In Keystone, the ownership of resources belongs to which of the following objects?
- A . Service
- B . Project
- C . Role
- D . User
Which of the following descriptions of Neutron virtual switches is incorrect?
- A . The virtual switch uses a virtual network card to connect to the physical switch
- B . A virtual switch connects a virtual network port to a physical network
- C . Virtual switches are usually installed on computing nodes and network nodes
- D . Virtual machine instances on the computing nodes and network elements on the network nodes are connected to the virtual switch
In Huawei Cloud Stack, which of the following components is responsible for providing the file output function for cloud service metering and billing?
- A . DNS
- B . SDR
- C . DMK
- D . CCS
As shown in the figure, which of the following services can store VM images and volume backups?
- A . Nova
- B . Keystone
- C . Heat
- D . Swift
Which of the following commands can convert the G1ance image from raw format to qcow2 format?
- A . gemu-img convert -s raw -d qcow2
- B . gemu-img convert -f qcow2 -0 raw
- C . gemu-img convert -s qcow2 -d raw
- D . gemu-img convert -f raw -0 qcow2
The user needs to use the cirrus_test image to start a new instance. The instance uses the test.nano specification, is accessed through the test_key key pair, and is named instance_test .
Which of the following commands can meet the user’s requirements?
- A . nova create instance_test –image cirrus_test –flavor test.nano –key-name test_key
- B . nova create instance_test –image cirrus test test key test.nano –flavor –key-name
- C . nova boot instance_test –image cirrustest test.nano –flavor –key-name test_key
- D . nova boot instance_test –image cirrus_test –flavor test.nano –key-name test_key
Which of the following statements about Swift data reliability is incorrect?
- A . Swift manages copies at a granularity of objects
- B . Each copy is stored in a different Zone
- C . The copy of the object is implemented through the copy of the Partition
- D . Swift creates a certain number of copies of each object
In Neutron, which of the following components is responsible for receiving and routing API requests to Plugin?
- A . Plugins
- B . Neutron Server
- C . Messaging Queue
- D . Agent
Huawei Cloud Stack uses FusionSphere OpenStack as the cloud platform. Which of the following descriptions of FusionSphere’s high reliability is wrong?
- A . Divide the physical network into multiple logical planes and isolate them using VLAN to ensure the reliability and security of data transmission.
- B . Management data is stored in primary and backup mode and backed up regularly to ensure data reliability.
- C . Management services are deployed in master-server mode to maximize business continuity.
- D . Management services are deployed in active-standby or load-sharing mode to eliminate single points of failure.
In Huawei Cloud Stack, when the administrator uses HCSU to upgrade IaaS cloud services, which of the following will be called?
- A . HCSD
- B . CPS _
- C . DMK
- D . Update Tool
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 . VHA
- B . CSBS
- C . CSDR
- D . VBS
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 performance
- B . Moderate performance
- C . Ultra high performance
- D . Normal performance
An enterprise deploys applications on Huawei Cloud Stack. From the perspective of cloud disk performance, which of the following is not a major indicator of cloud disk performance?
- A . Throughput
- B . Capacity
- C . Delay
- D . IOPS
In Huawei Cloud Stack, if multiple cloud servers in a VPC need to access the external network, which of the following cloud services can be used in conjunction with elastic IP?
- A . NAT gateway
- B . Network ACL
- C . DNS
- D . Security group
In Huawei Cloud Stack, in order to facilitate administrators to manage cloud resources in conjunction with the enterprise’s IT projects, enterprise projects can be created and the usage of the cloud resource pool by each department can be controlled through enterprise project quotas.
Which of the following roles cannot create enterprise projects?
- A . Secondary VDC Administrator
- B . Acting maintenance administrator
- C . Operations Administrator
- D . Level 1 VDC Administrator
Customer needs are to reduce operating costs, visualize data, and identify risks. In Huawei Cloud Stack, which of the following functions in the operation and maintenance scenario layer is most suitable?
- A . Operation and maintenance analysis
- B . Centralized monitoring
- C . Application Analysis
- D . Control Center
Which of the following descriptions of the Swift architecture is incorrect?
- A . The access layer mainly includes Proxy Node and Authentication
- B . The storage layer is responsible for the storage of object data.
