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NEW QUESTION 114
A customer used Huawei hybrid flash storage to build a primary and backup disaster recovery system, and the production center and remote disaster recovery center adopted asynchronous remote replication technology. The business data, logs and other data in the customer database application are stored in different LUNs, and the remote replication pairs of all LUNs are added to the same consistency group. When the consistency group is synchronized, split or switched between master and slave. At the same time, the remote replication pair of all LUNs in the group also performs synchronization, splitting, or master-slave switchover operations.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 115
In an Internet company's storage system, two services, A and B, are constantly competing for cache and network resources, resulting in longer waiting times for other services. To solve this problem, cache partitioning and flow control techniques need to be configured. Among them, business A is a transaction processing application program, and business B is an analysis and query application program, and it is necessary to ensure that business A responds immediately.
Excuse me, how to configure reasonable? (Multiple Choice)
- A. Configure the QoS priority of A service to be higher than that of B service
- B. Configure the QoS priority of the B service to be higher than that of the A service
- C. When configuring the cache partition, the cache corresponding to service A is larger than the cache corresponding to service B
- D. When configuring the cache partition, the corresponding cache of B service is larger than the corresponding cache of A service
Answer: A,C
NEW QUESTION 116
For a file system with the HyperLock feature enabled, we cannot delete, modify, and rename the files in which state the system is in?
- A. Locked state
- B. Initial state
- C. Append Status
- D. Expiration Status Reference
Answer: A
NEW QUESTION 117
The distance between two computer rooms in the data center is 2 kilometers. The storage in computer room A and the storage device in computer room B need to be configured with remote replication. The two storage rooms can be directly connected by optical fibers without going through a switch.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 118
An engineer logs in to the storage device as an administrator, and can view all user information of the current management device.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 119
Which statement about distributed storage is wrong?
- A. Huawei distributed storage is based on full x86 general-purpose servers
- B. Huawei's distributed storage is fully self-developed and has independent intellectual property rights
- C. Each I/O of Huawei distributed storage needs to be addressed through metadata
- D. Huawei distributed storage can provide file, docking, and block storage at the same time
Answer: A
NEW QUESTION 120
The international standard SHARE 78 divides the disaster recovery system into 7 levels. Which of the following technologies can be used for the sixth level of data protection?
- A. Incremental LUN copy
- B. Synchronous Remote Replication
- C. Full LUN copy
- D. Asynchronous Remote Replication
Answer: B
NEW QUESTION 121
Which of the following is true about the description of eSightl? (Multiple Choice)
- A. eSight supports unified management of Huawei servers, storage, virtualization, switches, routers, WLANs, and firewalls.
- B. eSight adopts B/S architecture
- C. eSight adopts a componentized architecture, and customers can choose the required components according to their own situation
- D. eSight only supports the management of Huawei devices
Answer: A,B,C
NEW QUESTION 122
In the backup scenario of the Huawei data backup all-in-one machine, the deduplication types can be classified according to the granularity. Which of the following granularity of deduplication is used for online deduplication?
- A. Byte-level deduplication
- B. Storage pool deduplication
- C. Block-level deduplication
- D. File-level deduplication
Answer: C
NEW QUESTION 123
An enterprise has the following resources:
Production site: Availability Zone 1, Cloud Instance 1, Data Disk 1,
Disaster Recovery Site: Availability Zone 2, Cloud Instance 2, Data Disk 2
Which of the following is correct? (Multiple Choice)
- A. The disaster recovery created is that the site resources are not included in the billing
- B. The ECS created at the disaster recovery site is powered off by default
- C. Cloud instance 2 data disk vume2 can be directly attached to cloud instance 1 for use
- D. When creating a protection instance through cloud disaster recovery (SDRS), storage disaster recovery (SDRS) automatically creates the resources required for disaster recovery site storage
Answer: A,C
NEW QUESTION 124
The company plans to migrate business systems to HUAWEI CLOUD, and has purchased several cloud servers in Availability Zone 1 and Availability Zone 2 of Region A. Availability Zone 1 is used for production sites and Availability Zone 2 is used for disaster recovery sites. Requirements The RPO of disaster recovery is 0, and the RTO is less than 30 minutes. The enterprise has purchased the Storage Disaster Recovery Service. Which of the following description of the enterprise's cloud disaster recovery construction is wrong?
