Huawei h13-629 practice test

Question 1

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.
• B. The HyperReplication function can implement online data migration.
• C. After data is migrated using HyperCopy or HyperReplication, services can be started without the need to make any configuration on the host.
• D. If data is migrated using HyperCopy, the migration speed can be dynamically changed during the copy process.

Question 2

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

Question 3

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

• A. TRUE
• B. FALSE

Question 4

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
• B. FALSE

Question 5

An application's peak write throughput is 10 MB/s, average write throughput is 280 KB/s, average
write I/O size is 4 KB, and the network bandwidth utilization rate is 70%. If OceanStor V3 storage
systems are used to implement data disaster recovery based on asynchronous replication,
Synchronization Method is set to Timed wait when synchronization begins, and the value of Interval
is 4 hours, the expected duration to synchronize data is no more than 1 hour. So the minimum
network throughput should be (_).
A. 1600 KB/s
B. 400 KB/s,
C. 15 MB/s
D. 10 MB/s

Question 6

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 ( ).

• A. 206 Mbit/s
• B. 23 MB/s
• C. 16 MB/s
• D. 800 KB/s

Question 7

A physical standby database is kept synchronized with the primary database, through Redo Apply,
which recovers the redo data received from the primary database and applies the redo to the
physical standby database. Which of the following disaster recovery technologies is working as the
above statement?

• A. LogReplecation
• B. DataGuard
• C. GoldenGate
• D. VVR

Question 8

As shown in the figure, the main features of this backup network mode are:
(Multiple Choice)

A. Backup tasks will consume a lot of LAN resources.
B. Backup tasks will consume few LAN resources.
C. Backup tasks will consume a lot of CPU resources of the production system.
D. Backup tasks will consume few CPU resources of the production system.

Question 9

In Huawei OceanStor 9000, the CA that processes write requests divides data into strips based on the
protection level and writes data strips into non-volatile dual in-line memory modules (NVDIMMs) if
the corresponding nodes. Then these nodes calculate and write parity strips into their NVDIMMs.
After all these nodes have successfully written parity strips, the write operation is successful.

• A. TRUE
• B. FALSE

Question 10

Which commands are used to view SCSI controller information in RHEL5.5 (with Qlogic QLE2562-CK
inside)?

• A. lspci | grep SCSI
• B. cat / proc / scsi / scsi
• C. cat / proc / scsi / qla2xxx/* | grep port
• D. lspci | grep Ethernet

Question 11

In an application scenario, the I/O service model is random read, and the I/O size is about 100 KB.
Then, which is the proper stripe depth for LUNs on the storage system?
A. 8 KB
B. 16 KB
C. 64 KB
D. 128 KB

Question 12

In an OceanStor V3 storage system, a disk domain has multiple types of disks. If one SAS disk is
added to the disk domain, all disks of the disk domain will participate in data balancing.
A. TRUE
B. FALSE

Question 13

To use the storage space of OceanStor V3 more efficiently, a customer has specified file system
quotas for different departments. If a soft quota alarm is generated for the file system used by
department A, which methods can be used to clear the alarm and ensure that new data can be
successfully written?
(Multiple Choice)

• A. Delete the files that department A does not need to use.
• B. Enable SmartDeduplication for the file system used by department A.
• C. Expand the file system quota for department A.
• D. Enable SmartCompression for the file system used by department A.

Question 14

Which statements are true about Huawei OceanStor V3 WORM feature? (Multiple Choice)

• A. When a file is in the locked state, the file protection duration can be manually prolonged or shortened.
• B. A locked file will shift to the expired state if the file system WORM clock value is greater than the file atime value.
• C. After the WORM file system compliance clock has exceeded the file expiration time, an appending file will shift from the appending state to the expired state.
• D. Only files of 0 byte can shift from the locked state to the appending state.

Question 15

Which statements are false about the file system quota feature of OceanStor V3? (Multiple Choice)

• A. A quota tree can be shared using a protocol. In addition, a quota tree that is being shared cannot be renamed or deleted.
• B. You can move files (NFS protocol) or cut files (CIFS protocol) across quota trees.
• C. A hard link cannot be established between two different quota trees.
• D. An administrator can delete non-empty quota trees through CLI or GUI.