- C . The storage layer can use Memcached (a high-performance distributed memory object caching system) to cache data and objects.
- D . Swift can be divided into an access layer and a storage layer architecturally.
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 itself
- C . Glance is responsible for the management of the virtual machine image life cycle
- D . Glance supports multiple ways to store images
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_NAME
- B . nova set-state–active INSTANCE_NAME
- C . nova set-state–active INSTANCE_ID
- D . nova reset-state–active INSTANCE_ID
Which of the following descriptions of Huawei Cloud Stack as a commercial solution is incorrect?
- A . Reliability, including overall reliability, data reliability and single device reliability
- B . Security, follow industry security regulations, design security protection, and ensure the safety of customer data centers
- C . Scalability. The resources supporting the data center need to be elastically scalable according to business application workload requirements. The IT infrastructure should be loosely coupled with the business system.
- D . Advanced, the open source OpenStack release version is synchronized twice a year to ensure that the latest open source OpenStack features are synchronized to the customer’s existing network environment
In Huawei Cloud Stack, a virtual machine in the cloud platform has a network interruption. As an operation and maintenance person, in order to troubleshoot and locate the root cause of the problem, which of the following tools or platforms is recommended to be the most suitable?
- A . Auto0ps
- B . eSight
- C . CloudNetDebug
- D . FusionCare
A company deploys a Web application in Huawei Cloud Stack, binds an elastic IP/NAT gateway to communicate with the network outside the cloud, and controls data traffic through security groups and network ACLs to ensure the security of the Web application. When traffic surges, in order to ensure Which of the following cloud service combinations is most suitable for the access experience of web applications?
- A . ECS+AS
- B . ECS+EVS
- C . ELB+AS
- D . DNSHELB
In Huawei Cloud Stack, which of the following descriptions about the value of application management is incorrect?
- A . Application management builds a full life cycle online service process around the application, opening up service application, usage and operation breakpoints
- B . Application management monitors and displays the running status, topology view, alarms, etc. of the application from a global business perspective, allowing intuitive, clear, and clear troubleshooting and automatic troubleshooting.
- C . Application management frees IT administrators from complex and repetitive configuration work such as resource creation and adjustment.
- D . Application management simplifies business personnel’s search for resources from massive resources to search for resources based on applications.
In Huawei Cloud Stack, which of the following does not belong to the daily operation and maintenance of ManageOne?
- A . Approval Process
- B . Backup management
- C . Automatic operation
- D . Health inspection
In Huawei Cloud Stack, which of the following descriptions about approval process management is incorrect?
- A . ManageOne does not support users using the approval process of external systems.
- B . The internal approval process supported by ManageOne includes simple process and graphical orchestration
- C . The approval process created by the operations administrator is globally visible
- D . The approval process created by the VDC administrator or acting administrator is visible in this VDC and subordinate VDCs.
Which of the following descriptions of OpenStack virtual machine instance migration conditions is correct?
- A . The virtual machine instance to be migrated must be powered off.
- B . The source node and target node must use shared storage
- C . The network between the source node and the target node must be interconnected
- D . The virtual machine instance to be migrated must be running
During the provisioning process of OpenStack virtual machine instances, which of the following descriptions of the status change process of provisioning tasks is correct?
- A . Scheduling – lock Device Mapping – Spawning – Networking – None
- B . Scheduling – Block Device Mapping – Networking – Spawning – None
- C . Scheduling – Networking – Spawning – Block Device Mapping – None
- D . Scheduling – Networking – Block Device Mapping – Spawning – None
In OpenStack, Nova does not include which of the following components?
- A . nova-api
- B . nova-conductor
- C . nova-scheduler
- D . nova-proxy
In OpenStack, which of the following is not considered persistent storage?
- A . Memory
- B . Swift
- C . Cinder
- D . NFS
In which form are Objects ultimately stored on physical nodes in Swift?
- A . Stream file
- B . RAW files
- C . Text file
- D . Binary files
The virtual network card of the OpenStack virtual machine instance is directly bound to which of the following Neutron objects?
- A . Network
- B . Subnet
- C . Router
- D . Port
In the Huawei Cloud Stack solution, which one of the following descriptions about FusionCare performing health inspections and log collection is incorrect?
