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NEW QUESTION 34
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 of the source LUN is the modified data at 10:00
- B. After the snapshot is rolled back, the data of the source LUN becomes the data of the modified snapshot LUN at 10:00
- C. The data in the copy space before COW is 10:00 LUN A data
- D. The data in the copy space before COW is 9:00 LUN A
Answer: A,B,D
NEW QUESTION 35
Statement 1: The higher the number used to indicate the RAID level, the higher the overhead Statement 2: RAID 10 stripes the data, then mirrors the stripe set.
- A. Statements 1 and 2 are both true.
- B. Statement 1 is false and statement 2 is true.
- C. Statement 1 is true and statement 2 is false.
- D. Both statements 1 and 2 are false.
Answer: D
NEW QUESTION 36
In the Huawei OceanStor V3 storage system, which of the following descriptions about SmartThin LUN is correct?
- A. Thin LUN cannot be converted into Thick LUN
- B. The types of LUNs on a storage pool must be the same, either all are Thin LUNs or all are Thick LUNs
- C. When creating a thin LUN, it cannot be allocated a larger capacity than the available free space in the storage pool
- D. When creating a thin LUN, the initial allocated capacity can be used without specifying
Answer: D
Explanation:
Explanation
Resolution: When Thin LUN is created, an initial allocated capacity can be set. After the creation is complete, the storage pool Pool only The initial capacity is allocated, and the remaining space is still placed in the storage pool. When the thin LUN has been allocated When the storage space usage reaches the threshold, the storage system will allocate a certain quota from the pool to the thin LUN. in this way Repeat until the full capacity of the Thin LUN is initially set. Therefore, it has a high storage space utilization rate.
NEW QUESTION 37
Given this scenario. A company wants replication of data between two data centers that are 2000 km apart. Which replication method is most recommended?
- A. Both Asynchronous and Synchronous will work
- B. Asynchronous
- C. Synchronous
- D. Synchronous but ONLY if the link is a high speed 8 Gb/s fiber optical connection
Answer: C
NEW QUESTION 38
Situation: Disk Domain A has 40 disks, Disk Domain B has 20 disks. True or False: the rebuild time for a failed disk in Disk Domain B is longer than for a failed disk in Disk Domain A.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 39
Xiao Wang, an employee of a company, serves as the storage system administrator of the company. When he uses two sets of OceanStor5500 V3 as a disaster recovery solution, only one of them is required to configure data remote replication software.
- A. right
- B. FALSE
Answer: B
NEW QUESTION 40
Which of the following storage devices are non volatile? (Choose all that apply.)
- A. Hard Disk
- B. DVD
- C. RAM
- D. Magnetic Tape
Answer: A,B,D
NEW QUESTION 41
Statement 1: RAID 2.0+ offers better protection against data loss than traditional RAID and it performs much better.
Statement 2: To rebuild a RAID 2.0+ protected failed drive takes a lot of time as all drives are involved in the rebuild of the spare disk.
- 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: B
NEW QUESTION 42
Use the CIFS protocol to access the share. When the share name and the user name are the same, the shared order of access is:
- A. Query Homedir share first, if there is no matching share information, then query CIFS share
- B. Query CIFS share, if there is no query, it will return failure
- C. Query the CIFS share first, if there is no matching share information, then query the Homedir share
- D. Query Homedir share, if there is no query, it returns failure
Answer: A
NEW QUESTION 43
A zone in a FC switch determines which ports of the FC switch can be connected together.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 44
Regarding the description of Huawei OceanStor storage system safe disk, which of the following is correct?
(Multiple choice)
- A. Safe disk cannot be used to store user data
- B. Only the first two disks in the controller cabinet are used for safe disks
- C. When the device is powered off, the safe disk stores the data in the cache to prevent data loss
- D. When an unexpected power failure occurs, the BBU supplies power to the cache and safe disk
Answer: C,D
Explanation:
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 45
In the Huawei OceanStor V3 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. 32MB
- C. 512KB
- D. 4MB
Answer: C
NEW QUESTION 46
To enable a Windows-based host to use the resources provided by a HUAWEI OceanStor V3 series storage device, perform the following operations:
1. Create a Disk Domain and a storage pool.
2. Create a host group and host.
3. Create a LUN group and LUN.
4. Configure an initiator on server and on storage device.
5. Connect the server to the storage device.
6. Format the logical disk.
7. Install the initiator software on server.
8. Mapping.
Place the steps in the proper order.
