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NEW QUESTION # 145
When accessing the Linux client of the Huawei Oceanstor9000 cluster, the client parameters can be adjusted to improve access Performance, which one of the following is wrong?
- A. N FS uses TCP protocol to send and receive data, appropriately increasing the buffer size can speed up TCP transmission
- B. In order to support jumbo frames, all nodes of the corresponding Oceanstor 9000 need to be set accordingly
- C. Enabling Jumbo Frames can reduce TCP loss and improve performance. The prerequisite is to confirm that the customer All network devices between end interfaces must support jumbo frames
- D. Oceanstor9000 supports jumbo frames, it is necessary to set the MTU of all front-end and back-end business network ports
Answer: D
NEW QUESTION # 146
Which options are correct in the following statements about the features of Huawei SmartPartitian ()
- A. Support users to set the capacity of read cache and write cache for each SmartPartition partition
- B. Support setting SmartPartition in units of business LUNs
- C. The SmartPartition feature is effective for both block business and file business
- D. The resources of each SmartPartition can only be accessed independently
Answer: A,B,C,D
NEW QUESTION # 147
Through Huawei OceanStor9000 Device Manager, we can view the real-time OPS performance indicators of the system.
- A. True
- B. False
Answer: A
NEW QUESTION # 148
In the software module of Huawei Oceanstor 9000, it belongs to the distributed object storage layer, not the distributed file system layer It is: (multiple choice)
- A. CA (Client Agent)
- B. MDS (MetaData Service)
- C. PVS(Protocol and Value-added Service)
- D. Disk K-V Store
- E. O BS(Obiect Based Store)
Answer: D,E
NEW QUESTION # 149
Multiple Choices What are the advantages of Huawei OceanStor 9000 clustered NAS technology over traditional NAS storage systems? Multiple choices
- A. The failover is fast, and the failure of a single node in the cluster does not affect the business
- B. Scale-out engine architecture is scalable.
- C. The cluster is followed by SAN storage, and the SAN storage can use heterogeneous storage
- D. Multi-node cluster, load balancing, global cache, provide strong performance
Answer: A,B,D
NEW QUESTION # 150
When an asynchronous remote replication relationship is established between the primary volume of the primary site and the secondary volume of the remote slave site, an initial synchronization is initiated.
After the synchronization is completed, the data status from the volume becomes complete, and then which of the following procedures is followed to complete the periodic data synchronization ()
- A. Generate synchronous snapshots of the primary and secondary volumes
- B. The master volume receives write requests from the production host
- C. When the master volume synchronizes data with the slave volume, read the data of the snapshot of the master volume and copy it to the slave volume
- D. After the write request data is written to the main volume, immediately respond to the completion of the host write
Answer: B,C,D
NEW QUESTION # 151
Huawei storage products provide data center active-active solutions based on HyperMetro. By classifying services, Part of the business is dominated by data center A, and data center B is hot standby, and some of the businesses are dominated by data center B, and data center B For hot standby, in order to achieve the effect of dual-active.
- A. False
- B. True
Answer: A
NEW QUESTION # 152
Which of the following are Huawei's disaster recovery solutions? (multiple choices)
- A. Active-Active DC solution
- B. Geo-Redundant solution
- C. Primary and standby disaster recovery solutions
- D. Local high-availability solutions
Answer: A,B,C,D
NEW QUESTION # 153
The object service provides multi-tenant management capabilities, and the data in the single selection of different tenants can be physically Isolation makes it easy to divide resources.
- A. True
- B. False
Answer: A
NEW QUESTION # 154
In the Huawei disaster recovery solution, the correct description of the synchronous remote replication sequence is:
1. The primary storage array writes I/O data to the primary LUN and sends IO to the secondary LUN
2. 2. The host sends IO to the main storage array.
3. 3. The main storage array returns a successful write message to the host.
4. Write IO data to the master and slave LUNs.
- A. 1-24->3->2
- B. 3->2-1->4
- C. 2-1-4~3
- D. 1-2->3->4
Answer: C
NEW QUESTION # 155
Which of the following scenarios is more suitable for adopting the FusionInsight Hadoop technology of Huawei Oceanstor9000? (Multiple choice)
- A. Institutional data form processing
- B. Applications that write once and read many times
- C. Mass storage and retrieval of small files
- D. Mass document management that frequently changes content
Answer: B,C
NEW QUESTION # 156
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. True
- B. False
Answer: A
NEW QUESTION # 157
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. 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.
