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| Section | Objectives |
|---|---|
| Huawei Cloud O&M Solution | - Monitoring, logging, and operational best practices - O&M strategies and Huawei Cloud operations tools |
| Cloud Native Application Architecture Design | - Huawei cloud native services and solutions - Container and serverless design patterns - Cloud native technologies and microservices design |
| Cloud-based Architecture Design of Conventional Applications | - Storage and Object Storage Service (OBS) - Compute service planning and Elastic Cloud Server (ECS) - Database service planning and migration - Cloud security service planning and design - Network design and Virtual Private Cloud (VPC) |
| Huawei Cloud Innovations and Solutions | - Emerging architecture solution practices - Innovative services overview (EI, IoT, data solutions) |
| Enterprise Application Architectures and Cloud Technologies | - Enterprise application architectures fundamentals - Cloud technology concepts and Huawei Cloud overview |
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NEW QUESTION # 17
Which of the following cloud resources can Cloud Eye monitor?
Select all that apply.
Answer: A,B,D
Explanation:
"Cloud Eye is a multi-dimensional resource monitoring service. It monitors resource utilization, track the status of cloud services, and includes configurable alarm rules and notifications, to help users quickly respond to any changes when they happen."
"RDS, OBS, and DMS monitoring: Cloud Eye monitors the usage and performance of databases, storage, and other resources." Huawei source: Training PDF pp. 589, 593-594; current Cloud Eye documentation Technical Deep Dive Cloud Eye supplies multi-dimensional monitoring for Huawei Cloud resources and associated services.
Option A is correct because OBS storage metrics can be monitored, allowing teams to observe storage behavior and performance. Option C is correct because RDS and other database services expose monitoring metrics that help identify resource constraints and abnormal operation. Huawei's V3.5 course explicitly illustrates RDS and OBS monitoring in an e-commerce architecture.
Option D is a supported monitoring capability in the intended course classification: WAN quality and related network/website availability can be observed using Cloud Eye's applicable monitoring functions. However,
'WAN quality monitoring' is a capability, not a separately provisioned cloud resource comparable to an OBS bucket or RDS instance. The stem should therefore ask which resources or monitoring capabilities Cloud Eye supports.
Option B requires a product-boundary distinction. Detailed container, pod and Kubernetes workload observability is principally supported by CCE-integrated Prometheus and Application Operations Management. Cloud Eye can monitor underlying ECS nodes, EVS storage and network resources that form a CCE environment, but the course does not present direct comprehensive CCE workload observability as the same generic cloud-service monitoring category. This is why the previous answer key excludes B. In practice, enterprises should use Cloud Eye for infrastructure/resource metrics and AOM or Prometheus for container workloads and application-level telemetry, correlating results as appropriate. The intended answer is A, C and D, with the resource-versus-capability wording warning retained.
NEW QUESTION # 18
Database availability can be improved by using backups. Which of the following statements about database backups is false?
Answer: D
Explanation:
"By execution mode: automated backups (generated automatically based on backup policies) and manual backups (triggered by users)."
"By backup region: same-region backups (stored in the same region) and cross-region backups (stored in regions other than the current region)."
"By data volume: full backups and incremental backups."
Huawei source: Training PDF p. 289
Technical Deep Dive
Huawei V3.5 classifies database backups along three dimensions: execution mode, backup region and included data volume. Option B is true because same-region backups are stored in the source database's region, while cross-region copies are stored in a different region. Option C is true because backups can be automated under configured policies or initiated manually by an administrator. Option D is true because a full backup captures all selected data at a point in time while an incremental backup captures changes since a previous backup.
Option A is false according to the classification stated in the course. Relational and non-relational identify database data models, not a backup-method classification. A relational database and a document database may each have backups, but this does not transform relational/non-relational into a named backup execution or storage class.
