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Huawei H13-611_V4.5-ENU certification exam comprises 60 questions, which are distributed across five modules: storage system architecture, storage device configuration, storage network configuration, backup and disaster recovery, and storage performance optimization. H13-611_V4.5 exam is designed to test the practical application of knowledge and hands-on experience, making it an assessment of real-world abilities.
NEW QUESTION # 90
Which of the following descriptions of RAID striping related concepts are correct? (Multiple Choice)
- A. After striping, the speed that the RAID group can provide is faster than that of a single disk
- B. Striping is a technology that automatically balances the I/O load to multiple physical hard drives
- C. Striping technology divides a continuous piece of data into many small parts and stores them on different disks.
- D. Single or multiple consecutive sectors in a single hard disk form a strip, which is the element that makes up the strip
Answer: A,B,C
NEW QUESTION # 91
Regarding the four disaster recovery modes of HyperMetro, Hot Standby, Warm Standby, and Cold Standby, is the following statement wrong?
- A. HyperMetro technology can realize that both the main and backup data centers provide services to the outside world. During normal operation, the business of the two data centers can Do load sharing based on weights, there is no difference between master and backup, and respond to some users separately. The weight can be divided by region, or number According to the center's service capacity or external bandwidth
- B. The hot standby business is responded by the main data center. When a data center failure causes the business to be unavailable, the Within RTO time, the service can be automatically switched to the backup data center
- C. Warm standby technology. When a data center failure causes the service to become unavailable, within the specified RTO time, you can Automatically switch the service to a backup data center
- D. The biggest feature of multi-activity is that it will not cause waste of resources in the data center, and the data center carries application business operations.
Answer: C
Explanation:
Analysis: The warm standby technology is implemented on the basis of the active and standby data centers, provided that there are two active and standby data centers.
The standby data center is deployed for warm standby, and application services are responded to by the primary data center.
When the service is unavailable, it is necessary to realize the overall switching of the data center within the specified RTO time. When realizing the main data When the center switches, it is necessary to disconnect the main data center routing link and connect the backup data center routing link to ensure the same time There is only one data center online. The warm-up technology is still a manual method, and someone needs to be on duty 24 hours to complete the operation.
The work effect is low.
NEW QUESTION # 92
Xiao Wang, an employee of a company, did the following in the company's storage system: 9:00 Take a snapshot of LUN A and activate it Alive, all the data of the snapshot LUN and the source LUN were modified at 10:00, and the snapshot was rolled back at 11:00.
The following instructions are correct? (Multiple choice)
- A. The data in the copy space before COW is 9:00 LUN A
- B. The data of the source LUN is the modified data at 10:00
- C. After the snapshot is rolled back, the data of the source LUN becomes the data of the modified snapshot LUN at 10:00
- D. The data in the copy space before COW is 10:00 LUN A data
Answer: A,B,C
NEW QUESTION # 93
An e-commerce company has configured the highest priority of I/O for the main online transaction business in the storage system, and the instant messaging and archive services are respectively low and medium priority. At this time, the I/O needs to be written in the same time period 123456 , Among which 3,5 comes from online transaction business, 2,6 comes from instant messaging, 1,4 comes from archiving business, which of the following I/O writing sequence is wrong? (Multiple Choice)
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A,C,D
NEW QUESTION # 94
The x86 architecture is a type of data center infrastructure.
- A. True
- B. False
Answer: A
NEW QUESTION # 95
Which version is used to check RHEL 5 operating system?
- A. c at version
- B. show version
- C. uname -a
- D. find version
Answer: C
NEW QUESTION # 96
Which of the following are not required components in the FC SAN environment? (Multiple choice)
- A. Windows operating system
- B. Storage equipment
- C. FC switch
- D. FC HBA
Answer: A,C
NEW QUESTION # 97
In Huawei OceanStor storage devices, coffer disks are an optional configuration because the write cache has mirrors, and There is a backup power supply for the controller.
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- A. FALSE
- B. TRUE
Answer: A
Explanation:
Analysis: Each controller has one or more hard drives built in as data safes.
NEW QUESTION # 98
The amount of data backed up by incremental backup is greater than that of differential backup.
- A. False
- B. True
Answer: A
NEW QUESTION # 99
Statement 1: MLC drives are optimal when used for high intensity writes to that disk.
Statement 2: The latency of SSD drives is about 0.1 s.
- A. Statement 1 is false; Statement 2 is true
- B. Statement 1 is true; Statement 2 is false
- C. Statement 1 and 2 are true
- D. Statement 1 and 2 are false
Answer: A
NEW QUESTION # 100
Depending on the amount of data to be backed up, which of the types are actual backup methods?
(Multiple Choice)
- A. Real-time backup
- B. Incremental backup
- C. Differential backup
- D. Full backup
Answer: B,C,D
NEW QUESTION # 101
Which of the following VLANs are correct? (Multiple Choice)
- A. Different services can be configured in different VLANs in the storage system
- B. In the storage system, different VLANs can be assigned the same ID
- C. VLAN is a communication technology that logically divides a physical LAN into multiple broadcast domains
- D. In Huawei OceanStor hybrid flash memory, multiple Ethernet ports can be added to multiple independent VLANs
Answer: A,C,D
NEW QUESTION # 102
Bank's bill imaging system often stores structured data on a SAN array, and unstructured data On the NAS array.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 103
Regarding data-level, application-level and business-level disaster recovery, is the following statement correct?
- A. About RTO, data level <business level <application level
- B. About TCO, business level <data level <application level
- C. About TCO, data level <application level<business level
- D. About RTO, data level <application level<business level
Answer: C
NEW QUESTION # 104
RTO=0 and RPO=0 in the disaster recovery center of the same city.
- A. TRUE
- B. FALSE
Answer: A
Explanation:
Analysis: Synchronous remote replication is suitable for disaster recovery in the same city, which has high network requirements, but the amount of data loss (RPO) can be 0
NEW QUESTION # 105
Statement 1: The file system of SAN storage is deployed on the storage side, and the file system of NAS storage is on the host side.
Statement 2: Dynamic hierarchical storage can realize data migration between storage media with different performance
- A. Statement 1 is wrong, Statement 2 is correct
- B. Statement 1 is correct, Statement 2 is wrong
- C. Statement 1 is wrong, Statement 2 is wrong
- D. Statement 1 is correct, Statement 2 is correct
Answer: A
NEW QUESTION # 106
Which of the following are existing Solid State Disk types?
(Multiple Choice)
- A. TLC
- B. DLC
- C. SLC
- D. eMLC
Answer: A,C,D
NEW QUESTION # 107
Which technology's the basic unit is Extent of RAID 2.0+ technology in the storage pool? (Multiple choice)
- A. Statistics
- B. Data migration
- C. Free up space
- D. Apply for space
Answer: A,B,C,D
NEW QUESTION # 108
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The HCIA-Storage V4.5 certification exam covers a wide range of topics, including storage system architecture, storage network technology, storage resource management, backup and recovery, and storage security. It also includes hands-on lab exercises that test the practical skills of the candidate in configuring and managing storage systems.
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