2013年8月24日星期六

CompTIA meilleur examen SG0-001, questions et réponses

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Code d'Examen: SG0-001
Nom d'Examen: CompTIA (CompTIA Storage+ Powered by SNIA)
Questions et réponses: 250 Q&As

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NO.1 In order to protect the storage area network, a new firewall has been installed at the
company's datacenter. Once installed, all servers lost the remote storage and crashed. Which of the
following will restore communication between the servers' network and the SAN?
A. UDP port 6320 must be permitted between the two networks.
B. TCP port 3260 must be permitted between the two networks.
C. All servers must be configured to use hardware iSCSI initiators.
D. All servers must rescan the LUNs which have been masked by the firewall
Answer: B

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NO.2 When setting up replication for application spanning multiple LUNs, which of the following
replication features should be utilized?
A. Clone
B. Snapshot
C. Semi-synchronous Replication
D. Consistency Group
Answer: D

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NO.3 When deploying a LUN from a storage array to a host over a SAN, which of the following steps
must be done for the host to see the LUN? (Select TWO).
A. The switches must be zoned to allow the host to see the array
B. The host must authenticate against the array for SCSI access
C. The host must enable the Persistent Binding Function on its HBA
D. The switches must be zoned to allow the host to see the LUN
E. The array must be configured to expose the LUN to the host
Answer: A,E

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NO.4 An administrator has configured storage for a server, and would like to ensure that other
systems do not accidentally gain access to this server's storage by plugging into the system's port.
Which of the following would provide a solution?
A. RCSN
B. Port zoning
C. Virtual fabric
D. WWN zoning
Answer: D

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NO.5 Which of the following is the appropriate tool for an administrator to use to provide a file
system to a host with assigned storage LUNs?
A. LBA
B. LVM
C. VBA
D. FBA
Answer: B

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NO.6 Which of the following replication types is the FASTEST?
A. Synchronous
B. Asynchronous
C. Incremental
D. Differential
Answer: A

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NO.7 Which of the following RAID levels will allow an administrator to lose only two drives within
the RAID group and not lose data?
A. RAID 1+0
B. RAID A
C. RAID 5
D. RAID 6
Answer: D

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NO.8 A host-based logical volume manager is used to migrate data from an old array to a newer
one.
The storage administrator has completed the physical connections, zoning, and masking, but the
storage volumes from the new array are still not visible on the host. Which of die following steps
should be performed NEXT?
A. Change the HBA driver topology configuration
B. Replace failed HBA
C. Run fcping
D. Bus rescan
Answer: D

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NO.9 Which of the following is a benefit of tiered storage?
A. Lowers cost over time
B. Provides redundancy to all clients
C. Increases physical security
D. Enables disaster recovery
Answer: A

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NO.10 Which of the following defines the difference between fibre channel switch fabric and fibre
channel arbitrated loop technologies?
A. Bandwidth vs.I/O
B. B. Speed vs. Distance
C. Shared vs. Dedicated
D. Coax vs. Fiber
Answer: C

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