- A . FusionCare supports cloud service inspection and base inspection
- B . The FusionCare health check part can check the health status of relevant nodes with one click and generate a health check report
- C . FusionCare health inspection and log collection only need to communicate with the External API and External OK plane at the same time
- D . FusionCare receives the logs uploaded by the Info-collect-client of each node through the External OM plane.
In the Huawei Cloud Stack solution, which of the following descriptions about FusionCare is incorrect?
- A . FusionCare is installed by Huawei Cloud Stack Deploy automation tool
- B . FusionCare can be logged in through ManageOne operation and maintenance center SSO jump
- C . FusionCare is deployed in active and standby mode and runs on PUB-SRV-03 and PUB-SRV-04 management virtual machines.
- D . FusionCare is deployed in stand-alone mode and runs on PUB-SRV-03
Huawei Cloud Stack uses FusionSphere OpenStack as the cloud platform to integrate the resources of various physical data centers and is based on the open OpenStack architecture. Which of the following descriptions of FusionSphere OpenStack is incorrect?
- A . FusionSphere OpenStack supports virtual machine, container management and heterogeneous virtualization converged management, but does not support bare metal management yet.
- B . FusionSphere OpenStack adopts SOA (Service 0riented Architecture) service-oriented architecture to facilitate the expansion and tailoring of functions according to user needs.
- C . FusionSphere OpenStack is built based on the itaka version of OpenStack, eliminating vendor lock-in and achieving openness in computing, storage, network, etc.
- D . FusionSphere OpenStack provides standard OpenStack API interfaces to facilitate docking and integration with third-party products.
In Huawei Cloud Stack, which of the following descriptions of the cloud resolution service Cloud DNS is incorrect?
- A . When the cloud server accesses internal cloud services such as OBS and resolves them through public DNS, the access delay is small and the performance is high.
- B . A domain name can be associated with multiple VPCs
- C . When the cloud server accesses internal services on the cloud such as OBS and resolves them through the intranet DNS, the access delay is small and the performance is high.
- D . Supports arbitrary customization of intranet domain names based on VPC
In Huawei Cloud Stack, which of the following is not an alarm handling mechanism?
- A . Alarm full processing rules
- B . Alarm dump rules
- C . Alarm merging rules
- D . Alarm discarding rules
In Huawei Cloud Stack, the information source for which of the following operations does not involve resource management (CMDB)?
- A . Data analysis
- B . Procurement information
- C . Project deployment
- D . Troubleshooting
In Huawei Cloud Stack, ManageOne provides a variety of global perspective analysis capabilities to support the business requirements of customers’ scenario-based analysis. Which of the following cannot meet the business requirements of customers’ scenario-based analysis?
- A . Capacity Analysis
- B . Idle Analysis
- C . Bottleneck analysis
- D . Application analysis
In Huawei Cloud Stack, the user found that the cloud hard disk I/O of an elastic cloud server was slow in reading and writing, and the virtual machine business operation was damaged. Which of the following troubleshooting methods is most suitable at this time?
- A . Health inspection
- B . Cloud platform fault diagnosis (call chain)
- C . ECS storage fault diagnosis
- D . ECS network fault diagnosis
As the most popular open source cloud operating system platform, OpenStack mainly provides which of the following cloud computing service models?
- A . IaaS
- B . PaaS
- C . DaaS
- D . SaaS
Use an administrator account to log in to the OpenStack interface. Which of the following is not an OpenStack interface element?
- A . Administrator
- B . Identity Management
- C . Project
- D . salesperson
In Keystone, which of the following is responsible for the API client to dynamically discover and locate the OpenStack service entry?
- A . Token
- B . Service
- C . Resource
- D . Catalog
Which of the following descriptions of nova-conductor functions is correct?
- A . Host the interaction between nova-compute and the database
- B . Filter and determine the computing node on which the virtual machine instance runs
- C . Receive and respond to API call requests initiated by end users on OpenStack computing resources
- D . Create and delete virtual machine instances through the Hypervisor API
In Huawei Cloud Stack, which of the following descriptions about users using existing images to create elastic cloud servers is wrong?
- A . Create an elastic cloud server using a data disk image
- B . Create an elastic cloud server using a shared image
- C . Create an elastic cloud server using a public image
- D . Use the system disk image to create an elastic cloud server
An enterprise built its own private cloud using Huawei Cloud Stack solution, and adopted the service center model recommended by Huawei Cloud Stack to match its own organizational structure. Which of the following is a matching object for the first-level VDC?
