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NEW QUESTION 388
Bank A has purchased Huawei's hybrid flash storage. The encrypted hard disk technology can enhance the security of business data. Which of the following statement is correct? (Multiple choice)
- A. The encrypted hard disk technology uses the AES256 encryption algorithm to ensure that the data stored on the disk is encrypted and that the performance is not affected.
- B. External Key Manager adopts KMIP+TLS standard protocol
- C. OceanStor 18000/18000FV5 supports TPM for key protection
- D. External Key Manager is a key management application embedded in the storage system
Answer: A,D
NEW QUESTION 389
Which of the following are not the functions of OMS? (Multiple Choice)
- A. Performance reporting
- B. Tenant management
- C. Device monitoring
- D. Alarm reporting
Answer: A,C,D
NEW QUESTION 390
The importance of business systems A, B, and C of a certain enterprise are high, medium, and low respectively. Which of the following description are feasible for strategic planning? (Multiple choice)
- A. The backup frequency of systems A, B, and C can be: 1 full backup every 4 hours, 1 full backup every week, 1 additional backup a day, and 1 full backup every month
- B. The retention period of system C backup data is the longest.
- C. The retention periods of the backup data of systems A, B, and C can be: 20 days, 3 months, and 1 day, respectively.
- D. The backup data of system A has the longest retention period.
Answer: A,B
NEW QUESTION 391
When configuring active and standby disaster recovery, which of the following conditions must be met for the LUNs on the primary and standby arrays?
- A. The backup side needs to be configured with the same type of hard disk, and the size of the backup side LUN must be greater than or equal to the primary side LUN.
- B. The backup side needs to be configured with the same RAID level, and the size of the backup side LUN must be the same as that of the primary side LUN.
- C. Only the size of the backup LUN is the same as that of the primary LUN.
- D. The size of the secondary LUN must be greater than or equal to the primary LUN.
Answer: C
NEW QUESTION 392
Select all interfaces which are ALWAYS present in an OceanStor 5500 V3. (Multiple Choice)
- A. SAS expansion port
- B. SmartIO port
- C. Maintenance interface
- D. 9 pin D-connector serial interface
- E. Management interface
- F. USB port
Answer: A,B,C,E,F
NEW QUESTION 393
The big data service supports the use of the resource statistics function of the file system, which file system resources can be statistically inquired? (Multiple choice)
- A. File types in the file system
- B. The size of the file system
- C. Number of files in the file system
- D. The block size in the file system
Answer: A,B,C,D
NEW QUESTION 394
Which of the following does Backup strategy management not include?
- A. Backup destination
- B. Backup the network
- C. Backup content
- D. Backup time
Answer: B
NEW QUESTION 395
Users of HuaweiStorageSystem A are requesting higher performance for their OLTP application. The OLTP application is the only system using HuaweiStorageSystem A.
A colleague suggests improving performance by running SmartQOS on the LUNS involved, while decreasing the performance of other services:
This is;
- A. Not a solution to the problem, the other services will no longer work correctly.
- B. A good solution for the problem; performance will improve.
- C. Not a solution for the problem, since there will be only one queue of I/O.
- D. A solution, but not the best solution; SmartPartition would be better.
Answer: C
NEW QUESTION 396
CIFS/NFS/FTP sharing implemented by Huawei OceanStor 9000 is intended for which object?
- A. File
- B. User groups
- C. Directories
- D. Users
Answer: C
NEW QUESTION 397
Initiate quiescing of the application before the snapshot, and then trigger the hardware storage snapshot to create an application-consistent snapshot copy. Data is backed up through the snapshot backup copy, eliminating the data backup time window, completely without interrupting the production system business, and achieving the remote storage of data, which improves the reliability of the data.
- A. True
- B. False
Answer: A
NEW QUESTION 398
In order to ensure the performance and improve the utilization of the hard disk in Huawei Oceanstor 9000, it is recommended to set the stripe value according to the expected average file size in a directory. Which is the following description of the stripe setting is wrong?
- A. The relationship between stripe size and read and write performance is: 512KB>256KB>128KB>16KB
- B. The modified strip size is only effective for the file that was written, and the existing file before the modification still keeps the strip size before the modification
- C. Only non-empty directories can modify the redundancy ratio
- D. The relationship between redundancy ratio and read and write performance from high to low is: N+l>N+2=N+2:1>N+3:1>N+4
Answer: C
NEW QUESTION 399
What are the reasons for rapid development of the enterprise cloud storage? (Multiple Choice)
- A. Enterprises have strong demands on resource pooling, shortened product go-to-market time, and reduced cost.
- B. For typical application scenarios such as VSI, VDI, and big data, enterprise cloud storage conserves more storage space, provides larger bandwidth, and enhances compatibility between virtual machines (VMs).
