QUESTION 21
The feature of the OceanStor Pacific series enables frequently accessed data to be stored in NVMe SSDs, ensuring the response speed to hotspot data access.
Correct Answer: SmartCache
QUESTION 22
After purchasing a Huawei OceanStor Dorado series storage system, a customer needs to configure basic storage services in the storage system. Which of the following operations are optional in the basic service configuration?
A. Creating a LUN group
B. Creating a mapping
C. Configuring connectivity between a host and the storage system
D. Creating a port group
Correct Answer: BD
QUESTION 23
Huawei OceanProtect Appliance provides strong data protection capabilities. Which of the following statements is true about the functional architecture of the Appliance?
A. During data protection, the Appliance can protect application data without backup agents.
B. File system management and protocol access are implemented by the data protection layer.
C. DataEnable Engine is a data enabling module for global search and data anonymization.
D. ProtectManager is a data flow module that performs data backup, restoration, replication, archive, and copy mounting.
Correct Answer: C
QUESTION 24
In Huawei flash storage, NFS shares support lightweight directory access protocol (LDAP) authentication, network information service (NIS) authentication, and local user authentication.
A. TRUE
B. FALSE
Correct Answer: B
QUESTION 25
An industry customer has purchased several Huawei flash storage devices for service deployment. During routine operation and maintenance, an engineer discovers that an intra-disk data integrity field (DIF) problem occurs in the storage system. The problem may be caused by hardware errors such as memory and CPU errors or software bugs.
A. TRUE
B. FALSE
Correct Answer: A
QUESTION 26
In a remote replication scenario, in the event of a fault or power failure of the secondary end, what is the impact on the remote replication?
A. Services on the primary end are not affected, but the remote replication relationship is interrupted.
B. The primary end stops providing services, and the remote replication relationship is interrupted.
C. The primary end stops providing services, but the remote replication relationship remains unchanged.
D. The primary end becomes the secondary end, and the new primary end initiates a request to re-establish a remote replication relationship.
Correct Answer: A
QUESTION 27
When delivering a Huawei flash storage project, an engineer introduced the SAN/NAS integrated architecture to the customer. Which of the following statements is false about the architecture?
A. The protocol layer is responsible for protocol parsing and permission management. SAN and NAS are two sets of semantic logic. Therefore, different service entry components are used.
B. The software architecture consists of the following layers from top to bottom: protocol, data service, cache, file and block space management, and storage pool.
C. The space management layer uses the active-active high reliability mode to provide reliable data protection capabilities based on actual service scenarios of customers.
D. At the protocol layer, NFS/CIFS supports direct TCP offload engine (DTOE), while iSCSI does not.
Correct Answer: D
QUESTION 28
The scale-out storage system supports cabinet-level security. That is, N data blacks and M parity blocks are stored in different cabinets. If M nodes or M disks are faulty, the system can still read and write data without service interruption or data loss. If M cabinets are faulty, services may be interrupted.
A. TRUE
B. FALSE
Correct Answer: B
QUESTION 29
A financial customer has purchased a Huawei OceanStor Dorado series storage system for service deployment. To ensure service data reliability, an engineer configures the HyperClone feature on the storage system. Which of the following statements about this feature are false?
A. This feature provides a full copy of the source LUN’s data at the synchronization start time. Hosts can read and write the target LUN immediately, without waiting for the copy process to complete.
B. A source LUN and a target LUN form a HyperClone pair, and a source LUN cannot form multiple HyperClone pairs with different target LUNs.
C. There are significant differences between clone blocks and clone file systems. The former is implemented based on the redirect-on-write (ROW) technology, while the latter is implemented based on the copy-on-write (COW) technology.
D. This feature synchronizes data from the source LUN to the target LUN and can also restore data from the target LUN to the source LUN.
Correct Answer: BD
QUESTION 30
Huawei backup storage OceanProtect can be classified into all-flash and HDD forms. Which of the following statements are false about OceanProtect in HDD form?
A. OceanProtect X8000 is an entry-level backup storage system. A single node is 2 U high and supports a maximum of four controllers.
B. OceanProtect X6000 is a mid-range backup storage system. A single node has two controllers, and the maximum available capacity of the system is 300 TB.
C. Oceanprotect X3000 is a high-end backup storage system. A single node has four controllers and is 2 U high.
D. OceanProtect X9000 is a high-end flagship backup storage system. A single node has four controllers, and the maximum physical backup bandwidth of the system is 155 TB/hour.
