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Huawei H13-629 Practice Test - Questions Answers, Page 36

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Which of the following is correct about the Huawei storage Oceanstor V3 storage system?
When using OceanStor V3, you need to mount the file system snapshot to access the snapshot data.
In order to verify the consistency of the slave LUN data with the source data and to protect slave LUN data, which of the following descriptions is incorrect:
In a synchronous replication scenario, an application's peak write throughput is 16 MB/s, average write throughput is 500 KB/s, average write 1/0 size is 8 KB, private information overhead is about 11%, and the FC network bandwidth utilization rate is 70%. The throughput of the disaster recovery network must be at least ( ).
Which of the following scenarios will cause the OceanStor 18000 to start local reconfiguration? (multiple selection)
Which if the following is correct regarding the Huawei Oceanstor unified storage system multi-planar system design?
Maintenance personnel discovered a storage fault indicator light. You log in to the management interface and found a RAID group failure and replaced the hard disk. In this process, the maintenance personnel used the following basic troubleshooting methods:
An enterprise has purchased two sets of HUAWEI OceanStor 9000 devices. To ensure the security of the data, one set provides storage for the production site and the other set is on the disaster recovery site to provide data redundancy. If the two Huawei Oceanstor 9000 storage system are to establish remote replication, which of the following is wrong?
Customers need to migrate 10TB service data from a manufacturer's mid-tier storage to Huawei OceanStor S5600T (V100R005), storage array, A total of 120 LUN carrying oracle, ESXI virtual machine business plans to use VIS6000T local image data migration. Based on this, which of the following is incorrect?
In the N8500 (V200R001) clustered NAS system, when the created file system is used for applications accessing large files sequentially, which of the following is correct?

Question 351

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Huawei HyperMetro active-active disaster recovery supports heterogeneous storage. Therefore, an OceanStor V3 storage system and a Huawei certified third-party storage system can work in active-active mode based on HyperMetro.

A.
TRUE
A.
TRUE
Answers
B.
FALSE
B.
FALSE
Answers
Suggested answer: A

Question 352

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When the data migration solution based on remote replication is used, services must be suspended at least once.

A.
TRUE
A.
TRUE
Answers
B.
FALSE
B.
FALSE
Answers
Suggested answer: A

Question 353

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Which statement about SmartMigration functions is false during a SmartMigration-based migration?

A.
If multiple LUNs are used by a service, the LUNs must undergo a consistency splitting after the migration.
A.
If multiple LUNs are used by a service, the LUNs must undergo a consistency splitting after the migration.
Answers
B.
If multiple LUNs are used by a service, consistency splitting cannot be performed before stopping services.
B.
If multiple LUNs are used by a service, consistency splitting cannot be performed before stopping services.
Answers
C.
For higher migration speed and storage performance, a migration task can be deleted as soon as it is completed.
C.
For higher migration speed and storage performance, a migration task can be deleted as soon as it is completed.
Answers
D.
It is recommended to perform consistency splitting in off-peak hours.
D.
It is recommended to perform consistency splitting in off-peak hours.
Answers
Suggested answer: B

Question 354

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A customer's database application is running on an OceanStor V3 storage system. The database uses six LUNs. The customer wants to migrate data from the OceanStor V3 storage system to an OceanStor 18000 series storage system based on the functions provided at the storage side. Which statements are true? (Multiple Choice)

A.
If you use the HyperReplication function to migrate data on multiple LUNs used by the database, you must add multiple remote replication tasks to one consistency group.
A.
If you use the HyperReplication function to migrate data on multiple LUNs used by the database, you must add multiple remote replication tasks to one consistency group.
Answers
B.
The HyperReplication function can implement online data migration.
B.
The HyperReplication function can implement online data migration.
Answers
C.
After data is migrated using HyperCopy or HyperReplication, services can be started without the need to make any configuration on the host.
C.
After data is migrated using HyperCopy or HyperReplication, services can be started without the need to make any configuration on the host.
Answers
D.
If data is migrated using HyperCopy, the migration speed can be dynamically changed during the copy process.
D.
If data is migrated using HyperCopy, the migration speed can be dynamically changed during the copy process.
Answers
Suggested answer: A, C, D

