In Huawei Cloud Stack, if users need to protect ECS and its bound disk data, which of the following cloud services is most suitable based on cost considerations?
In Huawei Cloud Stack, if users need to protect ECS and its bound disk data, which of the following cloud services is most suitable based on cost considerations?A . VHAB . CSBSC . CSDRD . VBSView AnswerAnswer: D
Which of the following commands is most suitable to convert the status of a virtual machine instance from Error to Active?
Which of the following commands is most suitable to convert the status of a virtual machine instance from Error to Active?A . nova reset-state--active INSTANCE_NAMEB . nova set-state--active INSTANCE_NAMEC . nova set-state--active INSTANCE_IDD . nova reset-state--active INSTANCE_IDView AnswerAnswer: D
As shown in the figure, when multiple cross-region VPCs on the cloud need to communicate, which of the following cloud services is most suitable?
As shown in the figure, when multiple cross-region VPCs on the cloud need to communicate, which of the following cloud services is most suitable? A . Cloud dedicated lineB . Virtual Private NetworkC . Cloud connectionD . Peer-to-peer connectionView AnswerAnswer: C
Huawei Cloud Stack uses FusionSphere OpenStack as the cloud platform. Which of the following descriptions of FusionSphere OpenStack is incorrect?
Huawei Cloud Stack uses FusionSphere OpenStack as the cloud platform. Which of the following descriptions of FusionSphere OpenStack is incorrect?A . Glance in FusionSphere OpenStack provides query, upload and download services for virtual machine images.B . In FusionSphere OpenStack, Horizon is responsible for the graphical display of various OpenStack functions.C...
In Keystone, which of the following is responsible for the API client to dynamically discover and locate the OpenStack service entry?
In Keystone, which of the following is responsible for the API client to dynamically discover and locate the OpenStack service entry?A . TokenB . ServiceC . ResourceD . CatalogView AnswerAnswer: A
In Huawei Cloud Stack, when the administrator uses HCSU to upgrade IaaS cloud services, which of the following will be called?
In Huawei Cloud Stack, when the administrator uses HCSU to upgrade IaaS cloud services, which of the following will be called?A . HCSDB . CPS _C . DMKD . Update ToolView AnswerAnswer: D
In OpenStack, which of the following descriptions about the role of Glance is incorrect?
In OpenStack, which of the following descriptions about the role of Glance is incorrect?A . Glance is responsible for creating snapshots of virtual machines, but is not responsible for backing up the state of virtual machines.B . Glance supports querying and obtaining image metadata and the image itselfC . Glance...
In Huawei Cloud Stack, which of the following descriptions of UVP VMTools functions is incorrect?
In Huawei Cloud Stack, which of the following descriptions of UVP VMTools functions is incorrect?A . UVP VMTools provides virtual machine internal information query functionB . UVP VMTools can improve virtual machine IO performanceC . UVP VMTools not only provides process communication channels to transmit data, but also processes data.D...
An enterprise's core database needs to support intensive access during peak application periods and meet the low latency (latency <1ms) requirements of relational databases. Which of the following disk types is most suitable?
An enterprise's core database needs to support intensive access during peak application periods and meet the low latency (latency <1ms) requirements of relational databases. Which of the following disk types is most suitable?A . High performanceB . Moderate performanceC . Ultra high performanceD . Normal performanceView AnswerAnswer: C
In OpenStack, Nova does not include which of the following components?
In OpenStack, Nova does not include which of the following components?A . nova-apiB . nova-conductorC . nova-schedulerD . nova-proxyView AnswerAnswer: D