Correct Answer: AC
QUESTION 31
If a Huawei scale-out storage device is powered on and the power policy stipulates that the device does not start working upon power-on, the storage device will not automatically start up after it connects to a power supply. In this case, you need to press the power button on the front panel of the storage device to start it.
A. TRUE
B. FALSE
Correct Answer: A
QUESTION 32
Assume a financial customer purchases several Huawei OceanStor Dorado series storage devices for service deployment. To configure Syslog alarm notification in the storage systems, certificate verification must be configured; otherwise, the storage systems cannot report alarms.
A. TRUE
B. FALSE
Correct Answer: B
QUESTION 33
When the IP address of the management network port for Huawei flash storage is modified, the IP address of the management network port and that of the maintenance network port cannot be in the same network segment. Otherwise, there will be a route conflict.
A. TRUE
B. FALSE
Correct Answer: A
QUESTION 34
If the location indicator is steady on for the main storage disk module on the front panel of a Huawei OceanStor Pacific 9950 storage device, this indicates the main storage disk module is being located. After the location is complete, the indicator blinks.
A. TRUE
B. FALSE
Correct Answer: A
QUESTION 35
Assume a financial customer purchased several Huawei OceanStor Pacific 9950 storage devices for service deployment. After hardware is installed, an engineer needs to install software for the DPC scenario.
Which of the following statements are true about installation and deployment operations?
A. Before adding a data cluster module, the engineer needs to obtain and load a license to the storage system.
B. On the wizard UI, the engineer needs to configure the IP addresses for the data cluster module and iBMC of the node.
C. Before adding a data cluster module, the engineer must install the Message Passing Interface (MPI) framework.
D. During LLD configuration, the engineer must use SmartKit to initialize nodes, upgrade firmware, and install the OS.
Correct Answer: ABD
QUESTION 36
Assume an enterprise customer purchased several Huawei flash storage devices for service deployment. An engineer needs to configure Syslog notification on the storage system. Which of the following statements are false about configuration operations?
A. To view the display format of Syslog content, the engineer can run the “show notification syslog” command.
B. During the configuration, the engineer needs to configure the SNMP protocol and USM users in the storage system for receiving and querying system alarms.
C. If certificates and CA certificates are generated on the Syslog server, the engineer does not need to perform any operation in the storage system.
D. To change the display format of Syslog content to CEF, the engineer can run the “change syslog-notification format_ type=cef” command.
Correct Answer: ABCD
QUESTION 37
Assume a government office purchases a Huawei OceanStor Pacific 9550 storage device. During an inspection, an engineer notices the LAN on motherboard (LOM) optical port indicator on the rear panel of the device is steady yellow. This indicates that data is being transmitted at a rate of 25 Gbit/s.
A. TRUE
B. FALSE
Correct Answer: B
QUESTION 38
An engineer needs to install the hardware of a Huawei flash storage device. Which of the following statements is true about hardware installation?
A. If the flash storage device is a mid-range or entry-level flash storage device, the engineer needs to use the installation template to determine the device installation positions after removing filler panels from the cabinet.
B. If the flash storage device is a high-end flash storage device, the engineer needs to connect the ground cable of the cabinet before the external power cable, and install the cabinet after the connection is complete.
C. When removing filler panels from a cabinet, the engineer needs to use flat-head screwdrivers and floating nut hooks to remove M6 screws from filler panels.
D. When connecting cables of the flash device, the engineer needs to connect AC power cables to the same independent power supply to ensure cable redundancy.
Correct Answer: A
QUESTION 39
In a flash storage system, the ports of the cascading interface module or onboard cascading ports on the controller enclosure can only connect to port P1 on the disk enclosure.
A. TRUE
B. FALSE
Correct Answer: B
QUESTION 40
Assume a scientific research industry customer purchased several Huawei OceanStor Pacific series scale-out storage devices for service deployment, and an engineer has configured the file service in the Distributed Parallel Client (DPC) scenario on the storage devices. To meet high performance requirements of front-end services, the engineer wants to enable the CPU performance mode for the DPC node using the CLI. Which of the following commands can be used to enable the CPU performance mode?
A. change service ndmp_restart service
B. cpupower frequency-set -g performance
C. change pms converged_qos_policy
D. cpupower frequencv-info
Correct Answer: B