Huawei H13-629_V3.0-ENU 問題練習

Question No : 1
SmartMatrix3.0 architecture is a multi-controller interconnected system architecture designed by Huawei for enterprise-level data center core storage systems. Based on the SmartMatrix3.0 principle, Huawei OceanStor 18000 can support up to 16-engine (32 controller) clusters.

• A.True
• B.False

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Question No : 2
An enterprise has an online transaction system and an email system in a 30 TB storage resource pool. The backup system has created three 10 TB Thin LUNs. Since the company is just starting out, the online transaction system and the email system have very little data. The backup system needs to import about 20 TB of old data, which exceeds the Thin LUN size, resulting in write failure.

• A.True
• B.False

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Question No : 3
What are the application scenarios supported by LUN migration? (Multiple choice)

• A.Adjust the LUN type (thick, thin, deduplication and compression)
• B.Adjust the WWN of the LUN
• C.Adjust the RAID level of the LUN
• D.Adjust the read and write performance of the LUN

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Question No : 4
Which of the following statements about the InfoEqualizer feature of the OceanStor 9000 storage system is correct? (Multiple choice)

• A.A partition can only belong to one subnet
• B.Each subnet should belong to a different network segment
• C.A partition contains at least 2 nodes
• D.A node can only belong to one partition

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Question No : 5
OceanStor 9000 provides directory-level snapshots. What are the application restrictions of snapshots? (Multiple choice)

• A.If a directory or its subdirectories have snapshots, the directory cannot be destroyed
• B.Remote synchronization of snapshot directories and the snapshot files in them is not supported
• C.Snapshots do not support nesting. That is, snapshots cannot be created in the parent directory or subdirectory of a directory that has already created a snapshot.
• D.Creating snapshots of the root directory is not supported

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Question No : 6
Large e-commerce company A uses Huawei hybrid flash storage to ensure its core business. Which of the following statements are correct about the SSD storage chip technology? (Multiple choice)

• A.FTL algorithm is built into the memory chip
• B.The chip directly confirms the read and write position and other information
• C.Support multiple interfaces
• D.Support Multimedia

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Question No : 7
Which of the following are common high-risk operations under Linux? (Multiple choice)

• A.rm delete file operation
• B.mkfs.ext3 format file system operation
• C.dd command
• D.Continue to write new data to the file system after the file system is damaged

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Question No : 8
For various types of storage product portfolios, Huawei has launched a series of data management software to support the management and operation of different storage. Which of the following data include? (Multiple choice)

• A.DeviceManager
• B.eSight
• C.Decanstor
• D.eService

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Question No : 9
Regarding the file system quota feature of Huawei OceanStor hybrid flash storage, which statement about Quota Tree is correct? (Multiple choice)

• A.Quota Tree can be shared through an agreement, and while it is being shared, renaming and deletion are not allowed.
• B.You can move files (NFS protocol) or cut files (CIFS protocol) across quota trees.
• C.Hard link operations between two different quota trees are not allowed.
• D.Administrators can delete non-empty Quota Trees through the command line or GUI management interface.

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Question No : 10
Regarding the remote technology of Huawei OceanStor all-flash storage, which of the following options are features that it can support? (Multiple choice)

• A.Failure switching
• B.High and low communication
• C.Consistency Group
• D.Negative penalty balance

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Question No : 11
Which of the following statements are correct about the protocol layer of Huawei's distributed storage products? (Multiple choice)

• A.Support big data HDFS access
• B.Objects support S3/Swift access
• C.File NFS access is not supported
• D.Block supports iSCSI protocol

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Question No : 12
Which of the following statements are correct about the high reliability architecture of Huawei's all-flash storage? (Multiple choice)

• A.Tolerance for simultaneous failure of two controllers
• B.Tolerating single engine priority
• C.Tolerate the failure of 7 controls
• D.Storage system components adopt dual redundant design

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Question No : 13
The customer replaced the old storage based on volume migration. Which parts need to be checked and verified before officially launching the business? (Multiple choice)

• A.File group, file system mount path
• B.Hard disk load and other situations
• C.Storage multipath redundancy
• D.Complete information about volume groups and volume information

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Question No : 14
A company purchased a set of Huawei storage (such as Huawei OceanStori hybrid flash memory) equipment, which uses a hard disk with a SAS interface. In addition to SAS hard disks, what other types of hard disks can this storage support? (Multiple choice)
A. NL SAS hard disk
B. SCSI hard disk
C. FC hard disk
D. SSD hard drive

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正解: A.D.

Question No : 15
A company's business runs on a Linux system (with a Linux 2.6 kernel) and is connected to storage via ISCSI. Engineers tested and found that the read and write bandwidth of the host accessing the storage is very low, causing application stalls and read and write errors.
Which of the following actions would help resolve the issue in this scenario? (Multiple choice)

• A.Change the Linux block device queue depth
• B.Change the CPU operation mode of Linux to downclocking
• C.Change the amount of pre-reading in Linux
• D.Change the Linux block device 10 scheduling policy

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