Backups help recovery after accidental deletion, corruption and some types of attack. Their usefulness depends on retention periods, recovery testing, encryption, access controls and an appropriately chosen backup frequency. Incremental recovery may depend on a complete chain of prior backups; manual backups may have different retention rules from automatic backups. An important architectural distinction is that backups are not equivalent to continuous high availability: a standby replica can help preserve service during a node failure, whereas a backup is used to restore a prior data state. Production designs should define RPO and RTO, recovery steps and regional resilience. Therefore A is uniquely false under Huawei's V3.5 backup taxonomy.
NEW QUESTION # 19
Data Replication Service (DRS) is an easy-to-use, stable, and efficient cloud service for online database migration and real-time database synchronization. Which of the following functions does DRS support?
Select all that apply.
Answer: B,C,D
Explanation:
"DRS simplifies data transmission between cloud databases and effectively reduces data transmission costs.
You can use DRS to migrate data between databases quickly to meet your service requirements."
"DRS provides multiple functions, including real-time migration, backup migration, real-time synchronization, data subscription, real-time disaster recovery, and workload replay." Huawei source: Training PDF p. 324 Technical Deep Dive Huawei Data Replication Service (DRS) supports several named database data-movement functions. Option A
, real-time disaster recovery, is correct because supported deployments can continuously synchronize database changes to a recovery destination. Option B , real-time migration, is correct because DRS can transfer databases while the source continues serving workloads, with appropriate final cutover controls. Option D , backup migration, is correct because a supported backup can be exported and uploaded to OBS or another supported location and restored to a destination database through the DRS workflow.
Option C is not a separate named DRS function in the Huawei V3.5 list. 'Asynchronous migration' may refer informally to underlying data-transfer behavior, but the official product categories include real-time migration, backup migration, real-time synchronization, data subscription, real-time disaster recovery and workload replay. An implementation technique must not be mistaken for an independently listed feature.
Production database migration involves pre-checking source and target engine versions, establishing network and security access, configuring appropriate accounts, verifying schema compatibility, tracking full-load transfer, monitoring incremental replication and validating final consistency. Real-time DR requires distinct recovery procedures and testing to ensure that a standby database can serve the workload after failure.
Workload replay is another DRS capability that can simulate source database activity on a target for compatibility or performance assessment. Architects should not conflate these modes or assume any engine can migrate to every destination. The official taxonomy directly supports A, B and D.
NEW QUESTION # 20
ServiceStage is an all-in-one enterprise application management and O & M platform. Which of the following statements about ServiceStage are correct?
Select all that apply.
Answer: A,B,C,D
NEW QUESTION # 21
Elastic Load Balance (ELB) provides dedicated and shared load balancers. Which of the following statements about shared load balancers is false?
Select all that apply.
Answer: B,C
Explanation:
"Transfer Client IP Address is enabled for Layer 7 listeners by default. You do not need to manually enable it."
[Supporting description] Enabling Transfer Client IP Address for Layer 4 listeners preserves the client source IP rather than translating it to the 100.125.0.0/16 range.
Huawei source: Training PDF p. 166
Technical Deep Dive
The question asks which statements about shared Elastic Load Balance are false. Option B is false because client-IP transfer behavior is not enabled in the same way by default for both Layer 4 and Layer 7 listeners.
The Huawei V3.5 slide specifically states that Transfer Client IP Address is enabled by default for Layer 7 listeners; Layer 4 source-address preservation depends on the relevant listener setting.
Option D is also false. It reverses the behavior of enabling Transfer Client IP Address for a supported Layer 4 shared listener. When preservation is enabled, the backend receives the original client source address instead of a translated source address from the 100.125.0.0/16 range. Option A describes the shared ELB source- translation behavior when client-IP preservation is not applied and is generally true in the course context.
Option C is true because backend security groups and network ACLs must permit load balancer requests and health-check traffic.
Client identity matters for auditing, geographic restrictions, rate limiting and incident analysis. For Layer 7 HTTP and HTTPS forwarding, applications may also use an X-Forwarded-For header to identify the originating client, but this is not the same as packet-level source-IP preservation. Engineers must configure trust boundaries around such headers so that arbitrary client-supplied values are not accepted as authoritative.
The curriculum explicitly supports B and D as the false claims.
NEW QUESTION # 22
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