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NEW QUESTION 169
Statement 1: Synchronous replication is often possible over distances of more than100k Statement 2: Asynchronous replication must be used when the host has a file system that is Linux based.
- A. Statement 1 is false; Statement 2 is true.
- B. Statement 1 and 2 are true.
- C. Statement 1 is true; Statement 2 is false.
- D. Statement 1 and 2 are false.
Answer: C
NEW QUESTION 170
According to the disaster tolerance effect, the disaster tolerance level can be divided into: (multiple choice)
- A. Application-level disaster recovery
- B. Platform-level disaster recovery
- C. Business-level disaster recovery
- D. Data-level disaster recovery
Answer: A,C,D
NEW QUESTION 171
The backup is to copy and save the data or system. Once an error or disaster occurs, these backups can be used to restore the system Data to restore the business to a normal operating state.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 172
Which of the following is the most widely used FC topologies?
- A. FC Switched Network.
- B. FC Direct Connection.
- C. Arbitration Loop
- D. Point-to-Point.
Answer: A
Explanation:
The most widely used Fibre Channel (FC) topology is the FC Switched Network. This topology uses a centrally managed switch to create a network of connected devices, allowing them to communicate with each other. This type of topology is highly scalable, as additional devices can be added to the network without any reconfiguration. It also provides higher performance than other topologies, as it can route data more quickly and efficiently.
NEW QUESTION 173
The dual switch network design is widely used in the FC SAN environment. The following description of the dual switch network redundancy design, Which ones are correct? (Multiple choice)
- A. The host port and storage device port on the switch that need to communicate must be in the same zone
- B. Each host requires 2 available FC ports, and connects the two ports to different switches
- C. Although there are multiple paths, the dual-switch network only supports link redundancy and does not support load balancing
- D. Deploy two FC switches in a SAN environment to cross connect to the two controllers of the storage device
Answer: A,B,D
NEW QUESTION 174
What is required to add additional controllers to an existing HUAWEI OceanStor system?
- A. Smart I/O card
- B. SAS cabling
- C. FC or iSCSI Host Bus Adapter
- D. 56 Gb Infiniband module
Answer: C
Explanation:
In order to add additional controllers to an existing HUAWEI OceanStor system, a FC (Fibre Channel) or iSCSI (Internet Small Computer System Interface) Host Bus Adapter (HBA) is required. The HBA connects the controller to the storage devices, and it is required to add additional controllers to the system. The HBA provides the interface between the controller and the storage devices, and it allows the controller to communicate with the storage devices over the FC or iSCSI protocol. Other options such as SAS cabling, 56 Gb Infiniband module, and Smart I/O card are also important components in storage systems, but they are not directly related to adding additional controllers to an existing HUAWEI OceanStor system.
NEW QUESTION 175
What are not common backup types? (Multiple Choice)
- A. Full backup
- B. Flexible backup
- C. Incremental backup
- D. Extended backup
Answer: B,D
NEW QUESTION 176
Which of the following statements about Huawei RAID 2.0+ are correct? (Multiple choice)
- A. Chunk size and Extent size are not adjustable
- B. RAID 2.0+ uses an independent hot spare disk
- C. Hot spare space cannot cross engine
- D. Automatically reserve a certain amount of hot spare space in the hard disk domain according to the hot spare strategy
Answer: C,D
NEW QUESTION 177
What are the advantages of SSDs over HDDs?
(Multiple Choice)
- A. Better environmental adaptability
- B. Faster read/write speed for random access
- C. Larger capacity
- D. Longer service life
Answer: A,B
NEW QUESTION 178
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. tape library
- B. CD Tower
- C. Virtual tape library
- D. Disk array
Answer: C
NEW QUESTION 179
Select the features that are commonly available in High End storage systems.
(Multiple Choice)
- A. SSD Optimization
- B. ATA Drive Optimization
- C. Second-level Data Copying
- D. Global Cache
Answer: A,C,D
NEW QUESTION 180
What is the main difference between desktop grade hard drives with enterprise grade hard drives which is the deciding factor in hard drive usage?
