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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Cloud Native Application Architecture Design | 30% | - Container and orchestration technology - Serverless architecture design and application scenarios - Cloud native concepts and technologies - Microservice architecture design and practice
|
| Topic 2: HUAWEI CLOUD O&M Solution | 10% | - Automated operation and maintenance - Fault diagnosis and recovery mechanism - Log management and analysis - Cloud monitoring and alerting system |
| Topic 3: HUAWEI CLOUD Innovations and Solutions | 5% | - Huawei Cloud ecosystem and tools - Industry solutions and best practices - Emerging technologies integration (AI, Big Data, IoT) |
| Topic 4: Cloud-based Architecture Design of Conventional Applications | 50% | - Security architecture design on cloud
- Cloud resource planning and design principles
|
| Topic 5: Enterprise Application Architectures and Cloud Technologies | 5% | - Evolution of enterprise application architectures - Core characteristics and value of cloud computing - Cloud service models and deployment models |
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NEW QUESTION # 26
Scalable File Service (SFS) supports general-purpose file systems that provide users with scalable, high- performance file storage. Which of the following statements regarding general-purpose file systems are true?
Select all that apply.
Answer: A,C,D
Explanation:
"SFS provides scalable, high-performance NAS file storage and supports shared file access from multiple ECSs, BMSs, and containers running on CCE and CCI."
"General-purpose file systems require a VPC endpoint for mounting, whereas SFS Turbo does not."
[Course note] SFS supports NFS client mounting on Linux ECSs.
Huawei source: Training PDF pp. 222-226; official SFS documentation
Technical Deep Dive
Huawei SFS delivers managed shared file storage that ECSs and other supported compute resources can mount over network file protocols. General-purpose SFS differs from SFS Turbo in several provisioning and connectivity details. Option A is true within the course's model: general-purpose file systems are not assigned a default fixed maximum capacity, although service limits and user-configured quotas may still apply. Option C is true because the course states that general-purpose file systems require a VPC endpoint for mounting, whereas SFS Turbo follows another network-access model.
Option D is true. Linux instances require compatible NFS client software to mount NFS-based filesystems.
On a RHEL-compatible host, for example, nfs-utils provides utilities needed for NFS mounting; the exact package command depends on the operating system. Option B is false because although a file system should be unmounted before deletion and the Huawei deletion requirements must be satisfied, restarting the entire OS is not a prerequisite.
SFS is suitable for shared application content, web attachments and workloads that need a filesystem interface from multiple ECSs. A common troubleshooting sequence checks the NFS client packages, VPC endpoint or mount connectivity, DNS, route tables, security groups and NFS protocol version. For deletion, remove files and ensure there are no active mounts or required dependencies. The correct true statements are A, C and D.
The question should not imply every SFS file system is unlimited in every operational sense.
Technical commands / calculations from the reviewed batch
sudo dnf install -y nfs-utils
sudo mkdir -p /mnt/shared
sudo mount -t nfs -o vers=3 < NFS_SERVER > :/ /mnt/shared
df -Th
NEW QUESTION # 27
A customer purchased a general computing-plus Elastic Cloud Server (ECS) with the c9.xlarge.2 flavor on Huawei Cloud. This indicates that the ECS has 4 vCPUs and 16 GiB of memory.
Answer: B
Explanation:
"A flavor name usually consists of the instance family and generation, instance size, and memory/vCPU ratio."
[The naming slide] The xlarge designation represents four vCPUs, and the suffix .2 specifies a memory-to- vCPU ratio of two GiB per vCPU.
Huawei source: Training PDF p. 57
Technical Deep Dive
The flavor c9.xlarge.2 follows Huawei's naming convention. The c9 prefix identifies a general computing- plus ECS family, xlarge denotes four vCPUs, and the final .2 specifies two GiB of memory per vCPU. The instance therefore has four vCPUs and eight GiB of RAM, not 16 GiB. The correct answer is FALSE, option B.
An ECS with four vCPUs and 16 GiB would need a ratio of four GiB per vCPU, commonly indicated by a .4 suffix if a corresponding flavor is offered. Failing to interpret the suffix leads to predictable capacity mistakes.
