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2016 Dec 1Z0-547 exam prep
Q21. In which section of the Browser User Interface (BUI) can you create snapshots?
Q22. What is the only mode in which the SRP service can operate?
A. Link mode
B. Initiator mode
C. Peer mode
D. Target mode E. HCA mode
Explanation: The SRP service mayonly operate in target mode.
Reference: Sun ZFS Storage 7000 System Administration Guide,SRP,Target configuration
Q23. Which of the two statements below on snapshots are true?
A. Automatic snapshots can only be set on a project or a share, but not both
B. Automatic snapshots can be retained for a maximum of 4 years
C. Automatic snapshots can be set on both projects and shares
D. Automatic snapshots can be taken on half hour, hourly, daily, weekly, or monthly schedules
Explanation: A (not C):Automatic snapshots can only be set on a project or a share, but not both. D:In addition to manual snapshots, you can configure automatic snapshots according to an arbitrary schedule. These snapshots are named '.auto-<timestamp>', and can be taken on half hour, hourly, daily, weekly, ormonthly schedules.
Reference: Sun ZFS Storage 7000 System Administration Guide, Scheduled Snapshots
Q24. Which configuration provides maximum availability and performance?
A. Triple parity RAID
B. Triple mirrored
C. Triple striped
D. Quad parity
E. Quad parity with mirroring
Explanation: Triple mirrored Data is triply mirrored, reducing capacity by one third, but yielding a very highly reliable and high-performing system. This configuration is intended for situations in which maximum performance, and availability are required while capacity is much less important (for example, database storage).
Reference: Sun ZFS Storage 7000 System Administration Guide, Triple mirrored
Q25. What tool can be used to set up DFS target shares coming from a 7000 series system?
A. The File Server Management Console from a Windows 2003R2 server with the File Server Role enabled
B. The Computer Management Console from a Windows 2003R2 server with the Domain Controller Role enabled
C. The 7000-series system Command Line Interface
D. The 7000-serles system Web Console
Explanation: The Distributed File System (DFS) solution in Windows Server 2003 R2 allows administrators togroup shared folders across the network into a virtual tree of folders called a namespace. The current7000 software release allows for an appliance CIFS share to act as a DFS target. A namespace rootmust already be active on an alternate object in Active Directory. CIFS shares from the 7000 may beadded as targets to any DFS root.
To add a CIFS share from the 7000 as a target or DFS referral, click add folder from an existing DFSroot share, in this case a domain wide share of \\sspg\HR, as shown in Illustration
Reference:Microsoft WindowsIntegration on the Sun Storage 7000, Implementation Guide,DFS Target
Regenerate 1Z0-547 practice question:
Q26. Which Command Line Interface (CLI) command provides hardware status details?
A. Maintenance hardware show
B. Hardware status is not available through the CLI
C. Status hardware show
D. Status dashboard hardware
Explanation: Hardware status details are available in the CLI under the maintenance hardware section. Use show to list the status of all components. The list command will list available chassis, which can be selected and then viewed using show. Example: tarpon:> maintenance hardware show Chassis: NAME STATE MANUFACTURER MODEL chassis-000 0839QCJ01A ok Sun Microsystems, Inc. Sun Storage 7410 cpu-000 CPU 0 ok AMD Quad-Core AMD Op cpu-001 CPU 1 ok AMD Quad-Core AMD Op cpu-002 CPU 2 ok AMD Quad-Core AMD Op cpu-003 CPU 3 ok AMD Quad-Core AMD Op disk-000 HDD 0 ok STEC MACH8 IOPS disk-001 HDD 1 ok STEC MACH8 IOPS disk-002 HDD 2 absent - -disk-003 HDD 3 absent - -disk-004 HDD 4 absent - -disk-005 HDD 5 absent - -disk-006 HDD 6 ok HITACHI HTE5450SASUN500G disk-007 HDD 7 ok HITACHI HTE5450SASUN500G fan-000 FT 0 ok unknown ASY,FAN,BOARD,H2 fan-001 FT 0 FM 0 ok Sun Microsystems, Inc. 541-2068 fan-002 FT 0 FM 1 ok Sun Microsystems, Inc. 541-2068 fan-003 FT 0 FM 2 ok Sun Microsystems, Inc. 541-2068 fan-004 FT 1 ok unknown ASY,FAN,BOARD,H2 fan-005 FT 1 FM 0 ok Sun Microsystems, Inc. 541-2068fan-006 FT 1 FM 1 ok Sun Microsystems, Inc. 541-2068 fan-007 FT 1 FM 2 ok Sun Microsystems, Inc. 541-2068 memory-000 DIMM 0/0 ok HYNIX 4096MB DDR-II 66 memory-001 DIMM 0/1 ok HYNIX 4096MB DDR-II 66