- A. The lifespan of hard drive.
- B. The capacity of hard drive.
- C. The presence of mechanical parts.
- D. The performance of the hard drive.
Answer: D
NEW QUESTION 181
Which of the following descriptions of RAID technology are correct? (Multiple choice)
- A. The current RAID technology only uses the parity mechanism to protect the data
- B. In RAID 0, multiple hard drives are accessed simultaneously (parallel access), speeding up data access performance
- C. The performance of all RAID levels increases linearly with the increase in the number of member disks
- D. Not every RAID technology can improve write performance
Answer: B,D
NEW QUESTION 182
A company purchasing a set of Huawei storage services needs to provide file services while providing block services. Which of the following is correct?
- A. Support non-domain environment
- B. Support AD domain environment
- C. CIFS/NFS are both C/S mode
- D. Support CIFS and NFS deployment on the same network
Answer: C
NEW QUESTION 183
What are the common time indicators to measure the reliability of a system? (Multiple choice)
- A. Effective
- B. average time between failures
- C. Reliability
- D. average time to failure
Answer: B,D
NEW QUESTION 184
The hard disk domain supports online addition of hard disks, and the storage pool supports online expansion.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 185
Description 1: The LUN is composed of multiple Extents in the storage pool.
Description 2: The LUN can contain one or more types of Extent.
- A. Description 1 error, description 2 error
- B. Description 1 is correct, description 2 is incorrect
- C. Description 1 is wrong, description 2 is correct
- D. Description 1 is correct, description 2 is correct
Answer: D
NEW QUESTION 186
What kinds of external storage are there? (Multiple Choice)
- A. DAS
- B. FAS
- C. NAS
- D. SAN
Answer: A,B,C,D
NEW QUESTION 187
Which one of the following options is stored in a narrow-sense storage?
- A. Tape library
- B. Disk
- C. Disk array
- D. Disk cabinet
Answer: B
NEW QUESTION 188
In the storage system, which of the following statements about cables are correct? (Multiple Choice)
- A. The mini SAS HD cable is used to connect the PCle interface of the controller in the control box to the data switch
- B. mini SAS HD cables are divided into mini SAS HD cables and mini SAS HD optical cables
- C. One end of the fiber can be connected to the FC HBA card, and the other end to the fiber switch or storage
- D. The serial port cable is used to connect the expansion port and connect the controller subrack to the hard disk subrack
Answer: B,C
NEW QUESTION 189
Which of the following statements about the evolution of storage network architecture is correct?
- A. Users first generated storage requirements due to the increase in data volume, which resulted in the earliest and simplest storage architecture SAN
- B. Compared with DAS architecture, NAS architecture can better provide file sharing services
- C. Distributed storage appeared at the same time as DAS, providing better scalability for DAS architecture
- D. SAN provides file storage, and its emergence solves the inconvenience of file sharing in the DAS architecture
Answer: B
NEW QUESTION 190
Which of the following is the correct configuration process for the Huawei OceanStor V3 storage system?
- A. Create storage pool -> create LUN -> add mapping
- B. Create LUN->Create Storage Pool->Add Mapping
- C. Create storage pool -> add mapping -> create LUN
- D. Create LUN->Add Mapping->Create Storage Pool
Answer: A
NEW QUESTION 191
Description 1: The file system of the SAN storage is deployed on the storage side, and the file system of the NAS storage is on the host side.
Description 2: Dynamic tiered storage can achieve data migration between storage media with different performance
- A. Description 1 is wrong, description 2 is correct
- B. Description 1 error, description 2 error
- C. Description 1 is correct, description 2 is incorrect
- D. Description 1 is correct, description 2 is correct
Answer: A
NEW QUESTION 192
An enterprise adopts cloud-level primary and backup data-level disaster tolerance. During business planning, two types of storage can be divided according to actual needs.
LUN: Protected LUN and unprotected LUN, create VMs that need disaster recovery on the protected LUN, and configure only the protected LUN Set up array replication to save the storage space requirements of the disaster recovery center.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 193
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