- B. After the software installation is completed, these addresses will be deleted automatically
- C. Need to specify which node to use.-An IP address
- D. If the cluster has 6 nodes, you need to apply for 6 P addresses
Answer: C,D
NEW QUESTION # 158
Which of the following descriptions about the backup integration plan is correct: (multiple choice)
- A. Only 1 backup agent is supported
- B. Support deduplication
- C. Support fine-grained recovery
- D. Support report management
Answer: B,C,D
NEW QUESTION # 159
Multiple choice The description about the analysis and adjustment of the CIFS transmission size of the Oceanstor 9000 system is wrong: (multiple choice)
- A. CIFS transfer block size refers to the size of CIFS file sharing in a single service request between the IP client and Oceanstor 9000.
The size of the data block - B. Analyze the file size ratio that needs to be stored in Oceanstor 9000 to obtain the storage file model, and then select an appropriate size Numerical value
- C. Since the parameter value in Oceanstor 9000 has been set to the minimum value by default, it is only necessary to adjust the parameter value of the client to the target value.Nominal value
- D. To adjust the transmission block size, you need to adjust the client and Oceanstor9000 at the same time.
Small value shall prevail
Answer: C,D
NEW QUESTION # 160
When deploying OceanStor 9000 through the deployment tool, the IP entered in the "IP address range" in the
"DHCP configuration" area
The address is only used temporarily during the deployment process. After the deployment is successful, the IP address of each node is modified to the IP address planned in the configuration file
- A. True
- B. mistake
Answer: A
NEW QUESTION # 161
multiple choices. The possible causes of common business failures in the Huawei Oceanstor 9000 storage system include: (multiple choices)
- A. Client setting is abnormal
- B. Abnormal connection with external authentication server
- C. File system is abnormal
- D. protocol exception
Answer: A,B,C,D
NEW QUESTION # 162
The disadvantage of physical tape libraries is that the hardware and mechanical failure rate is relatively high, and the single-selection tape media itself is relatively fragile and vulnerable to external environments.
Environment (temperature, humidity, dust, etc.), it is prone to failure.
- A. True
- B. False
Answer: A
NEW QUESTION # 163
The single-choice NAS system focuses on storing and managing which of the following types of data?
- A. file data
- B. small message
- C. large block of data
- D. continuous data block
Answer: A
NEW QUESTION # 164
If the Huawei N8000 clustered NAS system has 4 engine nodes and each node has 4 service network ports, you need to plan How many virtual IPs?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION # 165
Huawei Distributed Storage Object Service provides finely controlled Qos capabilities, providing tenants, buckets Other TPS and bandwidth granular service quality control can precisely control which operations ()
- A. PUT
- B. DELETEB. GET
- C. LIST
Answer: A,B,C
NEW QUESTION # 166
(multiple choice) The basic principles of daily maintenance of big data storage systems include:
- A. Reserve spare parts on site for timely replacement in case of failure
- B. Develop a reliable backup plan
- C. Use the resources and software provided by the original manufacturer
Answer: A,B,C
NEW QUESTION # 167
When configuring the InfoAllocator feature, an A is configured for the user group group1 Quota (quota type: capacity quota, quota method: mandatory quota, hard value: 10GB), user quota-userl configured One B quota (quota type: capacity quota, quota method: mandatory quota, hard threshold: 20 GB), quota_user2 user A C quota is configured (quota type: capacity quota, quota method: mandatory quota, hard threshold: 5 GB), quota_userl The user and quota-user2 belong to the groupl user group, which of the following option descriptions are correct ()
- A. quota_user1 users can use the maximum capacity of 20GB
- B. quota_userl users can use the upper limit of 10GB
- C. quota_user2 users can use the maximum capacity of 5 GB
- D. quota_user2 users can use up to 10 GB
Answer: B,C
NEW QUESTION # 168
The characteristics of cross-domain unified management of data backup include: (multiple choice)
- A. Client integration
- B. Fault isolation
- C. Manual synchronization
- D. Centralized management
Answer: A,B,C
NEW QUESTION # 169
In the synchronous remote replication of Huawei hybrid flash storage, the primary LU and the secondary LUN can be in the same array.
Column.
- A. True
- B. False
Answer: A
NEW QUESTION # 170
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