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Huawei H13-611_V4.5 Exam Guide
NEW QUESTION 173
Dual-switch networking is widely applied in Fibre Channel SANs. Which of the following are its characteristics? (Multiple Choice)
- A. As multiple paths exist, the dual switch networking mode supports link redundancy but does not support load balancing.
- B. Two Fibre Channel switches are deployed in a SAN for connecting to the two controllers of a storage device.
- C. Per host two fibre channel ports should be available. The two Fibre Channel ports connect to two Fibre Channel switches.
- D. The ports on the two Fibre Channel switches connecting to the hosts and storage device must reside in the same zone.
Answer: B,C,D
NEW QUESTION 174
The InfiniBand interface is used as a front-end host interface in Huawei OceanStor V3 unified storage, which can flexibly support the direct connection and multiple networking modes of switch.
- A. False
- B. True
Answer: A
NEW QUESTION 175
Deduplication is a data reduction technology that compresses large-size data blocks to reduce the physical storage capacity for storing data, thereby meeting increasing storage capacity requirements.
- A. True
- B. False
Answer: A
Explanation:
Deduplication is a data reduction technology that compresses large-size data blocks to reduce the physical storage capacity for storing data, thereby meeting increasing storage capacity requirements. Deduplication can greatly reduce the amount of storage needed to store data, and can also increase the efficiency of data access.
NEW QUESTION 176
Development trend of cloud data center:
1. Business-driven distributed cloud data center
2. Distributed cloud data center
3. Enterprise chimney
4. Cloud data center
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 177
Regarding database-level disaster recovery, which of the following statement is wrong?
- A. Database-level disaster recovery is mainly achieved by transmitting data logs and replaying them at the disaster recovery site.
- B. Database-level disaster recovery technology is a disaster recovery solution designed for fixed databases.
- C. Database-level disaster recovery, more data will be lost in asynchronous mode, at least one log file will be lost.
- D. Database-level disaster recovery supports WAN, but requires separate hardware support.
Answer: D
NEW QUESTION 178
IP scale-out is the scale-out that constructs the pcie protocol and is generally used in high-end industrial storage business scenarios.
- A. False
- B. True
Answer: A
NEW QUESTION 179
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 and 2 are false
- C. Statement 1 and 2 are true
- D. Statement 1 is true; Statement 2 is false
Answer: A
NEW QUESTION 180
The only cable type that can be used to connect disk enclosures is the mini SAS cable.
- A. FALSE
- B. TRUE
Answer: A
Explanation:
While the mini SAS cable is a common type of cable used to connect disk enclosures, there are other types of cables that can also be used, such as the SAS cable and Fibre Channel cable.
NEW QUESTION 181
It provides connection between sets of nodes and allows the connected devices(nodes) to communicate with each other but it is not a device. Which of the following fits the above description?
- A. Storage Array.
- B. Network.
- C. Host.
- D. Switch.
Answer: B
NEW QUESTION 182
In the RHEL5 operating system, which command is used to mount the sdb5 device in the dev directory to the sdb 5 directory in the mnt directory?
- A. In/dev/sdb 5/mnt/sdb 5
- B. cat/dev/sdb 5/mmt/sdb 5
- C. df/dev/sdb5mnt/sdb 5
- D. mount/dev/sdb 5/mnt/sdb 5
Answer: D
NEW QUESTION 183
From the perspective of the cloud computing business model, Huawei network disks belong to PaaS.
- A. FALSE
- B. TRUE
Answer: A
Explanation:
Analysis: Huawei network disk belongs to SaaS (software as a service) or STaaS (storage as a service).
NEW QUESTION 184
Huawei OceanStor hybrid flash storage is used as an example. Which statements are true about IP address failover? (Select All that Apply)
- A. A failover group is a combination of ports that are used for IP address failover in a storage system.
- B. IP address failover applies only to IP SAN and does not apply to other storage network architectures
- C. Fallback means that the faulty port takes over services again after it recovers
- D. IP address failover ensures service continuity and improves the reliability of paths for accessing file systems
Answer: A,D
Explanation:
A failover group is a combination of ports that are used for IP address failover in a storage system, and IP address failover ensures service continuity and improves the reliability of paths for accessing file systems. IP address failover applies to all storage network architectures, not just IP SAN. Fallback means that the standby port takes over services when the active port fails, and then the active port takes over services again after it recovers.
NEW QUESTION 185
Which statements are true about a dual-controller storage system? (Select All that Apply)
- A. In active-standby mode, only one controller works at a time.
- B. There are two working modes: active-standby and active-active.
- C. When one controller is faulty, the service failover in active-active mode is more efficient than that in active-stand by mode
- D. In active-standby mode, if one controller is faulty, services are not affected
Answer: A,B
Explanation:
In active-standby mode, only one controller works at a time and if one controller is faulty, services are not affected. In active-active mode, both controllers are active and the service failover is more efficient than in active-standby mode.
NEW QUESTION 186
Which of the following are the business models of cloud computing? (Multiple choice)
- A. SaaS
- B. MaaS
- C. PaaS
- D. IaaS
Answer: A,C,D
NEW QUESTION 187
Which of the following statement is wrong? (Multiple choice)
- A. Backup to solve the recovery of data loss
- B. Backup can directly take over the business
- C. Backup cannot solve the recovery of historical data
- D. Backup cannot solve the recovery of data damage
Answer: B,C,D
NEW QUESTION 188
In a Huawei storage system using RAID 2.0+ technology, a hard disk domain can only contain one type of hard disk.
- A. False
- B. True
Answer: A
NEW QUESTION 189
What value does the streamlined configuration technology bring to customers? (Multiple choice)
- A. Improve storage resource utilization
- B. Reduce the storage space occupied by data
- C. Reduce initial purchase cost
- D. Reduce the overall TCO of the storage system
Answer: A,C,D
NEW QUESTION 190
Storage controllers are only connected to disk enclosures within the SAN network.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 191
In Huawei RAID 2.0+, when the hot spare strategy of a certain storage layer is low, which of the following descriptions about the capacity of the hot spare space reserved by the system for this layer is wrong?
- A. When the total number of hard disks in this layer is 20, the capacity equivalent to 2 hard disk is reserved
- B. When the total number of hard disks in this layer is 48, the capacity equivalent to 2 hard disk is reserved
- C. When the total number of hard disks in this layer is 12, the capacity equivalent to 1 hard disk is reserved
- D. When the total number of hard disks in this layer is 10, the capacity equivalent to 1 hard disk is reserved
Answer: A
NEW QUESTION 192
About HUAWEI OceanStor, the following 2 statements:
Statement 1: With the SmartTier feature the SSD disks are in the Performance Tier.
Statement 2: No more than 3 tiers can exist in the OceanStor V3 storage arrays.
- A. Statement 1 and 2 are true.
- B. Statement 1 and 2 are false.
- C. Statement 1 is true; Statement 2 is false.
- D. Statement 1 is false; Statement 2 is true.
Answer: C
Explanation:
With the SmartTier feature, the SSD disks can be included in the Performance Tier. However, there can be more than 3 tiers in the storage arrays.
NEW QUESTION 193
SAS uses a point-to-point connection design to enable a dedicated link to be established between two devices in the communication.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 194
To enable a Windows-based host to use the resources provided by a HUAWEI OceanStor 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. 2 -> 3 -> 1 -> 4 -> 8 -> 7 -> 5 -> 6
- B. 7 -> 5 -> 1 -> 3 -> 2 ->4 -> 8-> 6
- C. 2 -> 3 -> 1 -> 4 -> 5 -> 6 -> 7-> 8
- D. 1 -> 2 -> 3 -> 4 -> 5 -> 6 -> 7 -> 8
Answer: B
NEW QUESTION 195
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Get to know about the goal of the exam?
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