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NEW QUESTION # 38
A company deploys a set of Huawei distributed storage in data center 4 and data center B. It mainly uses block services to carry application-related services such as databases and virtual machines, and uses the block service active-active feature to cooperate with upper-layer applications to ensure business continuity sex.
For this dual-active scenario, which of the following options are correct? (Multiple Choice)
- A. It is recommended to deploy a stretching server on a third-party site
- B. It is recommended to use FC networking for arbitrated links
- C. It is recommended that the distance between data center A and data center B be less than 100 kilometers
- D. It is recommended that database applications use active-active consistency groups
Answer: A,C,D
NEW QUESTION # 39
The correct description of the data stored in content warehouse websites such as YouTube and Facebook is: (Multiple Choice)
- A. Various types of evidence
- B. The amount of data is large and the growth rate is fast
- C. High proportion of unstructured data
- D. High value density of data unit GB
Answer: A,B,C
NEW QUESTION # 40
In homogeneous storage, if the master reads IO, it must go to the old storage to read the data and return it to the host.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION # 41
Windows supports two disk partition modes, MBR and GPT. For GPI disks, which of the following options are correct?
- A. There is a backup disk partition strip at the end of the disk
- B. Performance is not as stable as MBR disks
- C. Allows up to 64 partitions per disk
- D. The maximum size of a single partition is 2TB
Answer: A
NEW QUESTION # 42
Regarding the name node concurrency feature of Huawei distributed storage products, which of the following is correct? (Multiple Choice)
- A. Multi-directory metadata operation multi-node concurrent
- B. Multiple Acitve NameNodes provide metadata services, and data is consistent between multiple nodes
- C. The number of files supported by multiple Acitve Namenodes is no longer limited by the memory reference of a single node
- D. Avoid metadata service interruption due to HDFS name node switching
Answer: A,D
NEW QUESTION # 43
A customer plans to migrate 5TB of object storage data to HUAWEI CLOUD due to business needs. It is recommended to use the pre-migration evaluation function for resource evaluation, and then create object storage near-migration tasks in batches on the evaluation interface. The system will automatically divide it into multiple migration tasks based on the inventory and quantity distribution of objects in the bucket, improving migration efficiency and reducing migration time.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 44
Which of the following statements about the eDevLUN in the SmartVirtualization feature of Huawei OceanStor all-flash storage are incorrect? (Multiple Choice)
- A. Application servers can access data on external LUNs through eDevLUNs
- B. eDevLUN refers to third-party heterogeneous device volumes connected to Huawei storage
- C. The eDevLUN consists of two parts: the actual data volume and the metadata volume, and the corresponding relationship between the metadata and the actual data is established through the mapping relationship.
- D. The actual physical space occupied by the eDevLUN in the local storage system is the storage space required by the data volume
Answer: B,D
NEW QUESTION # 45
A customer uses block storage service and puts forward the following requirements for backup networking.
1. The backup data stream does not occupy LUN resources;
2. Backup services do not affect user network performance;
3. Small impact on host business
4, the backup performance is good.
Regardless of cost, which of the following backup networking architectures can meet customer requirements?
- A. LAN-Free
- B. Server-Free
- C. Server-Less (NDMP)
- D. LAN-Base
Answer: B
NEW QUESTION # 46
Huawei OceanStor full-flash storage system supports IP drift to ensure business continuity and reliability. Which of the following statement about IP drift is incorrect?
- A. If the designated port A and physical port B are added to the unified VLAN, as long as one physical port in the bound port A fails, the service will be switched to the physical port B.
- B. If Ethernet ports A and B are added to VLAN 2, ports A and B belong to the same drift group by default.
- C. When "Manual" is selected for "Switchback Mode" of IP flapping, the system can switch back services to the active port only when the active port link is in a normal state and lasts for more than 1 minute when the port recovers from the fault.
- D. One Ethernet port can create multiple logical ports.
Answer: C
NEW QUESTION # 47
Businesses need to back up SQL server databases and operating system applications. Service data is mainly generated from 9:00 to 18:00. The backup system must be highly stable and reliable. In this case, storage engineers can perform backup operations during off-peak hours, for example, from 23:00 to 06:00.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 48
Due to the increasing number of cloud users, a security enterprise needs to expand a new data center to respond to storage needs, and plans to purchase flash memory storage devices to support image data storage. The site plans to support 300 video signals, each with a flow rate of 1.5Mbps, and requires that each video signal be reserved for at least one month.
known:
1) The nominal capacity of a single hard disk is 931GB, and two coffer disks are configured, each with a size of 480GB, and the coffer disk is not a member disk of a RAID group;
2) The server uses Windows operating system, and the file system uses NTFS, the space occupancy rate is about 0.01%
3) Due to the influence of large data write traffic and large storage space, the basic cost and data security are considered, the RAID strategy will adopt RAID5, the plan is to configure 80+1P, and use the default hot standby strategy (equivalent to creating one hot spare for each RAID group).
What is the approximate total capacity required for this site?
- A. 180597GB
- B. 250932GB
- C. 120659 GB
- D. 80324GB
Answer: A
NEW QUESTION # 49
Compared with traditional RAID, what are the characteristics of RAID 2.0+ technology? (Multiple Choice)
- A. Need to manually configure a separate global or local hot spare hard disk
- B. When the hard disk fails, RAID2.0+ can further shorten the reconstruction time through thin reconstruction
- C. Supports many-to-many reconstruction, reconstructing data streams and writing to multiple hard disks in parallel
- D. The block virtualization realizes the automatic and balanced distribution of data on the hard disks in the storage pool, avoiding the uneven cooling and heating of the hard disks.
Answer: B,C,D
NEW QUESTION # 50
The company migrates its business to HUAWEI CLOUD, and what systems can be migrated to the cloud? (Multiple Choice)
- A. centos7.6
- B. Financial encryption machine system
- C. windows 10
- D. suse 12
Answer: A,C,D
NEW QUESTION # 51
A company purchased 2 sets of Huawei all-flash storage devices to deploy database services, which were deployed in data center A and data center B in city M, and completed the active-active disaster recovery configuration.
Which of the following failures will not cause business interruption? (Multiple Choice)
- A. A network failure occurs between data centers A and B
- B. The network failure of data center A caused by the construction
- C. City-wide power outage
- D. Single device failure
Answer: A,B,D
NEW QUESTION # 52
Which of the following features can make a LUN generate two physical copies at the same time?
- A. HyperSnap
- B. HyperVault
- C. Hypemirror
- D. HyperClone
Answer: C
NEW QUESTION # 53
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