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質問 1：
Users are complaining the response times are out of range on a retail application. Performance monitoring of the storage subsystem indicates that there are no problems. A check of the host error logs shows that there are excessive SCSI re-transmit errors. The 2Gb/s HBA on the host was recently replaced with a 4Gb/s HBA. What is the most probable cause of the timeout errors?
A. the link is utilizing 9 micron fiber
B. the distance from the host to the storage subsystem is greater than 175 meters
C. SCSI timeout value is set too small
D. the switch port to the storage subsystem is set at 2Gb/s
正解：B
質問 2：
What is the primary reason for making an adjustment to the queue depth?
A. size of cache on the storage system changes
B. number of LUNs presented to the HBA changes
C. average size of I/O blocks going through the HBA changes
D. read/write ratio of I/O going through the HBA changesread/write ratio of I/O? going through the HBA changes
正解：B
質問 3：
What metric is used when determining how many storage subsystem ports can be attached to a single host port?
A. buffer credits
B. ISL oversubscription
C. fan-out
D. fan-in
正解：C
質問 4：
You have noticed some unusual behavior in your storage environment. You need to troubleshoot the problem and review the available options there are to resolve the issues and to restore stability. What will restore stability to the environment?
A. Limit collaboration with other organizations with similar storage networks and configurations.
B. Align applications to information policy management requirements.
C. Install system upgrades promptly after successful testing.
D. An annual security audit should be performed and system logs should be scrutinized for unusual activity.
正解：C
質問 5：
You have a single fabric with four servers connecting to an edge switch in a core edge configuration with single 2Gb/s ISLs to the core. Each server has an average throughput requirement of 40MB/s. Under which circumstance would you need to add a second ISL?
A. to provide a management path
B. to provide a redundant path
C. to separate out FSPF updates
D. to avoid congestion on the ISL
正解：B
質問 6：
What should the administrator verify before connecting a stand-alone populated switch to an existing fabric?
A. Verify principle switch assignment
B. Verify domain ID assignment
C. Verify port type assignment
D. Verify FC_ID port assignment
正解：B
質問 7：
A production cluster is attached to redundant disk fabrics and a tape fabric. Each fabric is contained within a single switch. Each cluster member has access to twelve (12) TB of RAID 5 production storage and twelve (12) TB of RAID 0 local replica accessed through eight (8) HBAs single initiator zoned to sixteen (16) storage ports on one storage subsystem. The tape fabric includes one (1) connection to each server and direct connections to ten (10) LTO II (35MB/s) tape drives. The standby cluster member performs multi-threaded backups using the local replica. All HBAs and ports are 2Gb/s. If the recovery time is equal to backup time, where is the bottleneck?
A. tape HBA
B. tape drives
C. disk HBAs
D. subsystem contention
正解：A
Users are complaining the response times are out of range on a retail application. Performance monitoring of the storage subsystem indicates that there are no problems. A check of the host error logs shows that there are excessive SCSI re-transmit errors. The 2Gb/s HBA on the host was recently replaced with a 4Gb/s HBA. What is the most probable cause of the timeout errors?
A. the link is utilizing 9 micron fiber
B. the distance from the host to the storage subsystem is greater than 175 meters
C. SCSI timeout value is set too small
D. the switch port to the storage subsystem is set at 2Gb/s
正解：B
質問 2：
What is the primary reason for making an adjustment to the queue depth?
A. size of cache on the storage system changes
B. number of LUNs presented to the HBA changes
C. average size of I/O blocks going through the HBA changes
D. read/write ratio of I/O going through the HBA changesread/write ratio of I/O? going through the HBA changes
正解：B
質問 3：
What metric is used when determining how many storage subsystem ports can be attached to a single host port?
A. buffer credits
B. ISL oversubscription
C. fan-out
D. fan-in
正解：C
質問 4：
You have noticed some unusual behavior in your storage environment. You need to troubleshoot the problem and review the available options there are to resolve the issues and to restore stability. What will restore stability to the environment?
A. Limit collaboration with other organizations with similar storage networks and configurations.
B. Align applications to information policy management requirements.
C. Install system upgrades promptly after successful testing.
D. An annual security audit should be performed and system logs should be scrutinized for unusual activity.
正解：C
質問 5：
You have a single fabric with four servers connecting to an edge switch in a core edge configuration with single 2Gb/s ISLs to the core. Each server has an average throughput requirement of 40MB/s. Under which circumstance would you need to add a second ISL?
A. to provide a management path
B. to provide a redundant path
C. to separate out FSPF updates
D. to avoid congestion on the ISL
正解：B
質問 6：
What should the administrator verify before connecting a stand-alone populated switch to an existing fabric?
A. Verify principle switch assignment
B. Verify domain ID assignment
C. Verify port type assignment
D. Verify FC_ID port assignment
正解：B
質問 7：
A production cluster is attached to redundant disk fabrics and a tape fabric. Each fabric is contained within a single switch. Each cluster member has access to twelve (12) TB of RAID 5 production storage and twelve (12) TB of RAID 0 local replica accessed through eight (8) HBAs single initiator zoned to sixteen (16) storage ports on one storage subsystem. The tape fabric includes one (1) connection to each server and direct connections to ten (10) LTO II (35MB/s) tape drives. The standby cluster member performs multi-threaded backups using the local replica. All HBAs and ports are 2Gb/s. If the recovery time is equal to backup time, where is the bottleneck?
A. tape HBA
B. tape drives
C. disk HBAs
D. subsystem contention
正解：A
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