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NEW QUESTION # 20
The block service provides a linked clone mechanism and supports the creation of multiple snapshots based on a cloned volume. Each snapshot volume has just been created The data content at the time of arrival is consistent with the data content in the clone volume, and subsequent modifications to the clone volume will not affect the original snapshot and other clones roll.
- A. True
- B. False
Answer: A
NEW QUESTION # 21
Multi-selection After launching Oceanstor 9000 deployment, the deployment tool interface prompts "Unsuccessful connection".
The possible reasons are: (multiple-selection)
- A. The deployment tool and deploy version do not match
- B. deploy process does not exist
- C. The network connection between nodes is unstable
Answer: B,C
NEW QUESTION # 22
When planning and designing storage projects, which of the following are more basic stages ()
- A. Conceptual design stage
- B. Outline design stage
- C. Physical design stage
- D. Research phase
Answer: A,B,C,D
NEW QUESTION # 23
A school has purchased two Huawei OceanStor Pacific series storage devices for service deployment. An engineer wants to configure the distributed parallel client (DPC) on the storage devices. Which of the following statements is false about the engineer's configuration?
- A. Before creating a converged storage pool, the engineer must enable the file service for nodes on DeviceManager.
- B. If upper-layer services require high data security, the engineer needs to set the storage pool type to "Self-encrypting" when creating a converged storage pool.
- C. When the storage network is a Remote Direct Memory Access over Converged Ethernet (RoCE) network, the engineer can run the "systemctl stop lldpad.service" command to disable the lldpad service.
- D. When creating a namespace, the engineer needs to select a security style and application type.
Answer: C
NEW QUESTION # 24
In Huawei all-flash storage, the SmartDedupe and SmartCompression features reduce redundant data space consumption and improve the transmission and storage efficiency of a storage system. Which of the following statements about the features is false?
- A. During similarity-based deduplication in the background, the system does not divide data into blocks and can directly calculate similar fingerprints.
- B. Backup storage supports deduplication and compression of file systems.
- C. Post-process compression means that data is first written to storage media and then read for compression.
- D. During inline deduplication, the system divides data into blocks and then calculates fingerprints for the blocks.
Answer: A
NEW QUESTION # 25
The scale-out storage system supports cabinet-level security. That is, N data blocks and M parity blocks are stored in different cabinets. If M nodes or M disks are faulty, the system can still read and write data without service interruption or data loss. If M cabinets are faulty, services may be interrupted.
- A. TRUE
- B. FALSE
Answer: A
Explanation:
The statement describes the reliability mechanism of Huawei's scale-out storage systems, such as the OceanStor Pacific series, which employ cabinet-level security to enhance data availability. According to the *HCIP-Storage V5.5 Training Material (Module 3: Scale-Out Storage Technologies)*, scale-out storage systems use distributed architectures with N data blocks and M parity blocks stored across different cabinets to ensure redundancy. This design leverages erasure coding (EC) or similar mechanisms to tolerate faults. The material explicitly states: "In a scale-out storage system, N+M redundancy ensures that if up to M nodes or M disks fail, the system can reconstruct data withoutinterruption or loss. However, if M cabinets fail, the system may lose the ability to access sufficient parity or data blocks, potentially interrupting services." This confirms that the system can handle M node or disk failures without issue, but M cabinet failures may disrupt services due to the loss of distributed data or parity blocks. Therefore, the statement is true.
Reference:
HCIP-Storage V5.5 Training Material, Module 3: Scale-Out Storage Technologies, Section 3.2: Reliability and Redundancy Mechanisms*, Huawei Technologies Co., Ltd.
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NEW QUESTION # 26
For security reasons, it is generally impossible to access resources across domains. But OceanStor 9000 supports The Crossdomain Policy File mechanism allows other domains to have access to OceanStor9000 and realize cross-domain data Source access.
- A. True
- B. False
Answer: A
NEW QUESTION # 27
What professional storage value-added features does the HDFS interface provide for Hadoop business?
(multiple choice)
- A. Snapshot
- B. Remote replication
- C. HtyperMetro
- D. NDMP backup
Answer: A,B,D
NEW QUESTION # 28
Check the operability of the storage system through DeviceManager, you can know the storage system Real-time and long-term status of system business performance.
- A. True
- B. False
Answer: A
NEW QUESTION # 29
The Huawei SmartPartition feature supports setting the same read and write cache capacity for partitions without multiple selections, as follows Regarding the impact of cache capacity on services with different characteristics, which options are correct ()
- A. For random services, a larger cache capacity means a better order of access to disks, thus bringing Performance improvement
- B. For write business, more cache capacity means higher write merge rate, write hit rate and better Order of visits
- C. For sequential services, the cache capacity does not need to be large, and only needs to meet the I/O consolidation requirements
- D. For the read business, more cache capacity means a higher read hit rate
Answer: A,B,C,D
NEW QUESTION # 30
Huawei's hybrid flash storage supports the integration of NAS and SAN. The software protocol stacks of the two single-selection are completely parallel. In terms of resource allocation and Convergence on the management plane.
