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In Huawei Cloud Stack, which of the following MRS service components can support real-time access of messages from a large number of cars?
In Huawei Cloud Stack, which of the following MRS service components can support real-time access of messages from a large number of cars?A . SparkB . KafkaC . HDFSD . HbaseView AnswerAnswer: B
Which of the following descriptions about Huawei Cloud Stack computing resource expansion is wrong?
Which of the following descriptions about Huawei Cloud Stack computing resource expansion is wrong?A . If you use Huawei CloudStack Deploy to expand capacity, the cbs-server component will be stopped during the pre-expansion check phase. At this time, a "component failure" error will be reported. The component details are cbs-server,...
In Huawei Cloud Stack, the virtual machine HA is stuck in the intermediate state for a long time and cannot be automatically recovered. Which of the following descriptions of possible causes of the failure is wrong?
In Huawei Cloud Stack, the virtual machine HA is stuck in the intermediate state for a long time and cannot be automatically recovered. Which of the following descriptions of possible causes of the failure is wrong?A . Host management network abnormalityB . Restart the nova-compute serviceC . RabbitMQ service loses...
Which of the following is not a pre-operation before Huawei Cloud Stack expansion?
Which of the following is not a pre-operation before Huawei Cloud Stack expansion?A . DMK account password verificationB . OpenStack management node password checkC . Check the password of the administrator of ManageOne operation interfaceD . FusionSphere public virtual machine password checkView AnswerAnswer: C
In Huawei Cloud Stack, which of the following understandings about Huawei Cloud resource expansion is wrong?
In Huawei Cloud Stack, which of the following understandings about Huawei Cloud resource expansion is wrong?A . When adding new nodes, if the number of nodes exceeds the upper limit of the current management scale, you need to expand the management scale first, and then add new nodes.B . When...
Which of the following descriptions of the Region concept in Huawei Cloud Stack is wrong?
Which of the following descriptions of the Region concept in Huawei Cloud Stack is wrong?A . Region belongs to the regional concept of L0 layer, that is, geographical areaB . The management planes in the region are interconnected, and some high-security services can be deployed in a separate region.C ....
A bank deployed CBH service in Huawei Cloud Sack for resource management and management audit. When the bank administrator logged into the cloud bastion system for daily operation and maintenance, the connection with the bastion was interrupted. After checking the system error code, it was prompted that "the user connection was forcibly disconnected". Which of the following operations cannot effectively help the administrator locate the cause of the failure?
A bank deployed CBH service in Huawei Cloud Sack for resource management and management audit. When the bank administrator logged into the cloud bastion system for daily operation and maintenance, the connection with the bastion was interrupted. After checking the system error code, it was prompted that "the user connection...
The cloud computing era has brought challenges to the operation and maintenance of traditional data centers. Operation and maintenance personnel will face a surge in business volume and ever-changing business models. Which of the following descriptions of the functions that enterprise I operation and maintenance needs to achieve is wrong?
The cloud computing era has brought challenges to the operation and maintenance of traditional data centers. Operation and maintenance personnel will face a surge in business volume and ever-changing business models. Which of the following descriptions of the functions that enterprise I operation and maintenance needs to achieve is wrong?A...
Which of the following does not belong to the operation and maintenance role of Huawei Cloud Stack?
Which of the following does not belong to the operation and maintenance role of Huawei Cloud Stack?A . System AdministratorB . Southbound AdministratorC . Security AdministratorD . Security AuditorView AnswerAnswer: B
In Rainbow migration, which of the following descriptions about the destination virtual machine is wrong?
In Rainbow migration, which of the following descriptions about the destination virtual machine is wrong?A . When selecting the destination virtual machine, you must select the correct port group for the network card, otherwise the destination virtual machine will not be able to connect after configuring the IP.B . The...
