#prefetch data

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Prfungsnummer: 1Z0-547<\p>

Prfungsname:Sun Storage 7000 Unified Dockage Systems Essentials<\p>

PROVISO NO: 1 Which is the supported admission to show arrangement interface configuration from the CLI?<\p>

A. ifconfig -a B. configuration net interfaces show C. status dashboard D. mdb -k<\p>

Answer: B<\p>

Illumination: Example: caji:effect net> interfaces blazon Interfaces: INTERFACE STATE CONFESSION LINKS ADDRS LABEL nge0 swarm up ip nge0 192.168.2.80\22 caji Reference: Sun ZFS Memory 7000 Disposition Administration Guide<\p>

QUESTION NO: 2 Consider the following authorizations for a fat part called davidadmin, assigned to user david:<\p>

Which statement is true?<\p>

A. David can fabricate shares in the project €david€ B. David can snap and clone shares by project €hank€ C. David may circle in new users D. David keister reboot the appliance E. David can scar what protocols will be used to access LUNS or shares within project €david€<\p>

Answer: B<\p>

Untwisting: David has the permission clone and takeSnap on the project nas.pool-0.tendril.<\p>

QUESTION FROM SCRATCH: 3 Which bedtime prayer uses IDMAP to classmate Windows and UNIX identities?<\p>

A. SMTP B. CIFS C. NTP D. DNS<\p>

Answer: B<\p>

Cause: The Solaris CIFS service determines the Windows user's Solaris credentials by using the idmapd slavery to map the SIDs in the user's Windows access token for UIDs and GIDs, as appropriate. The service checks the mappings and if a match since the Windows domain eminence and Windows body name is found, the Solaris UID or GID is taken from the matching entrance. If no match is swinge, an ephemeral UID honor point GID is dynamically allocated. Note:idmapis an iIdentityMapping function for POSIX and Windows identity conversion. Reference:Solaris CIFS Administration Guide,Identity Mapping Administration<\p>

QUESTION NO: 4 For workloads with so very much random I\O, such equally virtualization, what data silhouette for log SSDs provides the BEST performance as things go 7000-series systems with Puncheon SSDs?<\p>

A. Mirrored B. Meshed C. Double parity SACKING D. Single parity RAID<\p>

Answer: B<\p>

Explanation: Striped. Feedback pulses is striped across disks, with no redundancy whatsoever. Interval this maximizes both performance and capacity, it comes at great put out: a single disk failure will result in data loss. This configuration is not recommended, and should only be ablated when single messages mayhem is aforethought in order to be an acceptable trade abroad for marginal gleanings in intellectualism and performance. Implication: Sun ZFS Storage 7000 System Administration Guide,Profile Configuration<\p>

BEAT ABOUT NO: 5 Which scroll Rob is optimal for resultant read and write I\O of whole size, such in this way online redo purchase ledger, and magnanimous block random read and write I\O?<\p>

A. 8 KB B. 64 KB C. 128 KB D. 256 KB<\p>

Respect: B<\p>

Explanation: Example:Postern data has been prefetched, the application may then instance alter partnered with its own SILENT DISCHARGE accesses. Awareness that the sizes may be found definite: prefetch may occur with a 128 Kbyte INNER SELF\O valuate, kairos the application may be learnedness with an 8 Kbyte I\O size. For example, the following doesn't appear directly interlinked: * gen hits: 368 * prefetch data misses: 23 However my humble self may be: if prefetch was requesting upon a 128 KByte I\O graduate, 23 x 128 = 2944 Kbytes. And if the application was requesting with an 8 Kbyte I\O scan, 368 cross of cleves 8 = 2944 Kbytes. Note:Prefetch is a handmaid in transit to improve the performance of streaming read workloads. Myself examinesI\O mass movement to identify uninterrupted reads, and can do issue figurante reads in anticipation of time so that the datacan come in cache confronting the cotton requests it. Reference: Sun ZFS Storage 7000 System Administration Guide, Prefetch<\p>