Reference:Sun Storage 7000Unied Storage SystemService Manual, CLI
Q27. The 7000-series system has the ability to archive data sets (statistics):
A. only while they are being examined in Analytics
B. only for one month
C. for one month at one second granularity, and then 12 months at one hour granularity
D. only for 12 months
Explanation: The following actions may be performed on statistics/datasets:
* archieve Sets the statistic to be permanently opened and archived to disk. If the statistic had already been opened, then all cached data in memory is also archived to disk.
Archiving statistics creates permanent datasets, visible in theDatasets view (those with a non-zero "on disk" value). This is how statistics may be recorded 24x7, so that activity from days, weeks and months in the past can be viewed after the fact. * open
Note:A dataset refers to all existing data for a particular statistic.Datasets contain: *Statistic data cached in memory due to the statistic being opened or archived. *Archived statistic data on disk.
Reference: Sun ZFS Storage 7000 System Administration Guide,datasets, actions
Q28. Which best describes a cluster rolling software upgrade?
A. An upgrade that is rolled-out to both controllers simultaneously
B. A procedure in which clustered controllers are upgraded one at a time ("rolling" from one to the next) such that at any given time the controller being upgraded controls no resources
C. An upgrade that rolls together all previous updates
D. A procedure where cluster controllers are rolled through software upgrades one by one, keeping both controllers at the same version at all times in case of failover
E. A cluster of software upgrades, intended to roll a system to the latest software version
Explanation: Rolling software upgrades areupgrades in whichone head is upgraded while the other provides service running the older software, then thesecond head is upgraded once the new software is validated.
Reference: Sun ZFS Storage 7000 System Administration Guide, Takeover and Failback
Q29. The "by latency" breakdown is displayed as:
A. A line graph showing the average
B. A line graph with average and maximum breakdowns
C. A heat map showing quantized distribution
D. A bar graph showing maximum latency
E. A pie chart showing percentage utilization
Explanation: Whenever disk performance is investigated, using: *Disk: I/O operations broken down by latency This is presented as a heat map allowing the pattern of I/O latency to be observed, and outliers to be easily identified (click the outlier elimination button to view more).
Q30. How can you determine the effective compression ratio on a share basis and determine the impact on performance?
A. You cannot. You can only see the effective compression ratio on a pool basis- Performance can be evaluated via Analytics.
B. Edit the share in question. The compression ratio will be shown on the left under static Properties. Performance impact of compression can be evaluated by comparing the throughput of two benchmarking runs with and without compression enabled.
C. Click Shares. The compression ratio for each share will be shown on the left under Usage- Performance impact of compression can be determined by selecting Analytics: Add statistic: Disk - > I/O operations -> broken down by share -> compression efficiency.
D. Both the effective compression ratio and compression overhead are reported within Analytics.
Explanation: Compression ratio
If compression is enabled, this shows the compressions ratio currently achieved for the share.
This is expressed as a multiplier. For example, a compression of 2x means that the data is consuming half as much space as the uncompressed contents.
See the shares section for a complete description.
Beforechoosing a compression algorithm, it is recommended that you perform any necessary performance tests and measure the achieved compression ratio.
Reference: Sun ZFS Storage 7000 System Administration Guide,Data compression