- A. True
- B. False
Answer: A
NEW QUESTION # 31
Operation and maintenance is based on technology and provides higher-quality services through technical guarantee products. Which of the following aspects can be used to improve luck Dimension quality ()
- A. Standard
- B. Resources
- C. Process
- D. Management
Answer: A,B,C,D
NEW QUESTION # 32
In the Huawei Oceanstor 9000 system, if the client's access to the storage system nodes is unevenly distributed, After re-adjusting the partition, you need to unmount the shared directory in each client and remount it with the assigned domain name
- A. True
- B. False
Answer: A
NEW QUESTION # 33
The following description of the principles of making a backup strategy is wrong:
- A. Measure the frequency of data backup based on the importance of the data
- B. Measure the data retention period based on the amount of data
- C. Measure task execution time based on the amount of data change
- D. Measure backup media based on the discreteness of data
Answer: D
NEW QUESTION # 34
The correct ideas and methods for 9000DeviceManager server failure are as follows to solve Oceanstor:
(multiple choice)
- A. Check that the CM process is normal, and then contact Huawei technical support engineers
- B. Check that the DeviceManager process is normal, then check the CM process
- C. Check that the DeviceManageriS process is normal, then restart the DeviceManager process
Answer: B,C
NEW QUESTION # 35
Which of the following descriptions of the cloud storage system is correct? (multiple choice)
- A. Huawei's cloud storage system can only provide storage services to Huawei's cloud platform and users on it
- B. Huawei's cloud storage system can provide storage services for users of the VMwaxe cloud platform. C.
OceanStor9000 storage system
It will also become part of the cloud storage system in the future - C. The scalability of the OceanStor9000 storage system is better than that of the cloud storage system
Answer: B,C
NEW QUESTION # 36
In Huawei container storage solution, CSI is short for Container Storage Interface. Which of the following statements is false about Huawei CSI?
- A. CSI Controller runs independently on a worker node on the Pod in StatefulSet mode and is used to interact with the storage and create and delete resources on the storage side.
- B. CSI Driver developed by Huawei is mainly used to implement the call initiated by sidecar on Huawei storage.
- C. Huawei storage and Huawei CSI driver need to communicate with each other through RESTful to provide NAS/SAN storage resources.
- D. CSI Node runs on each worker node of Kubernetes on the Pod in DaemonSet mode and can be used to mount and unmount related storage resources.
Answer: A
Explanation:
Option C is false.Huawei's CSI documentation states that theCSI Controller runs independently in a Pod in Deployment mode, notStatefulSet mode. Huawei also says it is used to interact with storage and create/delete resources on the storage side. So the incorrect part is theStatefulSet modedescription.
Option A is true.Huawei explains that Kubernetes sidecar components register and monitor Kubernetes objects andinvoke the CSI Driver when needed, and the Huawei CSI Driver implements those calls on Huawei storage.
Option B is true.Huawei states thatHuawei storage communicates with the Huawei CSI plug-in through RESTfulto provideNAS/SAN storage resource services.
Option D is true.Huawei states that theCSI Node component is deployed in DaemonSet mode on all worker nodesand is used for node-side operations such as mounting and unmounting storage resources.
NEW QUESTION # 37
A company purchased a set of Huawei horizontally extended file storage to build a file sharing system.
Current ministries
The clients of the door use different IP subnets, and the storage administrator configures the front-end service IP addresses of all nodes to belong to the same subnet. storage Which steps are correct for the administrator to configure the subnet ()
- A. Specify the dynamic IP address pool used by the subnet
- B. Set the DNS service IP address for the subnet
- C. Specify the static front-end service IP addresses of all nodes in this subnet
- D. One or more partitions can be defined as a subnet
Answer: A,B,C,D
NEW QUESTION # 38
Which node types does Huawei OceanStor 9000 support?
- A. P36
- B. C36
- C. P12
- D. P25
Answer: A,B,C,D
NEW QUESTION # 39
A TV station uses a Huawei hybrid flash storage device with FC networking to store videos. When I use it recently, it occasionally appears The video screen freezes. Engineer A will troubleshoot the fault after arriving at the site. Which of the following is the correct troubleshooting method ()
- A. Check the storage device failure alarm indicator
- B. Check if there is a RAID group degradation alarm
- C. First check whether the client status is normal, whether the resource is tight and cause the freeze
- D. Check the open status of the client firewall port
Answer: A,B,C
NEW QUESTION # 40
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