- C. Enterprise cloud storage can help improve the performance and reliability of typical or new applications.
- D. Storing service data to the cloud can reduce the possibility of misoperation and malicious theft compared to storing the data on the local PC.
Answer: A,B,C
NEW QUESTION 400
Which of the following statements about the characteristics of Huawei's horizontally extended file storage NFS business are correct? (Multiple choice)
- A. Compatible with multiple operating systems and can realize file resource sharing in a heterogeneous network environment.
- B. After a node fails, the client business connected to this node is quickly switched to other nodes to take over, and the business is not interrupted.
- C. Provide shared services externally in a cluster mode, and nodes can monitor each other's service status.
- D. Load balancing can be realized according to business and node status, and data access is evenly distributed in the cluster.
Answer: A,B,C
NEW QUESTION 401
Before deploying Huawei's active-active disaster recovery solution, information about the customer's network environment must be collected, including: (Multiple Choice)
- A. Network information
- B. Information about business systems
- C. Amount of data
- D. Information about the physical environment
Answer: A,B,C,D
NEW QUESTION 402
Which network file sharing protocols are supported by a NAS storage system? (Multiple Choice)
- A. NTFS
- B. CIFS
- C. NFS
- D. FAT32
Answer: B,C
NEW QUESTION 403
Which of the following statements about asynchronous remote replication of the Huawei Active-Passive DR Solution is correct?
- A. The link distance between two data centers can exceed 3000 km (network distance) and the RTT is within 200 ms.
- B. The distance between the data centers cannot be longer than 100 km, and the round-trip transfer latency cannot be longer than 4 ms.
- C. The distance between the two data centers cannot be longer than 300 km, and the round-trip transfer latency cannot be longer than 8 ms.
- D. The link distance between two data centers cannot exceed 3000 km (network distance) and the is within 100 ms.
Answer: D
NEW QUESTION 404
In the Huawei hybrid flash storage series storage system, which of the following is the wrong description of the relationship between the logical ports of IP drift?
- A. Multiple VLANs can be configured on one Ethernet port
- B. Multiple logical ports can be configured on one bonded port
- C. Multiple bonded ports can be configured on one VLAN
- D. Multiple bonded ports can be configured on one Ethernet port
Answer: C
NEW QUESTION 405
Where is the shared mapping table of HyperSnap stored?
- A. COW Data
- B. Snapshot LUN
- C. Cow Meta
- D. Source LUN
Answer: C
NEW QUESTION 406
Which of the following statements are wrong about the implementation principle of file system snapshots? (Multiple choice)
- A. The core technology of file system snapshot implementation is ROW
- B. File system snapshot is a copy of data generated by the source file system at a certain point in time
- C. When creating a file system snapshot, because the snapshot is stored in a new location, the write operation will affect the write performance of the storage LUN
- D. After the file system snapshot is successfully created, if the file system user wants to access the snapshot, he must remount the snapshot directory to access it
Answer: C,D
NEW QUESTION 407
Which of the following storage nodes will configure an SSD as a read cache by default? (Multiple choice)
- A. P12
- B. P25
- C. CT72
- D. C36
Answer: A,B
NEW QUESTION 408
Which sub-functions are included in the InfoProtector function provided by Huawei OceanStor 9000? (Multiple Choice)
- A. Metadata protection
- B. Physical domain division
- C. File data protection
- D. WORM
- E. Snapshot
- F. Data restoration
Answer: A,B,C,F
NEW QUESTION 409
After launching Oceanstor 9000 deployment, the deployment tool interface prompts "connection unsuccessful". What are the possible reasons? (Multiple choice)
- A. Unstable network connection between nodes
- B. The deploy process does not exist
- C. The deployment tool and deploy version do not match
Answer: A,B
NEW QUESTION 410
In the feature of Huawei Oceanstor 9000 InfoReplicator.
Pair is a data replication relationship that describes the source and destination of data replication. What are the following statements are incorrect about the state transition of the pair? (Multiple choice)
- A. In the case of Pair failure, its status includes recovery, invalidation, synchronization, split
- B. When the abnormal link recovers and the recovery strategy is manual, the status of the Pair will be migrated to "synchronizing"
- C. When the InfoReplicator configuration is destroyed, the status of Pair becomes "Invalid"
Answer: A,B,C
NEW QUESTION 411
Before designing a backup plan, you need to conduct research. What aspects need to be considered when researching? (Multiple choice)
- A. Component selection
- B. Project background
- C. Live network environment
- D. Customer needs
Answer: B,C,D
NEW QUESTION 412
In Huawei synchronous remote replication, the primary and secondary LUNs can reside in the same storage array.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 413
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