H13-624_V5.5 Exam Dumps - HCIP-Storage V5.5

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Question # 17

If a performance Issue occurs in Huawei flash storage, an engineer can perform optimization operations according to the storage performance optimization process. Which of the following statements is false about the performance optimization process?

In the information collection phase, the engineer needs to collect basic information about applications and data, such as the impact of application configurations on data, data size, and read/write ratio.

In the test and application phase, the engineer needs to test the configurations to check whether the optimization objective is achieved. If yes, the engineer can put the system into use.

In the optimization analysis phase, the engineer needs to specify the performance optimization objective, find out the performance bottleneck, and identify the parts that play a key role in Improving the system performance.

In the optimization operation phase, the engineer needs to deploy DR for the service system, and needs to modify multiple configuration at a time during the optimization configuration.

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Question # 18

Which of the following statements are false about the distributed parallel dlent (DPC) of Huawei scale-out storage products?

If you want to reserve resources for deploying DPC, the available memory of compute nodes must be greater than or equal to 8 GB, and the memory reserved for the operating system must be greater than or equal to 4 GB.

To enable the performance mode of CPUs, you can run the "cpupower frequency-set -g performance" command.

If services running on DPC require higher performance, you can set CPUs to work in performance mode.

DPC and non-uniform memory access (NUMA) are mutually exclusive. Therefore, the NUMA affinity tuning feature cannot be provided in actual scenarios.

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Question # 19

When delivering a Huawei OceanStor Pacific storage project, a Huawei engineer vigorously promoted the SmartEncryption feature of scale-out storage to customers. Which of the following statements is false about this feature?

When the data is read using the DPC or NFS protocol, the SED obtains the identity authentication key from the key management server, reads and decrypts the ciphertext data, and then returns the plaintext data to the protocol layer. The protocol layer returns the plaintext data to client applications.

This feature supports encrypted data write using NFS, CIFS, HDFS, or S3. Data is decrypted and read using NFS, CIFS, HDFS, or S3.

The file service client can write plaintext data through the NFS/CIFS/DPC protocol.

Huawei OceanStor Pacific series scale-out storage supports disk encryption. All data delivered by services is stored on self-encrypting disks (SEDs).

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Question # 20

During routine O & M, an engineer finds that the system time of multiple Huawei flash storage devices Is Incorrect, and needs to correct the system time. Which of the following Is not a possible impact of changing the system time?

If the new device time is later than the deadline for saving historical performance data, the system will no longer save historical performance data.

Changing the device time will affect the life spans of disks and controllers, which may trigger alarms indicating that the hardware life span expires or hardware is aging.

If the new system time is later than the user-defined password expiration date, the system may force the user to change the login password.

If the new device time is later than the certificate validity period, the certificate will expire.

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Question # 21

After a remote replication consistency group is created, if one remote replication task is faulty, other tasks in the consistency group run normally without waiting for the faulty task to recover.

TRUE

FALSE

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Question # 22

When delivering a flash storage project, Huawei engineers introduced the multi-tenant feature of flash storage to the customer. This feature isolates service data. Although different tenants cannot access each otherâ€™s LUNs, they can access each otherâ€™s file system.

TRUE

FALSE

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Question # 23

For device reliability purposes, during the quick Installation of OceanStor Pacific 9550, engineers need to connect power cables on the storage device supplied by two power modules to separate power distribution units (PDUs).

TRUE

FALSE

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Question # 24

A bank customer purchases several Huawei flash storage devices to store upper-layer Oracle database service data. If an Oracle database fault occurs, engineers need to collect Oracle alert log files to locate the fault. Which of the following commands cannot be used to query the alert log path?

ioscan -funC disk > /home/pvlinks_disk

CRS_HOME/bin/diagcollection.sh

show parameter background_dump_dest

db2support outpath -d db_name -c

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