Important Huawei H13-811_V3.5 Exam Questions

Answer: A

Explanation:

Option A is incorrect because it confuses full-access permissions with a read-only role. In Huawei Cloud IAM, a permission whose name contains FullAccess normally represents full or administrator-level permissions for the corresponding service. For example, IAMFullAccess provides full permissions for IAM operations rather than read-only access.

Huawei Cloud separately defines Tenant Guest as providing read-only permissions for cloud services other than IAM. This distinction is important in HCIA IAM authorization concepts: FullAccess and ReadOnlyAccess represent materially different privilege levels.

The remaining statements correctly describe Huawei Cloud authorization. IAM supports roles and policies as authorization mechanisms, with policies providing more fine-grained control. User groups provide an efficient way to authorize multiple IAM users: an administrator assigns permissions to a group and then places users in that group, after which the users inherit the group's permissions. Finally, an IAM user can perform only the cloud-service operations allowed by the permissions granted to that identity.

Thus, option A incorrectly assigns the behavior of a read-only permission model to FullAccess and is the required answer.

Reference topics: IAM Permissions; Roles and Policies; User Groups; FullAccess; Tenant Guest.

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Answer: A

Explanation:

The statement is true in the context of the HCIA cloud-computing architecture model. Cloud computing evolved from developments in computing, distributed systems, virtualization, networking, and Internet technologies. Most importantly, cloud services are consumed remotely, making network connectivity an intrinsic part of service delivery.

Huawei Cloud defines cloud services as IT capabilities delivered by cloud providers through the Internet or dedicated networks. These services include compute, storage, networking, security, database, middleware, O&M, big data, and AI resources. Users obtain and consume those resources remotely rather than requiring the underlying physical infrastructure to reside locally.

This dependence is architectural rather than merely convenient. An ECS, database, object-storage bucket, SaaS application, or cloud management interface has practical value to a remote user only if network connectivity exists between the consumer and the cloud environment. A private connection can replace Internet access in certain enterprise architectures, but that is still network connectivity.

Accordingly, the intended HCIA principle is that cloud computing and networking are inseparable: network access forms the communication foundation through which cloud resources are delivered and consumed.

Reference topics: Cloud Computing Fundamentals; Network Access; Cloud Service Delivery; Internet and Dedicated Networks.

Answer: A, B, C

Explanation:

Options A, B, and C are consistent with the fundamental characteristics and enabling technologies of cloud computing. Cloud platforms are designed to make resources elastic. Huawei Cloud Auto Scaling, for example, dynamically adds or removes ECS instances and adjusts related resources according to actual workload demand. Dynamic resource scaling is therefore a core practical capability of cloud computing.

On-demand deployment is also fundamental. Huawei Cloud's Cloud Adoption Framework explains that cloud resources can be provisioned, adjusted, and scaled rapidly without the traditional procurement and installation cycle associated with physical infrastructure. This allows organizations to create computing environments when needed and release them when demand decreases.

Virtualization is another important enabling technology. It allows physical computing resources to be abstracted, pooled, isolated, and efficiently shared among multiple workloads. Huawei Cloud specifically identifies virtualization and resource pooling as mechanisms that improve physical-resource utilization.

Option D is incorrect. A defining cloud characteristic is that the provider assumes responsibility for substantial portions of infrastructure construction and maintenance. The exact customer/provider boundary varies between IaaS, PaaS, and SaaS, but customers do not maintain all resources.

Reference topics: Cloud Computing Characteristics; Elasticity; On-Demand Provisioning; Virtualization; Shared Responsibility.

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Answer: B

Explanation:

The statement is FALSE. Although an ECS group does logically organize ECS instances, its placement behavior is the opposite of what the second sentence states. Huawei Cloud ECS groups support the anti-affinity policy, which is designed to place ECS instances belonging to the same group on different physical hosts.

Anti-affinity is an availability and fault-isolation mechanism. If multiple application instances were placed on one physical server, failure of that host could simultaneously disrupt every application instance. Distributing the ECSs across different hosts reduces this correlated-failure risk and improves service reliability, high availability, and disaster tolerance.

Huawei's ECS documentation explicitly states that ECS groups support the anti-affinity policy and that ECSs in an anti-affinity group are deployed on different hosts. When an existing ECS is added to such a group, Huawei Cloud may even reallocate its host so that the placement requirement can be maintained.

Therefore, the first proposition---an ECS group logically groups ECSs---is valid. However, the assertion that ECSs in that group are created on the same physical server by default contradicts the anti-affinity design. Since the overall statement contains this incorrect condition, the correct answer is FALSE.

Reference topics: ECS Groups; Anti-Affinity Policy; Host Placement; High Availability.

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Answer: A, B, C, D

Explanation:

All four operations are supported management actions for Huawei Cloud RDS instances, subject to the applicable database engine, instance type, current status, and other service constraints.

Changing the failover priority is supported for primary/standby RDS deployments. Huawei allows administrators to prioritize either Reliability, which emphasizes data consistency, or Availability, which emphasizes service continuity during failover.

Deleting a DB instance is a standard lifecycle-management operation available to appropriately authorized users. Huawei's RDS permission model includes the rds:instance:delete action for this purpose.

Scaling up storage space is likewise an established RDS modification operation. Administrators can increase allocated storage when database capacity requirements grow, and supported database engines can also provide storage autoscaling options.

Finally, rebooting a DB instance is a supported administrative action used when configuration changes, troubleshooting, or other operational circumstances require an instance restart. Huawei's CTS integration explicitly identifies both scaling storage and restarting an instance as auditable RDS operations.

Huawei's RDS API catalog lists deleting, scaling storage, rebooting, and changing failover priority as supported instance-management operations.

Reference topics: RDS Instance Management; Failover Priority; Storage Scaling; DB Instance Reboot; DB Instance Deletion.