- A. The enterprise disaster recovery site has the same business processing capabilities as the production site, and the application can be switched to the disaster recovery site across Availability Zone 2 without losing data.
- B. The enterprise can copy the data and configuration information of the cloud server of the production site in Availability Zone 1 to the disaster recovery site in Availability Zone 2 in Region A
- C. After the enterprise purchases the cloud storage disaster recovery service, the cloud hard disks that make up the replication pair can perform data operations such as deregistration, snapshot rollback, etc.
- D. The production site and the disaster recovery site can achieve synchronous replication disaster recovery across Availability Zones 1 and 2
Answer: C
NEW QUESTION 125
A client, client1 needs to read file X from Huawei OceanStor 9000, and the response to the read request node is A. Regarding the reading process of file X, the correct one is: (Multiple Choice)
- A. If the system monitors that file X is cached on node B, node A can read the file reference from node B
- B. If the system monitors that file A has been cached on node B, the client client1 can directly read the file from node B
- C. After OceanStor90O0 processes the read request of file X from client1, it keeps file X on nodes A and B.
- D. The system monitors that node A has cached file X, then the data of file X is cached in node A has no verification error.
Answer: A,D
NEW QUESTION 126
Company W newly purchased two sets of storage devices for the configuration of active-active. The storage device is Huawei all-flash storage, the host operating system is Linux, deployed on physical servers, and the multi-path software adopts Huawei UtraPath.
When engineers configure multipath software, which of the following operations are correct? (Multiple Choice)
- A. Check the mapped LUN information
- B. Configure the active-active working mode
- C. Configure the ultraPath working mode through set workingmode
- D. Configure the boot mode as SAN Boot
Answer: A,B,C
NEW QUESTION 127
Minicomputer migration service, which layers does Huawei mainly support?(Multiple Choice)
- A. Resource layer
- B. Application layer
- C. Infrastructure layer
- D. Virtualization layer
Answer: A,C
NEW QUESTION 128
The InfoTier function is configured in Huawei OceanStor 9000. If a file satisfies multiple file pool policies at the same time, the policy for file migration to the highest performance tier has the highest priority.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 129
A company implements continuous data protection for the file system of important applications. When the snapshot of the file system needs to be rolled back, the application sharing mount of the source file system must be canceled.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 130
Which of the following are the key technologies designed by Flashlink for the characteristics of flash media? (Multiple Choice)
- A. Multi-Stream Partitioning Technology
- B. Large Block Sequential Write Technology
- C. End-to-end technology
- D. Intelligent many-core technology
Answer: A,B,C,D
NEW QUESTION 131
Which of the following statements about high performance technology in HyperMetro are true? (Multiple Choice)
- A. In the preferred array mode, when the host service accesses time, the I/O will only be distributed in load balance on the preferred array path set by the user. Arbiter server mode cannot be configured when this mode is configured.
- B. The streamlined copy quickly identifies the source of the data copy through the hardware chip. Find the zero data. During the copying process, for the special identification of all zero data, only a small special page is transmitted to the opposite end, and the full amount is no longer transmitted.
- C. HyperMetro uses the granularity of host I/O to perform concurrent and mutual exclusion on the LBA interval between host I/O accesses and distributed range locks, so as to achieve the purpose of two-way real-time synchronization. This solution can save unnecessary data transmission between arrays. Auxiliary bandwidth, and effectively reduce the number of data transmissions.
- D. HyperMetro optimizes the data transmission between arrays at the protocol level through the FastWrite function, and applies the First Burst Enabled function of the SCSI protocol, which reduces the link transmission intersection of the write data by half.
Answer: B,D
NEW QUESTION 132
Which of the following are the precautions before FRU parts replacement? (Multiple Choice)
- A. Confirm that the new parts are free of defects such as oxidation, chemical corrosion, component falling off, and transportation damage.
- B. When unplugging or inserting the faulty part, pull it out with even force, do not pull it out vigorously or slowly.
- C. When handling and transporting parts, special anti-static packaging bags must be used. In the daily maintenance of the equipment, the parts should be sorted, registered and sent for repair.
- D. Determine the installation location information such as the cabinet and controller enclosure where the replacement parts are located, and stick labels on them to avoid misoperation.
Answer: A,C,D
NEW QUESTION 133
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