- A . Sub-department
- B . Department
- C . Enterprise
- D . Business system
In Huawei Cloud Stack, which of the following descriptions about unified backup management is incorrect?
- A . Under unified backup management, public components and FusionSphere are connected to the ManageOne operation and maintenance plane through Service OM.
- B . Unified backup management supports backing up public components, FusionSphere, FusionStorage, CloudDB, and CloudMiddlelare data to the SFTP server
- C . Unified backup management can simplify backup operations. There is no need to log in to each cloud service interface for backup, reducing operating hours.
- D . Under unified backup management, Huawei distributed storage connects to the ManageOne operation and maintenance plane through BCM
In Huawei Cloud Stack, which of the following descriptions about the EVS function of elastic cloud disks is incorrect?
- A . EVS supports elastic expansion
- B . EVS supports elastic scaling
- C . EVS supports flexible mounting/unmounting
- D . EVS supports snapshot function
In Huawei Cloud Stack, when the cloud server in the VPC needs to provide services to the external network, which of the following NAT gateway rules can be configured?
- A . HNAT
- B . QNAT
- C . DNAT
- D . SNAT
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 line
- B . Virtual Private Network
- C . Cloud connection
- D . Peer-to-peer connection
In Huawei Cloud Stack, the first-level VDC administrator cannot manage which of the following when logging into the ManageOne operation plane?
- A . Organization
- B . Application
- C . Report
- D . Resources
In Huawei Cloud Stack, which of the following descriptions about the value of automated jobs (Autoops) is incorrect?
- A . Supports decomposing complex orchestration operations into single operation and maintenance operations to simplify operations
- B . Execute script tasks in batches, support batch execution/arrangement of a large number of devices, and improve operation and maintenance efficiency.
- C . Built-in rich operation and maintenance operation library to directly meet daily operation and maintenance needs
- D . Provide a complete security control mechanism so that security policies can be defined in advance, security reminders can be provided during the event, and audits can be performed afterwards to avoid man-made operational security risks.
What is the function of the openStack command openstack server rebuild instance01?
- A . Re-create the instance from the current volume of the virtual machine instance instance01
- B . Re-create the instance from the current image of the virtual machine instance instance01
- C . Re-create the instance from the virtual machine instance instance01
- D . Re-create the instance from the current snapshot of the virtual machine instance instance01
Which of the following is the default gateway for a subnet in the 0penStack Neurton network?
- A . Subnet gateway address is dynamically assigned from DHCP
- B . The first IP address in the network address pool
- C . The last IP address in the network address pool
- D . Randomly select an IP address from the network address pool
In Huawei Cloud Stack, which of the following descriptions of the public components LVS, Ngin, and HAProxy is incorrect?
- A . HAProxy provides load balancing from the Console node to the Service node for cloud services.
- B . Nginx provides load balancing from the Console node to the Service node for cloud services.
- C . Nginx’s request for cloud services to provide load balancing cloud services from the Console node to the Service node will first be issued through LVS and forwarded to Nginx
- D . Nginx will forward the corresponding cloud service request to the cloud service Console
In Huawei Cloud Stack, which of the following public components can block some illegal requests and prevent the internal management API from being exposed?
- A . CCS
- B . Combination API
- C . API Gateway
- D . NTP
In Huawei Cloud Stack, which of the following types of storage can be used directly without mounting?
- A . EVS
- B . OBS
- C . SFS
- D . Local disk
In Huawei Cloud Stack, which one of the following descriptions of the interfaces of the ManageOne operation and maintenance center acquisition and control layer is wrong?
- A . Virtual machine in-band (os) performance indicators and call chain logs are collected and reported through the agent deployed on the host and management V.
- B . Hardware monitoring indicators, obtain performance data files through the SFTP protocol channel provided by eSight
- C . Cloud service tenant instance indicators. The cloud service reports tenant instance performance indicators to ManageOne through the RESTfu1 interface.
- D . Virtual machine out-of-band performance indicators (OS operation agent needs to be installed), OpenStack’s Ceilometer collects relevant indicators through virtualization (VRM), and then reports them to ManageOne
The entire Horizon page mainly consists of various Dashboards, PanelGroup, Panel, and overview interfaces. As shown in the figure, "Calculation" under "Project" corresponds to which of the following?
