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NEW QUESTION # 152
The effective capacity of the storage device is less than the actual disk capacity. Discrepancies may be caused by hot spare space, coffer disks, RAID parity data or metadata.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 153
A company has a set of business systems that it plans to deploy to Huawei's public cloud.
Engineer A suggested that two cloud hosts can be deployed in the same area to deploy HA clusters and share EVS cloud hard disks. When one cloud host fails, it can automatically switch to another cloud host to ensure business reliability.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 154
In Huawei OceanStor 9000, what technologies does the application support to improve performance? (Multiple Choice)
- A. When performing internal file copying, it is directly completed within the system at high speed without going through the client.
- B. Support SMB3Multichannel function, make full use of multi-core CPU and bandwidth resources in the client, and significantly improve performance.
- C. When a hard disk has multiple-object write requests at the same time, it supports merging into continuous large IO to significantly improve system performance.
- D. Support 10GE and PCIE networking, through high-speed interconnection between nodes, reduce the internal delay of the system and provide excellent performance.
Answer: A,B
NEW QUESTION # 155
Game live broadcast platform A uses Huawei's all-flash storage FlashLink many-core technology to protect its business. Regarding the many-core technology involved, which of the following describes the scenario of partitioning by CPU in the controller?
- A. vnode is bound to the CPU to reduce the overhead of cross-CPU scheduling and cross-CPU transmission
- B. Identify the hot and cold data in the system, improve the performance of garbage collection and prolong the service life of the SSD through the cooperation of the SSD disk and the controller
- C. A request is executed continuously on the same core and a lock-free design is implemented to avoid frequent multi-core switching
- D. Read and write I/O and other I/O are deployed in different groups to avoid mutual interference
Answer: A
NEW QUESTION # 156
An operation and maintenance engineer found a storage device alarm in the process of daily inspection and needed to perform rapid maintenance. Which of the following is wrong?
- A. Check the status of the indicator lights and handle related exceptions
- B. Check system performance and handle related exceptions
- C. Restart the storage device
- D. Check business status and handle related exceptions
Answer: C
NEW QUESTION # 157
A company purchased a set of Huawei hybrid flash storage. The current business information is as follows:
(1) Online transaction business: random write IO accounts for 80%;
(2) Online query business: sequential read IO ratio is 90%;
(3) Storage configuration SSD, SAS and NL-SAS three kinds of hard disks.
When storage engineers plan storage services, which of the following are reasonable? (Multiple Choice)
- A. When creating a hard disk domain, select some disks as hot spares
- B. When querying the initial capacity allocation of service LUNs online, select the performance tier and use the RAID5 strategy
- C. Select the high-performance tier and use the RAID10 strategy when initializing the LUN capacity of the online transaction business
- D. The online transaction business LUN uses SSD hard disk
Answer: B,C,D
NEW QUESTION # 158
An enterprise needs to provide continuous data protection for its instant transaction business, so a regular HyperCDP plan is created for the business data LUIN. Which of the following configurations can shorten the RPO as much as possible?
- A. Set the "reserved number" of HyperCDP to 60000
- B. Create multiple HyperCDP backups
- C. Set the fixed period of the timing plan to 3 seconds
- D. Create HyperCDP at a specified time each day
Answer: C
NEW QUESTION # 159
Distributed storage can be used as an independent network element to connect to esight and OceanStorD services
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 160
In Huawei storage systems, the ( ) advanced feature can create a full data copy (that is, the target LUN) of the source LUN at a specific point in time (the time when synchronization is started), and the target LUN can be read and written immediately without waiting for the background copy to complete.
Answer:
Explanation:
HyperClone
NEW QUESTION # 161
Which of the following products cannot Huawei distributed storage block storage be integrated with?
- A. OpenStack
- B. OceanStor
- C. vSphere
- D. Hyper-V
Answer: D
NEW QUESTION # 162
The creation of logical ports is based on physical Ethernet ports, bound ports or VLANs, and is mainly used for business operation. At the same time, you need to specify the main port, when the main port fails. Services will be taken over by the failover port.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 163
Huawei OceanStor Pacific series storage systems are designed to implement a proprietary fast switching retry feature, namely the Fastfail feature. The controllable I/O delay of single-point sub- health is mainly realized through two mechanisms: I/O average delay detection and route switching retry.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 164
Use DeviceManager to conveniently configure, manage and maintain multiple storage devices.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 165
In troubleshooting tools, ___________ can be used to measure various electrical parameters.
Answer:
Explanation:
Multimeter
NEW QUESTION # 166
Which of the following methods can be used to determine whether an SSD device has reached a bottleneck? (Multiple Choice)
- A. For SSD, check if %until reaches 100%
- B. Client data is significantly slower
- C. Use iostati to check the SSD device parameters, whether the svctm value is significantly increased
- D. Check the performance of the SSD device to see if it reaches the officially released performance value
Answer: A,C
NEW QUESTION # 167
A company purchased two sets of Huawei all-flash storage devices, and configured their active- active quorum policy as quorum server mode. When the quorum server fails, which of the following options are incorrect? (Multiple Choice)
- A. The active-active pair is in normal state
- B. Arbitration mode is automatically converted to static priority mode
- C. The priority site continues to operate, and the non-priority site stops operating
- D. The active-active pair is in an abnormal state
Answer: C,D
NEW QUESTION # 168
The migration schemes based on software functions are: (Multiple Choice)
- A. Database Migration
- B. Virtual Machine Migration
- C. Volume mirror migration
- D. Heterosite Mimic Migration
Answer: A,B,C
NEW QUESTION # 169
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