Question 355

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While migrating data to HUAWEI Storage, SmartVirtualization- and SmartMigration-based migration includes the following steps: a. Changing mappings for the source storage; b. Stopping services; c. Taking over the source storage; d. Migrating data; e. Recovering services and applications. Which sequence correctly describes an online migration procedure?

A.
acbde
A.
acbde
Answers
B.
baced
B.
baced
Answers
C.
abcde
C.
abcde
Answers
D.
eacbd
D.
eacbd
Answers
Suggested answer: B

Question 356

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Which of the following are characteristics of the SmartVirtualization-based Data Migration Solution? (Multiple Choice)

A.
It does not consume any host resources.
A.
It does not consume any host resources.
Answers
B.
It is lower in migration cost than gateway-layer solutions such as those based IBM SVC, and EMC VPLEX.
B.
It is lower in migration cost than gateway-layer solutions such as those based IBM SVC, and EMC VPLEX.
Answers
C.
It requires services to stop only once, and the service stopping occurs after the migration.
C.
It requires services to stop only once, and the service stopping occurs after the migration.
Answers
D.
It delivers higher migration speed than host-layer solutions.
D.
It delivers higher migration speed than host-layer solutions.
Answers
Suggested answer: A, B, D

Question 357

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The design of Oracle database system should give attention to both performance and data reliability. Which reliability designs will reduce the performance of Oracle? (Multiple Choice)

A.
Multi mirror log group
A.
Multi mirror log group
Answers
B.
Using Oracle RAC
B.
Using Oracle RAC
Answers
C.
Archive Mode
C.
Archive Mode
Answers
D.
Frequent CheckPoint
D.
Frequent CheckPoint
Answers
Suggested answer: A, C, D

Question 358

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Many "log file switch" wait events are observed during Oracle performance diagnosis, which ways can be used to optimize the performance? (Multiple Choice)

A.
Increase log cache.
A.
Increase log cache.
Answers
B.
Migrate the log file to the high performance layer.
B.
Migrate the log file to the high performance layer.
Answers
C.
Increase the number of log groups.
C.
Increase the number of log groups.
Answers
D.
Increase the concurrency and throughput for archiving the log file.
D.
Increase the concurrency and throughput for archiving the log file.
Answers
Suggested answer: A, C, D

Question 359

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In the same operating system environment, what is the order to restore the oracle database through RMAN?

A.
controlfile, datafile, pfile
A.
controlfile, datafile, pfile
Answers
B.
pfile, datafile, controlfile
B.
pfile, datafile, controlfile
Answers
C.
datafile, pfile, controlfile
C.
datafile, pfile, controlfile
Answers
D.
pfile, controlfile, datafile
D.
pfile, controlfile, datafile
Answers
Suggested answer: A

Explanation:

Reference: https://docs.oracle.com/cd/E11882_01/backup.112/e10642/rcmadvre.htm#BRADV85339

Question 360

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Mainstream virtualization technologies include hardware virtualization (Hypervisors) and operating system virtualization (Containers). Which are key characteristics of hardware virtualization? (Multiple Choice)

A.
Multiple VMs simultaneously run on a single physical server.
A.
Multiple VMs simultaneously run on a single physical server.
Answers
B.
VMs on the same server are isolated from each other.
B.
VMs on the same server are isolated from each other.
Answers
C.
A VM encapsulates the entire system into one or more files.
C.
A VM encapsulates the entire system into one or more files.
Answers
D.
A VM on one server can run on another server without any modification.
D.
A VM on one server can run on another server without any modification.
Answers
Suggested answer: A, B, C
Total 364 questions
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