- A . Panel Group
- B . Dashboard
- C . Overview interface
- D . Panel
Which of the following statuses indicates that the Cinder volume has been successfully created but has not been mounted to any virtual machine instance?
- A . Active
- B . Not-used
- C . Available
- D . Running
In OpenStack, which of the following network types can encapsulate data packets into UDP packets for transmission?
- A . GRE
- B . VLAN
- C . VXLAN
- D . Flat
In the scenario where Huawei Cloud Stack deploys high-performance databases, which of the following types of disks is recommended for the elastic cloud server?
- A . Local disk
- B . Local direct disk
- C . VBD type cloud hard disk
- D . SCSI cloud disk
In Huawei Cloud Stack, when a user applies for an elastic file system service, which of the following component interfaces will be called by the SFS Console to deliver the request to the storage device?
- A . S3
- B . Manila
- C . Swift
- D . Cinder
In Huawei Cloud Stack, when using FusionCare for health inspection, which of the following does not support the issuance of inspection tasks?
- A . REST channel
- B . SSH tunnel
- C . FTP channel
- D . Agent channel
Which of the following is not a Glance image type?
- A . Hide
- B . Public
- C . Shared
- D . Private
Which of the following Nova components can run on both control nodes and compute nodes?
- A . Nova-Conductor
- B . Nova-API
- C . Nova-Compute
- D . Nova-Scheduler
Which of the following descriptions of the corresponding relationship between Port and Subnet in Neutron is correct?
- A . N: 1
- B . N: N
- C . 1:1
- D . 1: N
In Huawei Cloud Stack, which of the following descriptions of elastic file service SFS is incorrect?
- A . Users can manage the file system, including capacity adjustment, viewing, uninstalling, restoring, deleting file systems, etc.
- B . SFS can elastically scale up to TB size
- C . Before using elastic file service, you must create a file system
- D . After creating the file system, you need to mount the file system to the cloud server before it can be used.
In Huawei Cloud Stack, which of the following network cloud services cannot achieve interoperability between different Regions and different VPCs?
- A . Peer-to-peer connection
- B . Cloud connection
- C . Cloud dedicated line
- D . Virtual Private Network
In Huawei Cloud Stack, which of the following descriptions about the VDC levels supported by the first-level VDC administrator is correct?
- A . Levels 1 to 4
- B . Levels 1 to 5
- C . Levels 2 to 5
- D . Levels 2 to 6
In Huawei Cloud Stack, which of the following is not a metering and pricing function?
- A . Measurement report
- B . Account Management
- C . Service Pricing
- D . Monitor performance
Which of the following Cinder components is responsible for selecting the most suitable storage node for creating a volume?
- A . Cinder-Volume
- B . Cinder-Scheduler
- C . Cinder-Backup
- D . Cinder-API
In Huawei Cloud Stack, comprehensive monitoring refers to centralized monitoring of all alarms or the overall dimension of the data center.
Which of the following is not within the scope of comprehensive monitoring?
- A . Large screen monitoring
- B . Monitoring Dashboard
- C . Alarm monitoring
- D . Big data application monitoring
In Huawei Cloud Stack, which of the following descriptions of UVP VMTools functions is incorrect?
- A . UVP VMTools provides virtual machine internal information query function
- B . UVP VMTools can improve virtual machine IO performance
- C . UVP VMTools not only provides process communication channels to transmit data, but also processes data.
- D . UVP VMTools provides the ability to externally use the internal functions of the virtual machine
In Huawei Cloud Stack, if users want to check the creation status of ECS instances, which of the following public components can be used?
- A . TaskCenter
- B . HelpCenter
- C . OperationCenter
- D . API Gateway
In Huawei Cloud Stack, which of the following inspection methods is not supported?
- A . Manually inspect eSight
- B . DMK cloud service inspection
- C . Smartkit tool inspection
- D . FusionCare inspection
Which of the following configuration files defines the permissions of the OpenStack service role?
- A . policy.conf
- B . Policy.json
- C . keystone.policy.yaml
- D . keystone.Conf
Which of the following allows users to access an OpenStack virtual machine instance from an external network?
