outside the storage pool. If a pool is failed over in a cluster, or both system disks fail and a new head node is required, all data necessary to continue shadow migration without interruption will be kept with the storage pool. 

https://blogs.oracle.com/eschrock/entry/shadow_migration 


Q19. Identify the proper procedure to power up the ZFS Storage Appliance. A. Connect cords to power supply 1 and power supply 2, and open a telnet session. 

B. Connect cords to power supply 0 and power supply 1, and wait for 2 minutes. 

C. Connect cords to power supply 0 and power supply 1, and open a telnet session. 

D. Connect cords to power supply 1 and power supply 2, and wait for 2 minutes. 

Answer:


Q20. In which section of the Browser User Interface (BUI) can a storage administrator create snapshots? 

A. Shares 

B. Configuration 

C. Maintenance 

D. Services 

Answer: