QUESTION 61
An engineer configures the HyperClone feature on a Huawei OceanStor Dorado 3000 storage system. The secondary LUN is configured with 20 GB and the primary LUN with 10 GB. In this case, reverse synchronization can be implemented. During the reverse synchronization, the capacity of the primary LUN cannot be expanded.

A. TRUE
B. FALSE

Correct Answer: B
QUESTION 62
When delivering a Huawei scale-out storage project, an engineer introduced the SmartEqualizer feature of the scale-out storage to the customer. Which of the following statements are true about this feature?

A. If the client has a user-defined DNS server, engineers can configure the domain name forwarding function on the server to forward domain name access requests to the DNS service of the storage system.
B. If this feature is configured, each node of the storage system uses the Paxos algorithm to select the SmartEqualizer primary node. (Two primary nodes can be deployed at the same time to implement active-active.
C. If this feature is configured, the system calculates the load based on the configured load balancing policy and returns a proper management IP address to the client.
D. By default, SmartEqualizer uses the round robin load balancing policy, that is, nodes are selected in sequence to process client requests.

Correct Answer: ACD
QUESTION 63
When delivering a flash storage project, Huawei engineers introduced the SmartMulti-Tenant feature of flash storage to the customer. Which of the following statements are true about SmartMulti-Tenant?

A. In flash storage, only a super administrator can modify vStore information, and the internal syster vStore “System_VStore” cannot be modified.
B. After a system is upgraded to support the SmartMulti-Tenant feature, all LUNs, file systems, and ports in the original system are allocated to the internal system vStore “System_vStore.”
C. To query system role information, the customer can run the “show role system’” command.
D. A super administrator can force itself, other super administrators, lightweight directory access protocol (LDAP) users, or LDAP user groups to change their passwords upon the next login.

Correct Answer: BCD
QUESTION 64
An industry customer has purchased two Huawei Oceanstor Pacific scale-out storage devices and deployed them in different equipment rooms. Now an engineer wants to configure the HyperMetro feature on the two devices in static priority mode. Equipment room A is the preferred site. After the link between the two storage devices is down, what is the running status of the Hyper Metro pair and what is the arbitration result?

A. The running status of the HyperMetro pair is “To be synchronized”. The arbitration result is that the volume in equipment room A continues providing services and that in equipment room B stops providing services.
B. The running status of the HyperMetro pair is “To be synchronized”. The arbitration result is that the volume in equipment room A is inaccessible and that in equipment room B stops providing services.
C. The running status of the HyperMetro pair is “Normal”. The arbitration result is that the volume in equipment room A is inaccessible and that in equipment room B continues providing services.
D. The running status of the HyperMetro pair is “Normal”. The arbitration result is that the volumes in equipment rooms A and B continue providing services.

Correct Answer: C
QUESTION 65

Which of the following statements is false about OceanProtect all-flash products?

A. A single node of OceanProtect X8000 is 2 U high, and the available capacity ranges from 150 TB to 2.0 PB.
B. OceanProtect X6000 is a mid-range product. Its front-end ports support 10GE/25GE/40GE/100GE, 8 Gbit/s, 16 Gbit/’s, and 32 Gbit/s Fibre Channel. The system recovery bandwidth can reach up to 22 TB/hour.
C. Compared with OceanProtect X8000, OceanProtect x9000 provides higher physical backup bandwidth and system recovery bandwidth.
D. A single node of OceanProtect X9000 is 2 U high, and the available capacity ranges from 480 TB to 3.6 PB.

Correct Answer: D
QUESTION 66
A financial customer purchased a Huawei OceanStor Pacific series scale-out storage system for service deployment. To ensure service data reliability, an engineer configured the Hyper Snap feature on the storage system. This feature is based on the              technology. When the system receives a data write request and needs to modify the source volume, the storage system allocates new storage space from the storage pool to the new data and modifies the mapping relationship between the data in the source volume and the storage space.

Correct Answer: ROW
QUESTION 67
The SmartQoS feature of Huawei OceanStor Pacific series products supports the burst function. When services require burst performance, for example, processing high-concurrency or high-bandwidth services, the Qos policy can greatly increase the number of read and write operations per second within a certain period of time.

A. TRUE
B. FALSE

Correct Answer: A
QUESTION 68
An industry customer has purchased a Huawei OceanStor Pacific scale-out storage system for service deployment. An engineer configures NFs file sharing on the storage system through NFSv4.0. Which of the following commands can the engineer use to switch the user view to the developer view on the command line interface (CLI)?

A. change user_ mode current_ mode user_ mode =developer
B. change dns general address=develop
C. change nas_Idap advanced_config
D. change domain ad_ manager operation=develop

Correct Answer: A

QUESTION 69
A financial customer has purchased several Huawei flash storage devices for service deployment. To ensure service continuity, an engineer configures the Hyper Metro feature on the storage devices. Which of the following commands can the engineer use to remove a LUN on the command line interface (CLT)?

A. remove protect_group lun
B. remove hyper_ metro_consistency_group pair
C. remove lun_group lun
D. show protect_group general

Correct Answer: BC
QUESTION 70
A financial customer has purchased two Huawei flash storage devices for service deployment. An engineer creates a storage pool on the storage system and specifies a redundancy policy during the creation. Which of the following statements are false about storage pool redundancy policies?

A. Disk redundancy requires that chunks in a chunk group come from different disks and are distributed in different enclosures. In addition, the number of chunk columns in each enclosure does not exceed the RAID redundancy.
B. An enclosure redundancy policy can be set only when a storage pool is being created. After the storage pool is created, the redundancy policy cannot be modified.
C. Only RAID 6 and RAID-TP can be configured for a storage pool with enclosure redundancy. If a storage pool with RAID 6 has a faulty disk whose reconstruction is not complete, the storage system tolerates the failure of a disk enclosure only after the data reconstruction is complete for the faulty disk.
D. To use enclosure redundancy, a storage pool must have disks from at least four enclosures (disk enclosures and controller enclosures), and each enclosure must provide at least three disks.

Correct Answer: AC
QUESTION 71
In a remote replication scenario, a power failure or fault of the secondary storage system will affect services on the primary storage system. However, the remote replication relationship will not be interrupted. After the secondary storage system recovers, remote replication can be continued after a synchronization is performed.

A. TRUE
B. FALSE

Correct Answer: B
QUESTION 72
In direct TCP offload engine (DTOE) 2.0, all TCP connections share the same hardware sending queue, and data in the receive direction of read requests does not need to be copied. This reduces CPU consumption and latency.

A. TRUE
B. FALSE

Correct Answer: B
QUESTION 73
In Huawei converged storage, the               end-to-end full-mesh architecture includes front-end interconnection and sharing among four controllers, full controller interconnection, and back-end interconnection and sharing among eight controllers. The front-end interconnection and sharing among four controllers refers to the full interconnection between the interconnect I/O module and all controllers in a controller enclosure. The interconnect I/O module can access the four controllers in active-active mode.

Correct Answer: active-active
QUESTION 74
Huawei OceanProtect X8000 is a high-end all-flash product. A single node is 2 U high and supports 3.84 TB or 7.68 TB SSD data disks.

A. TRUE
B. FALSE

Correct Answer: A
QUESTION 75
An industry customer purchases an OceanStor Dorado 8000 storage system for service data deployment. To improve data reliability and security, engineers configure HyperDetect in the storage system for data protection. Which of the following statements is false about this feature?

A. This feature implements intelligent ransomware detection. You can check whether a snapshot is infected by known ransomware based on the file name extension and ransomware email.
B. During the detection of snapshot data changes, if a snapshot is determined as a suspicious snapshot, the full change features of the suspicious snapshot need to be extracted and the machine learning algorithm needs to be used to check whether the snapshot is infected by ransomware.
C. This feature provides the ransomware file interception capability. You can import a detection model to update the ransomware file name extension.
D. This feature implements real-time ransomware detection. That is, it combines quick filtering of abnormal V/o behaviors with in-depth detection of underlying block device damage to detect whether data is attacked by ransomware.

Correct Answer: D
QUESTION 76
An industry customer has purchased several Huawei flash storage devices for service deployment. To improve service data reliability, an engineer configures the HyperReplication feature on the storage devices. If the engineer wants to modify the properties of a remote replication pair, which of the following commands

cannot be used?

A. change remote_replication synchronize
B. show consistency_group general
C. change hyper_metro_pair general
D. change hyper_metro_pair start

Correct Answer: BCD
QUESTION 77
A financial customer has purchased multiple Huawei OceanProtect Backup Storage devices for service data backup protection. Which of the following statements are false about the data reduction principle of OceanProtect Backup Storage?

A. In the data reduction process, backup data is divided into blocks of a fixed size based on its content for fixed-length deduplication.
B. The backup storage performs feature-based compression for different application data. After compression, the data can be directly written to disks without the need to perform any operations.
C. The backup storage can perform deduplication and compression for LUNs but not for file systems.
D. In the data reduction process, the system performs backup data preprocessing and then variable-length deduplication.

Correct Answer: BC
QUESTION 78
Huawei OceanStor Pacific series storage supports the volume-or snapshot-based clone feature. Which of the following statements is false about this feature?

A. Lossless performance: Based on the Row mechanism, the cone write performance is equivalent to the source volume write performance.
B. Cascading: Clones can be created based on clone volumes or snapshots of clone volumes in the storage system. A maximum of 64 cascading levels are supported.
C. Small storage space occupation: A clone generated by the storage system is not a full physical data copy, which does not occupy large storage space.
D. Quick generation: The storage system can generate a clone within several seconds to obtain the consistent copy of the source volume data.

Correct Answer: C
QUESTION 79
In Huawei flash storage, if you want to apply the HyperCDP feature to a LUN, you are advised to reserve 5% to 10% of the LUN capacity in the storage pool to which the LUN belongs for storing HyperCDP object data, and configure a protection capacity threshold for the storage pool to stop creating HyperCDP objects or even automatically delete HyperCDP objects when the storage pool capacity is insufficient.

A. TRUE

B. FALSE

Correct Answer: A
QUESTION 80
A government customer has purchased several Huawei flash storage devices for service deployment, and an administrator has configured the SmartVirtualization feature on the storage devices. Which of the following statements are false about SmartVirtualization?

A. When configuring offline takeover of a heterogeneous storage system from a third-party vendor, the administrator does not need to establish a logical connection between the local storage system and the heterogeneous storage system.
B. If the heterogeneous storage system is a Huawei device (excluding OEM devices), SmartVirtualization can be used only after a license is obtained for the heterogeneous storage system.
C. After this feature is configured, when an application server delivers a request to read data from external LUNs, the eDevLUNs on the local storage system read data from the external LUNs of the heterogeneous storage system after receiving the request.
D. If the heterogeneous storage system is a third-party storage system, the local storage system requires a license file.

Correct Answer: AB