- A . Floating IP
- B . Local IP
- C . LB
- D . Security group rules
In Huawei Cloud Stack, which of the following descriptions of the relationship between the physical network, virtual network, and external network is incorrect?
- A . A physical network can be mapped with — a network card
- B . The virtual network is carried on the physical network. Multiple virtual networks can be created based on one physical network.
- C . The external network is a special virtual network, providing two types: VLAN and C LOCAL
- D . When the external network is a VLAN type, the traffic does not pass through the physical network
Which of the following descriptions of Ceilometer data management is incorrect?
- A . Polling Agent will regularly and proactively obtain the required measurement data from different remote or local service entities through various APIs or other communication protocols according to the configuration.
- B . The measurement data obtained by Polling Agent needs to be sent to Notification Bus, which converts them into Ceilometer samples or events.
- C . Alarm Evaluator will periodically check whether the relevant alarm conditions of other warnings (Alarm) other than event types are met.
- D . Alarm Notifier performs user-defined actions when the alarm conditions of the alarm are met.
In Huawei Cloud Stack, which of the following descriptions about shared cloud hard drives is incorrect?
- A . A single shared cloud disk can be mounted to multiple ECSs
- B . A single shared cloud disk cannot be mounted to ECS and BMS at the same time.
- C . A single shared cloud disk can be mounted to BMS in VBD mode
- D . A single shared cloud disk can be mounted to multiple BMSs
In Huawei Cloud Stack, Service OM is responsible for providing basic operation and maintenance capabilities for which of the following layer resources?
- A . laas
- B . SaaS
- C . DaaS
- D . PaaS
In Huawei Cloud Stack, which of the following is not a function of VDC self-operation and maintenance?
- A . Divide the organization
- B . Monitor performance
- C . Set threshold
- D . Subscribe to notifications
What is incorrect about the FusionCompute storage interface description?
- A . Currently, Huawei’s storage interfaces can support IPv4 protocol and IPv6 protocol.
- B . You can add host storage interfaces manually or add host storage interfaces in batches.
- C . Adding multiple storage interfaces can realize multi-path transmission of storage.
- D . Before adding FC-SAN storage, you need to add a storage interface.
Which of the following tools can be used to collect FusionAccess user virtual machine logs?
- A . eService
- B . Huawei vDesk
- C . FusionCare
- D . WinSCP
Which of the following is not a characteristic of a linked clone virtual machine?
- A . When the software of a virtual machine needs to be maintained, the operation must be performed on each virtual machine.
- B . Automatic shutdown and restoration can be achieved.
- C . Multiple desktop virtual machines of the same template share the same parent volume, and the parent volume can be upgraded and maintained uniformly.
- D . Each desktop virtual machine differential volume stores the difference from the parent volume.
Regarding FusionAccess system reinstallation and recovery, which of the following descriptions is incorrect?
- A . In the scenario of a single node failure of the system’s vAG/vLB server, copy the backed up vAG server and vLB server data to the newly created server, and perform the operation of restoring the server.
- B . In the scenario of a single node failure of the system’s Backup Server, create a new Backup Server and complete "Execute Backup Now" on the FusionAccess interface.
- C . In the scenario where a single node of the system’s primary or backup AD/DNS/DHCP server fails, copy the backup AD/DNS/DHCP server data to the new server and perform the operation of restoring the server.
- D . In the scenario of a single node failure of the system’s ITA/GaussDB/HDC/WI/License server, copy the backup data to the newly created server and perform the operation of restoring the server.
If the client sends a query message to the DNS server, and the message contains the "fa.hcip.com" parameter, what is the next action of the DNS server after receiving the query message?
- A . The DNS server sends a query request to the root domain name server.
- B . The DNS server sends a query request to the authoritative domain name server of the .hcip.com domain.
- C . The DNS server sends a query request to the authoritative domain name server of the .com domain.
- D . The DNS server checks its own cache.
As shown in the figure, when OpenStack creates a VM, which of the following services is not required?
- A . Heat
- B . Glance
- C . Nova
In OpenStack, Horizon does not support which of the following authentication methods?
- A . AAA
- B . Username and Password
- C . SAML
- D . LDAP
In OpenStack, the administrator needs to create a virtual machine instance using special software. It is found that there is currently no image that meets the requirements in G1ance, but there is already a local image that meets the conditions. Which of the following commands can upload the local image to Giance?