- A. 1 -> 2 -> 3 -> 4 -> 5 -> 6 -> 7 -> 8
- B. 2 -> 3 -> 1 -> 4 -> 8 -> 7 -> 5 -> 6
- C. 7 -> 5 -> 1 -> 3 -> 2 ->4 -> 8-> 6
- D. 2 -> 3 -> 1 -> 4 -> 5 -> 6 -> 7-> 8
Answer: C
NEW QUESTION 47
Which of the following is NOT a port name in Fibre Channel.
- A. TX_Port
- B. E_Port
- C. U_Port
- D. FL_Port
Answer: A
NEW QUESTION 48
Regarding the new era of ICT and technology, is the following statement correct? (Multiple choices)
- A. Social media (social media) is a virtual community that people use to create, share, exchange opinions, opinions and experiences And web platform
- B. CPS (Cyber Phsical System) includes ubiquitous environmental awareness in the future, embedded computing, network communication System engineering such as Xinhe Network Control is a physical system with functions of computing, communication, precise control, remote collaboration and autonomy
- C. In the new ICT era, the migration of ICT systems from supporting systems to production systems
- D. Cloud computing (cloud computing) is an increase, use and delivery model of Internet-based related services, usually Involves the provision of dynamically scalable and often virtualized resources via the Internet
Answer: A,B,C,D
NEW QUESTION 49
What is the synchronization cycle time limit for asynchronous remote replication?
- A. 3s~300min
- B. 1s~300min
- C. 1s~144min
- D. 3s~144min
Answer: D
Explanation:
Explanation
Resolution: 3 seconds to 1440 minutes
NEW QUESTION 50
A device can only have one WWPN, but it can have multiple WWNNs.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 51
Statement 1: We have a a RAID5 protected group of disks. The protection level increases if we add more disks to the group. Statement 2: With a RAID 10 set the number of disks must be greater than 8 to always survive a dual disk failure.
- A. Statements 1 and 2 are both true.
- B. Statement 1 is false and statement 2 is true.
- C. Statement 1 is true and statement 2 is false.
- D. Both statements 1 and 2 are false.
Answer: D
NEW QUESTION 52
Which of the following is not a port type defined by Fibre Channel?
- A. G-Port
- B. E-Port
- C. NL-Port
- D. F-Port
Answer: A
NEW QUESTION 53
Which of the following statements about switched fabric topology in Fibre Channel SANs is NOT true?
- A. The switches leverage zoning to manage network structure and provide the best interconnection form.
- B. Multiple pairs of nodes connecting to switches can communicate simultaneously.
- C. The fault of one node in a zone does not affect services on nodes in other zones.
- D. It is the most widely used topology that supports a maximum of 127 devices.
Answer: D
NEW QUESTION 54
Description 1: The data recovery of the snapshot depends on the source data. If the source data is physically damaged, it cannot be recovered. and In this case, the clone can still restore the source data.
Description 2: After the source data is damaged, the LUN copy must completely copy the backup data to restore the source data. And clone only Damaged data needs to be recovered, which greatly reduces the recovery time.
- A. description 1 is wrong, description 2 is right
- B. description 1 is correct, description 2 is correct
- C. Description 1 is right, description 2 is wrong
- D. Description 1 is wrong, description 2 is wrong
Answer: B
NEW QUESTION 55
In a Red Hat Linux 5 operating system, which command is used to mount the sdb5 in the dev directory to the sdb5 in the mnt directory?
- A. cat/dev/sdb5/mnt/sdb5
- B. df/dev/sdb5/mnt/sdb5
- C. in/dev/sdb5/mnt/sdb5
- D. mount/dev/sdb5/mnt/sdb5
Answer: D
Explanation:
Explanation/Reference:
NEW QUESTION 56
After employee A of a company logs into the storage device of the company system, he finds that he has certain control rights. But not repairable If the system time is changed, user management cannot be performed. May I ask which of the following roles does Employee A have?
- A. Administrator
- B. Super administrator
- C. ordinary users
- D. Read-only users
Answer: A
NEW QUESTION 57
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