Which of the following backup methodologies would BEST be used to provide an instant copy of the current data within the same disk group?
A. Snapshot
B. Clone
C. Incremental
D. Differential
The best practice for ensuring high I/O performance is
A. Making the logical volumes the same size as the physical disk.
B. Dedicating the physical disks to logical volumes.
C. Spreading the logical volumes across all logical disks using striping.
D. Spreading the logical volumes across all logical disks using concatenation.
Which of the following RAID levels uses parity?
A. RAIDO
B. RAID 1
C. RAID 0+1
D. RAID 6
Incoming data is detected as duplicate and is removed, allowing reduction of storage consumption. This is called which of the following?
A. Single instance storage
B. In-line deduplication
C. Hierarchical data storage
D. Post-process deduplication
Buffer-to-buffer credit is used for which of the following?
A. Managing number of available buffers on target
B. Controlling the number of packets initiator can send in sequence
C. Controlling frame flow on Fibre Channel link
D. Configuring the buffers used to store frames in switch
Which of the following are current rotational speeds for Fibre Channel and SAS based hard drives? (Select TWO)
A. 3400 RPM
B. 5400 RPM
C. 7000 RPM
D. 10.000 RPM
E. 15,000 RPM
A system administrator has recently replaced a failed redundant HBA. Which of the following MUST be done in order to connect the LUNs to the replacement HBA?
A. The iSCSI initiators must be restarted on the affected servers
B. All drives must upload the new HBA firmware before it becomes active
C. The SAN must rebuild the newly installed HBA's file system.
D. The SAN zone must be configured for the new WWPN
A storage system with a small number of 1TB disk drives has an issue involving high latency for an OLTP application. Which of the following items should the storage administrator consider FIRST?
A. Replace the 1TB disk drives with 2TB disk drives.
B. Increase the number of disk drives installed in the storage system
C. Incorporate a new RAID array composed of SATA drives.
D. Reduce the current amount of cache used by the controllers.
From a disaster recovery perspective, which of the following solutions would provide the MOST redundancy and high availability options?
A. Data center with a single point of failure
B. An infrastructure with a cold site
C. An infrastructure with a hot site
D. Datacenter with a cache battery backup and cache mirroring option for all servers
Which of the following is a SAN initiator?
A. Target mode Fibre Channel adapter
B. Host Bus Adapter
C. CIFS Ethernet interface
D. SAN switch SFP
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