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NEW QUESTION # 227
Regarding the description of Huawei OceanStor storage system safe disk, which of the following is correct? (Multiple choice)
- A. Only the first two disks in the controller cabinet are used for safe disks
- B. When the device is powered off, the safe disk stores the data in the cache to prevent data loss
- C. Safe disk cannot be used to store user data
- D. When an unexpected power failure occurs, the BBU supplies power to the cache and safe disk
Answer: B,D
Explanation:
Analysis: There are two kinds of safe disks in the storage system: built-in safe disks and external safe disks. Safe disk is used to protect Stores data of the storage system, system configuration information and logs, and data in the cache after the system is powered off. Panel control integrated control box The first four hard disks or the first four hard disks in the first disk enclosure in the disk-controlled storage system are planned as coffer disks. safe Disks must use SAS, NL-SAS or SSD hard drives, and the hard drives of the four coffer disks must be the same type.
NEW QUESTION # 228
Which of the following statement of Quota tree is correct?
- A. Can only be created, deleted, and renamed by the administrator through the command line or GUI management interface, ordinary users can delete the empty Quota tree
- B. Ordinary users can perform quota management on the number or capacity of files under Quota Tree
- C. Quota tree is a first-level directory under the file system,
- D. Quota tree can be renamed and deleted when shared by agreement
Answer: C
NEW QUESTION # 229
What is the correct description of RAID 5 as follows? (Multiple choice)
- A. RAID 5 is verified by XOR algorithm
- B. RAID 5 uses striping to write data
- C. RAID 5 has a fixed check disk
- D. RAID 5 allows up to two member disks to fail simultaneously without data loss
Answer: A,B
Explanation:
Analysis: RAID 5 is an improved version of RAID 3 that uses striping and calculates parity information.
NEW QUESTION # 230
Which is wrong about the Huawei Oceanstor all-flash storage system?
- A. When creating a LUN, plan the ownership of the LUN to achieve load balancing of the controllers in the system
- B. The data of each LUN is evenly distributed to the cache of all nodes
- C. The caches of all controller nodes together form a global cache
- D. A front-end intelligent shared IO module can be provided, and the host IO can be divided and sliced into LUNs and sent directly to the corresponding target controller
Answer: A
NEW QUESTION # 231
Is the following description about Quota tree correct?
- A. Ordinary users can perform quota management on the number or capacity of files under Quota Tree
- B. Only administrators can create, delete, rename, etc. through the command line or GUI management interface.
Users can delete the empty Quota tree - C. Quota tree is a first-level directory under the file system
- D. Quota tree can be renamed and deleted when sharing through agreement
Answer: C
NEW QUESTION # 232
The RPO in the disaster recovery system measurement indicators is used to measure the business recovery capability of the disaster recovery system
- A. False
- B. True
Answer: B
NEW QUESTION # 233
Statement 1: If possible it is always advised to make only Full Backups Statement 2: LAN free backups typically run slower than LAN based backups.
- A. Statement 1 is true and statement 2 is false.
- B. Statements 1 and 2 are both true.
- C. Statement 1 is false and statement 2 is true.
- D. Both statements 1 and 2 are false.
Answer: A
NEW QUESTION # 234
Which is correct about traditional RAID? (Multiple Choice)
- A. RAID 6 requires N>2 blocks
- B. RAID 1 uses mirroring
- C. RAID 0 use data backup
- D. RAID 10 uses mirrored striping
Answer: B,D
NEW QUESTION # 235
Which of the following steps does the CIFS protocol work need to go through?
- A. Protocol handshake-security authentication-shared connection-file operation-disconnection
- B. Protocol handshake-file operation-sharing connection-security authentication-disconnection
- C. Protocol handshake-file operation-security authentication-sharing connection-disconnection
- D. Protocol handshake-sharing connection-security authentication-file operation-disconnection
Answer: A
NEW QUESTION # 236
For the data stored on the medium, there is no need to physically crush or sell it as the data recorded on the paper Ruined situation.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 237
Huawei OceanStor V3 SmartTier feature can be used to place data on the specified disk type.
- A. False
- B. True
Answer: B
NEW QUESTION # 238
The SCSI protocol is the basic protocol for communication between the host and the disk. It is operated by the SCSI controller. The controller is equivalent to a small CPU with its own command set and cache.
- A. False
- B. True
Answer: B
NEW QUESTION # 239
For a system with high business continuity, the RPO and RTO values should have which of the following characteristics?
- A. RPO and RTO are both lower
- B. RPO and RTO are both higher
- C. RPO is lower, RTO is higher
- D. RPO is higher, RTO is lower
Answer: A
NEW QUESTION # 240
A device has only one WWNN number, but it can have multiple WWPN numbers.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 241
Which of the following are the business models of cloud computing? (Multiple choice)
- A. IaaS
- B. SaaS
- C. MaaS
- D. PaaS
Answer: A,B,D
NEW QUESTION # 242
Which of the following RAID technologies need to calculate parity data when writing data? (Multiple Choice)
- A. RAID 0
- B. RAID 50
- C. RAID 6
- D. RAID 3
Answer: B,C,D
NEW QUESTION # 243
The cloudification of IT architecture is moving from "separation" to "convergence". What does convergence mean?
- A. Multi-application sharing, open "cloud computer"
- B. Convergence of hardware and software
- C. Convergence of applications and servers
- D. Convergence of IT infrastructure
Answer: A
NEW QUESTION # 244
An enterprise needs to purchase backup media for data backup. To inherit the enterprise's original tape backup architecture and strategy, it is necessary to mention High backup speed. What kind of backup media did this enterprise purchase?
- A. Disk array
- B. tape library
- C. CD Tower
- D. Virtual tape library
Answer: D
NEW QUESTION # 245
OceanStor 5300V 3 is a dual-controller converged storage product. It must be ensured that the working controller of the LUN is consistent with the owning controller.
- A. True
- B. False
Answer: B
NEW QUESTION # 246
In the HUAWEI OceanStor storage system, a customer plans to deploy a business system, the database uses Oracle data, the average data block size is 16KB, when using SmartTier features, the following data migration granularity, the most The advantages are:
- A. 64MB
- B. 4MB
- C. 32MB
- D. 512KB
Answer: D
NEW QUESTION # 247
Compare NAS storage and SAN storage in terms of principle, performance, cost, sharing, and application scenarios. Which of the following descriptions is correct? (Multiple choice)
- A. SAN is a high-speed optical fiber-connected disk network, which provides disk resources to the host. It has no file system itself, which is equivalent to a hard disk in the network.
- B. SAN is mainly suitable for file sharing scenarios, sharing is more convenient
- C. NAS is a storage device with a file system, sharing files through the network, equivalent to a host in the network
- D. NAS performance is higher than SAN, and its cost is higher than SAN
Answer: A,C
NEW QUESTION # 248
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