For example, a Java application with a 12 GiB heap plus operating-system overhead cannot safely fit in an instance with only eight GiB of memory, even if its CPU requirement is within four vCPUs.
Huawei Cloud architects must check more than the core and memory totals: memory working sets, CPU peaks, network packet rates, EIP limits, disk IOPS and throughput can all determine application performance.
Correct flavor selection also depends on regional availability and the workload's operating system. General computing-plus infrastructure may offer high-performance virtualized I/O, but hardware optimizations do not increase the memory stated by the flavor naming rule. The question's arithmetic is unambiguous: four multiplied by two equals eight GiB, so the claim of 16 GiB is false.
Technical commands / calculations from the reviewed batch
4 vCPUs ร 2 GiB/vCPU = 8 GiB RAM
NEW QUESTION # 28
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: A,B,C
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 # 29
Cloud Operations Center (COC) is a secure and efficient platform that provides one-stop intelligent O & M.
COC supports deterministic operations on Huawei Cloud through features including change management and batch O & M. It makes cloud-based O & M more mature and efficient while preserving security and compliance.
Answer: B
Explanation:
"Cloud Operations Center (COC) is a secure, efficient platform capable of one-stop intelligent O & M. COC supports deterministic operations on Huawei Cloud with features such as change management and batch O &
M. It makes cloud-based O & M more mature and efficient, while maintaining security and compliance." Huawei source: Training PDF p. 624 Technical Deep Dive Cloud Operations Center (COC) is Huawei's centralized platform for secure, efficient and standardized operational management. The official V3.5 course describes one-stop intelligent O & M, change management and batch operations, so the statement is TRUE, option A. Traditional cloud operations can become fragmented when administrators must check many separate interfaces and manually repeat the same commands across dozens of resources. COC helps standardize those workflows and improve visibility.
Change management controls the lifecycle of operational changes, including planning, authorization, execution and traceability. Batch O & M allows supported tasks to be applied to multiple resources under an appropriate operation policy. Deterministic operations emphasize well-defined, repeatable procedures with predictable inputs, execution stages and observable outcomes. The intent is to reduce errors and the amount of ad hoc manual intervention.
For example, a scheduled change may require running a validated maintenance procedure across a group of ECS instances. COC can coordinate execution and provide an operational record, whereas separate monitoring platforms supply health information. Huawei integrates or complements Cloud Eye, AOM and LTS for metrics, application telemetry and logs. Security and compliance still require good authorization boundaries, approval policies, audit retention and safe operational scripts; the platform does not automatically make a risky script safe. The course explicitly characterizes COC as improving O & M maturity, efficiency, security and compliance. Both sentences in the exam statement align with those descriptions, supporting A without material ambiguity.
NEW QUESTION # 30
Each EIP can be associated with only one cloud resource at a time, and the EIP and that resource must be in the same Region.
Answer: B
Explanation:
"An EIP and its bound cloud resource must be in the same region."
[Supporting description] One EIP can be associated with only one supported cloud resource at a time; global EIP has different association capabilities.
Huawei source: Training PDF p. 159
Technical Deep Dive
Huawei's standard Elastic IP is an independently allocated public IPv4 address that can be associated with a supported cloud resource. It can be bound to only one such resource at a time, and the resource and EIP must be in the same region. The statement is therefore TRUE, option A.
Examples of supported EIP association targets include eligible ECS network interfaces, load balancers, virtual IPs and NAT gateways, depending on the product and deployment mode. If an EIP is bound to ECS-A, it cannot be directly bound to ECS-B simultaneously; the original association must be removed first. Likewise, an EIP allocated in one region cannot be directly assigned to an ECS in another region under the ordinary EIP model.
This must be distinguished from public IP sharing through NAT. A gateway may use one associated EIP to provide Internet connectivity for many private servers, but the EIP remains associated with a single gateway resource rather than many ECSs. Global EIP is a different product with cross-region design capabilities.
During solution planning, verify region, bandwidth billing, whether the target resource supports the association, failover strategy and routing. Moving an EIP during a failure can alter traffic paths, but it does not by itself ensure application readiness or database consistency. The course's wording applies to normal EIPs and is accurate.
NEW QUESTION # 31
......
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