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NEW QUESTION 221
In the heterogeneous virtualization feature of Huawei storage, after the target storage completes the heterogeneous takeover of the source storage LUN, which of the follow description of write IO is correct?
- A. Writing IO requires writing source storage and target storage
- B. Write IO only needs to write to the source storage
- C. You can set the write IO to write only the target storage through the configuration command
- D. Write IO only needs to write to the target storage
Answer: A
NEW QUESTION 222
HyperMetro is an active-active solution, which achieves the purpose of active-active in the entire solution through the design of multiple layers of active-active.
Which of the following descriptions about the active-active design of the storage layer of the HyperMetro architecture in data center A and data center B are correct? (Multiple Choice)
- A. The HyperMetro solution provides undifferentiated AA parallel access capabilities for application servers. When any disk array fails, the business automatically and seamlessly switches to the peer storage access, and the business access is not interrupted.
- B. HyperMetro adopts a distributed lock mechanism to ensure that services can read and write data center A storage and data center B storage at the same time.
- C. To implement the HyperMetro function, an active-active domain must be created. The active-active domain consists of data center A storage and data center B storage.
- D. The HyperMetro active-active architecture combines two sets of storage controllers into a cross-site cluster system, and the cluster can support a maximum of 32 storage controllers.
Answer: A,B,C,D
NEW QUESTION 223
For the homogeneous online migration solution based on Huawei's heterogeneous virtualization technology, which of the following descriptions is correct?
- A. The target storage OceanStor V5 currently only supports Linux hosts
- B. Select "Third Party Camouflage" in the heterogeneous virtualization operation
- C. The migration target LUN and the edevLUN must be the same controller
- D. The host must use Huawei's self-developed multipath
Answer: C
NEW QUESTION 224
A company purchased a set of Huawei hybrid flash storage to run the virtualization platform business. Huawei multipathing software is used on the host system and is connected to the two controllers of the storage through an Ethernet switch. The storage engineer found that services on the host side were interrupted and delayed. After inspection, it was found that the active links of the multi-path kept switching. In the case of ensuring business reliability, which of the following operations can solve this problem?
- A. Restart the storage controller and disable automatic switchover after controller failure
- B. Disable the automatic LUN switching function of the multipathing software, and restore the failed link as soon as possible
- C. Uninstall the multi-path software and turn off the multi-path function that comes with the system
- D. Each host is directly connected to the storage using only one Ethernet port
Answer: B
NEW QUESTION 225
An employee of a company, Xiao Wang, performed the following operations in the company's storage system: 9:00 Snapshot and activated LUNA, 10:00 modified all data on the snapshot LUN and source LUN, and 11:00 restored the snapshot. roll.
Which of the following statements are correct? (Multiple Choice)
- A. The data in the COW copy-before-write space is the data of LUN A at 9:00.
- B. After the snapshot is rolled back, the data of the source LUN becomes the data of the snapshot LUN modified at 10:00.
- C. The data in the copy space before COW write is the data of 10:00LUNA.
- D. The data of the source LUN is the modified data at 10:00.
Answer: A,B,D
NEW QUESTION 226
When building a disaster recovery system, which of the following solutions should be proposed by a customer to not only ensure the security of data but also ensure that the business is not interrupted?
- A. Local high reliability + data backup
- B. Local high reliability + intra-city active-active
- C. Intra-city active-active + remote disaster recovery
- D. Intra-city active-active + data backup
Answer: D
NEW QUESTION 227
Volume mirroring function, which of the following statements is correct? (Multiple Choice)
- A. After the volume mirror is created for the volume, the internal information exchange is performed, and the lun ID of the server read I/O should be changed
- B. External lun configuration volume mirror, you can also configure the external as a mirror copy
- C. When configuring volume mirroring, it is required that the volume mirror copies come from different hard disk domains
- D. The storage data of a lun is 2G, and a volume image is created for the lun, a copy is generated when it is created, and the total amount of incoming items and copies after generation is 4G
Answer: C,D
NEW QUESTION 228
Which is the wrong description about the data switch of Huawei OceanStor hybrid flash storage system?
- A. The PCI-E cable connection between the data switch and the engine is strictly one-to-one, and cannot be mixed
- B. Data switches are dedicated components: engineers cannot directly replace data switches with outsourced PCIe switches.
- C. The two GE ports of the data switch are connected end-to-end with the engine and SVP.
- D. The engineer only needs to connect the data switch and the engine through the PCI-E service port.
Answer: D
NEW QUESTION 229
Regarding the name node concurrency feature of Huawei distributed storage products, which of the following is correct? (Multiple Choice)
- A. Avoid metadata service interruption due to HDFS name node switching
- B. The number of files supported by multiple Acitve Namenodes is no longer limited by the memory reference of a single node
- C. Multi-directory metadata operation multi-node concurrent
- D. Multiple Acitve NameNodes provide metadata services, and data is consistent between multiple nodes
Answer: A,C
NEW QUESTION 230
M Company plans to build a remote disaster recovery center with a disaster recovery distance of 1000KM. The company's daily business growth is 2GB, the data synchronization time is up to 8 hours a day, and the bandwidth utilization rate is about 70%. In this scenario, what is the minimum remote replication network bandwidth to meet the requirements?
- A. 702Kbps
- B. 785KBps
- C. 665KBps
- D. 834KBps
Answer: D
NEW QUESTION 231
Regarding the fault repair of the Ext3 file system, which of the following statements is incorrect?
- A. Do not arbitrarily perform fsck on a normally running file system.
- B. File system faults can be located by collecting log information from the /var/flog/message host.
- C. You can use the mount command to check whether the mount status of the file system is read-only.
- D. For the damaged file system in the mounted state, directly execute fsck to repair it.
Answer: D
NEW QUESTION 232
Which of the following statements about the Huawei OceanStor 18000 Smart Matrix architecture is incorrect?
- A. Scale-out: Storage resources can be expanded on demand, and performance and capacity can be increased linearly by adding engines.
- B. Inherent load balance: the controller is fully active, and the load is evenly shared, improving the utilization of storage resources.
- C. Full switching: Use PCIE1.0 full switching interconnection to provide enough switching bandwidth to meet strict performance requirements.
- D. Full redundancy: All components are redundant, and components failover intelligently to meet stringent business continuity requirements.
Answer: C
NEW QUESTION 233
The company migrates its business to HUAWEI CLOUD, and what systems can be migrated to the cloud? (Multiple Choice)
- A. Financial encryption machine system
- B. centos7.6
- C. suse 12
- D. windows 10
Answer: B,C,D
NEW QUESTION 234
In troubleshooting tools, ___________ can be used to measure various electrical parameters.
- A. Multimeter
Answer: A
NEW QUESTION 235
An enterprise purchased a set of Huawei OceanStor 9000 storage. Some basic software of the enterprise is stored in a directory, and all personnel are required to access the share. For the convenience of operation, it is not necessary to enter the account password when accessing. Engineers can do this when configuring, set the basic software directory as an NFS share, and check the "guest enable" option under the share.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 236
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