- A . glance image-input
- B . glance image-import
- C . glance image-upload
- D . glance image-create
In Huawei Cloud Stack, which of the following components has nothing to do with the ECS instance provisioning process?
- A . HAProxy
- B . DMK
- C . TaskCenter
- D . Combination API
In Huawei Cloud Stack, which of the following operations is completed on the Service OM interface?
- A . Configure host network port mapping
- B . Configure distributed block storage reuse ratio
- C . Configure the host group CPU reuse ratio
- D . Configure the host group memory reuse ratio
In Huawei Cloud Stack, Layer 2 bridging L2BR can provide high-speed and secure Layer 2 interoperability between VPC and network segments outside the cloud. Which of the following descriptions of L2BR capabilities is incorrect?
- A . L2BR supports layer 4-7 network capabilities
- B . L2BR can realize Layer 2 interoperability between the network segment outside the cloud and the same network segment subnet of the VPC within the cloud.
- C . L2BR can realize mutual access between hosts with the same IP inside and outside the cloud
- D . L2BR can realize Layer 3 interoperability between network segments outside the cloud and subnets of different network segments within the VPC within the cloud.
In Huawei Cloud Stack, which of the following descriptions about the use of private images is correct?
- A . Bare metal servers do not support creation using private images, but only support creation using public images.
- B . Expired private images can be used to apply for cloud disks, but cannot be used to apply for elastic cloud servers.
- C . Soft-deleted private images cannot be used to apply for cloud disks, but they can be used to apply for elastic cloud servers.
- D . Soft-deleted private images cannot be used to apply for bare metal servers, but can be used to apply for elastic cloud servers.
In the early stages of business development, a certain company built multiple systems to support business operation needs, but the data did not communicate with each other, forming a "chimney" business structure.
Currently, financial colleagues have put forward a demand to collect and summarize the daily new data of the four businesses A, B, C, and D into the E business system. Which of the following solutions cannot meet this demand?
- A . Use VPC-Peering to open up the network between systems and realize data flow
- B . Reconstruct the business logic to automatically synchronize the business data of A, B, C, and D to the E business system
- C . Use the service builder to create a collection and distribution service
- D . Use big data services to create collection and distribution tasks
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 . Ceilometer measures and monitors resources in FusionSphere OpenStack
- D . In FusionSph e re OpenStack, Nova is responsible for the management of virtual machine computing resources, and coordinates the management of storage, mirroring and network resources.
In Service OM, which of the following descriptions about creating an external network is incorrect?
- A . If the network type is "VLAN", the packets of the ECS created using this network will not enter the physical network.
- B . The external network used for Elastic IP can be used for VPN services at the same time
- C . If the network type is "LOCAL", the packets of ECS created using this network will not enter the physical network.
- D . Before creating an external network, it is recommended to first configure the VLAN or subnet for the user to create an external network on the switch.
In Huawei Cloud Stack, which of the following descriptions of the business approval process is incorrect?
- A . Both operation administrators and VDC administrators can define the approval process, but the visibility scope of the approval processes published by the two is different.
- B . When launching a service, you need to set the approval scope. Both operations administrators and VDC administrators can set the visibility scope.
- C . Operation administrators and VDC administrators have their own approval permissions by default. VDC salespeople can also be granted approval permissions through role changes and participate in the approval process.
- D . When launching the service, you need to set the approval scope. Only the operations administrator can set the visible scope.
In Huawei Cloud Stack, which of the following descriptions about automatic operations (AutoOps) is correct?
- A . AutoOps currently does not support management of management virtual machines of IaaS OpenStack resource pools.
- B . AutoOps currently supports direct installation of Agent for bare metal servers of all types of Windows and Linux operating systems
- C . AutoOps currently supports direct installation of Agent for virtual machines of all types of Windows and Linux operating systems
- D . AutoOps is currently in a single region (Region). The total number of agents that can be installed on elastic cloud servers and bare metal servers depends on the total physical resources.
Which of the following descriptions about Nova is incorrect?
- A . Nova relies on Keystone authentication service
- B . Nova supports management containers
- C . Nova includes Hypervisor
- D . Nova is not responsible for comprehensive monitoring of system status