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NEW QUESTION # 34
Huawei Oceanstor 9000 (30) infoEqualizer function is restricted by license, including dynamic application name, static Domain name and partition function, support scheduling load in polling mode
- A. False
- B. True
Answer: B
NEW QUESTION # 35
During the processing of Huawei's distributed block service IO stack, the block service of the EDS node writes the data for the write request.
Into the cache, the read request is first hit in the index, if it is not hit, it is read from the cache
- A. False
- B. True
Answer: B
NEW QUESTION # 36
In the Huawei disaster recovery solution, which of the following distances can be selected as a single option Synchronous remote replication technology?
- A. #100km
- B. #900km
- C. #1000km
- D. #600km
Answer: A
NEW QUESTION # 37
Which of the following ideas and methods to solve the problem of QceanStor9000 DeviceManager. server is correct is:
- A. Check if the DeviceManager process is abnormal, then restart the DeviceManager process.
- B. Check that the CM process is normal, and then contact Huawei technical support engineers. answer
- C. If the DeviceManager process is normal, check the CM process.
Answer: A,C
NEW QUESTION # 38
The game live broadcast platform A uses Huawei's all-flash storage to protect its business.
Designed FlashLink technology. Which of the following statements are correct for writing the ROW scores in large block order
- A. The controller perceives the data layout in the SSD
- B. Multiple discrete data blocks are aggregated into a continuous
- C. One-segment large block sequential write makes full use of SAS bandwidth to reduce garbage collection
- D. Big data blocks Big data blocks are sequentially written to the SSD
Answer: A,B,D
NEW QUESTION # 39
Multi-select Huawei Oceanstor 9000 During the software installation process, you also need to apply for some temporary IP addresses for the back-end business network.
For the description of these temporary|P addresses, the correct one is: (multiple choice)
- A. If the cluster has 6 nodes, you need to apply for 6 P addresses
- B. After the software installation is completed, these addresses will be deleted automatically
- C. It does not matter if these temporarily planned back-end storage network IP addresses overlap with the actual planned back-end storage network IP addresses of the nodes.
- D. Need to specify which node to use.-An IP address
Answer: A,D
NEW QUESTION # 40
Single-choice NFS is a method to realize disk file sharing between Unix systems. It supports A system protocol for data in the server disk.
- A. wrong
- B. True
Answer: B
NEW QUESTION # 41
Cache policies and configurations are involved in storage-layer performance optimization of Huawei flash storage. Which of the following statements is false about the high and low watermarks of a cache?
- A. If the high watermark of the cache is too high, I/O fluctuation and latency increase will occur usually when the current I/O traffic bursts.
- B. Generally, the low watermark for storing dirty data in the cache should not be too low. The recommended value is 20%.
- C. If the high watermark of the cache is too high, the write performance will be affected. If the low watermark of the cache is too low, the read performance will be affected.
- D. Generally, the high watermark of the cache should not be too high, and the difference between the high and low watermarks should not be too small.
Answer: C
NEW QUESTION # 42
In a 0ceanstor 9000 system, the total number of nodes is 10, and the data protection level that can be configured for it can be: (multiple choice)
- A. 6+4
- B. 6+5
- C. 6+3
- D. 4+5
Answer: A,C
NEW QUESTION # 43
Multiple choices Among the following statements about the features of Huawei SmartPartition, which options are correct ()
- A. The SmartPartition feature is effective for both block business and file business
- B. Support users to set the capacity of read cache and write cache separately for each SmartPartition partition
- C. Support setting SmartPartition in units of business LUNs
- D. The resources of each SmartPartition can only be accessed independently
Answer: A,B,C
NEW QUESTION # 44
In the storage planning and design process, which of the following is not part of the business single selection planning process ()
- A. Value-added features
- B. Capacity planning
- C. Network planning
- D. Basic business
Answer: D
NEW QUESTION # 45
In order to ensure performance and improve disk utilization in Huawei Oceanstor 9000, it is recommended that you The stripe value is set for the piece size. Which one of the following describes the wrong stripe setting?
- A. Only non-empty directories can modify the redundancy ratio
- B. The relationship between redundancy ratio and read/write performance from high to low is:
N+l>N+2=N+2:1> N+3:1>N+4 - C. The relationship between stripe size and read and write performance is: 512KB>256KB>128KB> 16KB
- D. The modified strip size is only effective for the file that was written, and the existing file before modification still keeps the strip size before modification
Answer: A
NEW QUESTION # 46
Multiple choice Internet company A uses Huawei's hyper-converged storage to build the company's information platform, which significantly increases the storage space of the platform.
Use efficiency. Which of the following options reflects this feature ()
- A. Support dual-active
- B. Support EC
- C. Support asynchronous replication
- D. Support deduplication and compression
Answer: A,C,D
NEW QUESTION # 47
In OceanStor 9000, if a hard disk is offline for 15 minutes, the data recovery method on the hard disk is as follows.
The system calculates the data on the hard disk and restores these data to other normal hard disks.
- A. False
- B. True
Answer: B
NEW QUESTION # 48
A company deploys a set of multi-select Huawei distributed storage in data center A and data center B, mainly using block servers It supports application-related services such as databases and virtual machines, and uses the active-active feature of block services to cooperate with upper-layer applications to ensure business continuity.
For this dual-active scenario, which of the following option descriptions are correct ()
- A. It is recommended to use active-active consistency groups for database applications
- B. It is recommended to use FC networking for the arbitration link
- C. It is recommended that the distance between data center A and data center B be less than 100 kilometers
- D. It is recommended to deploy an arbitration server at a third-party site
Answer: B,C,D
NEW QUESTION # 49
The creation of logical ports is based on physical Ethernet ports, bonded ports or VLANs, and is mainly used for business operations. At the same time, need Designate the main port, when the main port fails, the service will be taken over by the failover port
- A. False
- B. True
Answer: A
NEW QUESTION # 50
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