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| Section | Objectives |
|---|---|
| Cloud Architecture Design Principles | - Cloud computing models and deployment architectures
|
| Database and Middleware Services | - Cloud database services
|
| Compute and Storage Services | - Elastic Cloud Server (ECS) and container services
|
| Solution Design and Migration | - Cloud migration strategies
|
| Network and Security Design | - Security and identity management
|
| Operations and Monitoring | - Cloud monitoring and O&M
|
>> H13-821_V3.5 Valid Dumps <<
New developments in the tech sector always bring new job opportunities. These new jobs have to be filled with the HCIP-Cloud Service Solutions Architect V3.5 (H13-821_V3.5) certification holders. So to fill the space, you need to pass the HCIP-Cloud Service Solutions Architect V3.5 (H13-821_V3.5) exam. Earning the HCIP-Cloud Service Solutions Architect V3.5 (H13-821_V3.5) certification helps you clear the obstacles you face while working in the Huawei field. To get prepared for the HCIP-Cloud Service Solutions Architect V3.5 (H13-821_V3.5) certification exam, applicants face a lot of trouble if the study material is not updated. They are using outdated materials resulting in failure and loss of money and time.
NEW QUESTION # 27
A user has purchased an Elastic Cloud Server (ECS) with the c6s.6xlarge.2 flavor on Huawei Cloud. Which of the following statements about this ECS flavor are correct?
Select all that apply.
Answer: A,D
Explanation:
"A flavor name usually consists of the instance family and generation, instance size, and memory/vCPU ratio."
[The naming slide] An Nxlarge instance size denotes N × 4 vCPUs; the ending ratio specifies GiB of memory for each vCPU.
Huawei source: Training PDF p. 57
Technical Deep Dive
Huawei ECS flavor names encode the instance family, size and memory-to-vCPU ratio. In c6s.6xlarge.2, the family prefix c6s denotes a general computing-plus generation. The size label 6xlarge specifies six units of four virtual CPUs. Thus six multiplied by four equals 24 vCPUs: option A is correct.
The suffix .2 represents two GiB of memory for each vCPU. Multiplying 24 by two gives 48 GiB of RAM:
option C is correct. Option B incorrectly claims 64 GiB, while option D incorrectly claims 12 vCPUs. The arithmetic follows the naming convention rather than any assumption about current flavor availability.
General computing-plus instances are designed for stable CPU and networking performance. Huawei's V3.5 training also discusses the QingTian infrastructure architecture, in which dedicated hardware acceleration can offload selected virtualization and I/O processing from hosts, helping reduce interference with tenant workloads. Hardware offloading is relevant to the platform's performance characteristics, but it does not alter the vCPU or RAM calculation encoded in the flavor name. During solution design, use the full specification table to validate networking and disk limits, available regions, and guest-system support, because flavor naming alone does not describe every performance characteristic. The verified result is 24 vCPUs and 48 GiB.
Technical commands / calculations from the reviewed batch
6 × 4 = 24 vCPUs
24 × 2 = 48 GiB RAM
NEW QUESTION # 28
In architecture design, security generally means the capacity of a product or service to remain operational or executable under specified conditions and for a defined period. This attribute reflects both the product's availability and maintainability.
Answer: A
Explanation:
"Availability: The probability that a product or service remains operational or usable at any given time."
[Supporting material] Availability combines reliability and maintainability, and is distinct from the security design principle.
Huawei source: Training PDF p. 16
Technical Deep Dive
The statement is false because it substitutes the security concept for the availability concept. Availability measures the probability that a service is usable or operational when required, and its design is influenced by reliability, maintainability, redundancy and recovery capabilities. Security, by contrast, concerns protecting systems, information and infrastructure against unauthorized access, disclosure, modification and disruption.
Huawei's architecture design principles distinguish security and availability as separate concerns. An RDS primary/standby deployment can improve availability by enabling failover, but database security still requires authentication, least-privilege access, network restrictions, auditing and encryption. Similarly, Elastic Load Balance may improve resilience by distributing traffic among healthy backend ECSs; that does not independently protect an application from SQL injection or credential theft. Separate controls such as WAF, HSS, IAM and data encryption address those risks.
Availability can be assessed using SLA targets or quantitative measures such as mean time between failures and mean time to repair. Security controls can also influence availability-for example, DDoS mitigation protects service reachability-but the definitions are not interchangeable. Because the question describes remaining operational under specified conditions, it characterizes availability rather than security. The original word 'security' should remain in the false examination statement; silently correcting it would change the assessed answer.
NEW QUESTION # 29
Scalability generally means that a system or service can accommodate changes in scale by flexibly adjusting its architecture or resource configuration as business demand increases. Which of the following are examples of vertical scaling?
Select all that apply.
Answer: A,B
Explanation:
"Vertical scaling is to replace existing IT resources with one of greater or lower capacity."
[Course distinction] Horizontal scaling adds service nodes; vertical scaling changes the capacity of an existing resource.
Huawei source: Training PDF pp. 22-23
Technical Deep Dive
Vertical scaling, also called scaling up or scaling down, changes the capacity of an existing compute or database instance rather than increasing the number of instances. The distinction is architectural: vertical scaling changes resources assigned to a node; horizontal scaling adds or removes separate nodes.
Option B is correct because reducing RDS specifications from eight vCPUs and 32 GiB to four vCPUs and
16 GiB is vertical scale-down. Although capacity decreases, it remains vertical scaling. Option D is correct because increasing an ECS from two vCPUs and four GiB to four vCPUs and eight GiB is vertical scale-up.
Option A is horizontal database scaling: creating read replicas increases the number of database nodes available to serve read requests. Option C is likewise horizontal: the ECS population grows from two to five instances.
On Huawei Cloud, ECS flavor changes and supported RDS instance-class modifications can implement vertical scaling. Some changes may require restarting the instance or using a maintenance window. Vertical scaling is limited by available hardware and maximum instance flavors. Horizontal scaling can increase aggregate capacity and resilience, but requires load balancing, session handling, data distribution and consistent application behavior. Neither design automatically solves all availability issues; the choice must reflect the workload bottleneck and recovery objectives.
NEW QUESTION # 30
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: B,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 # 31
High availability is an important design characteristic. Which of the following is not related to high availability?
Answer: C
Explanation:
"HA is a system architecture capability that minimizes single points of failure and provides automatic failover, with the ultimate goal of delivering reliable, uninterrupted services."
[Supporting material] High availability addresses component-level failures; disaster recovery addresses site- level failures and RTO/RPO targets.
Huawei source: Training PDF p. 18
Technical Deep Dive
High availability minimizes interruption from individual component failures. Option A is related because Auto Scaling can maintain necessary application capacity and, when health management is properly integrated, can provision replacement instances. Option B is related because ELB distributes requests across available backends and can exclude unhealthy servers using health checks.
Option D is also related to service continuity. Disaster recovery and backup services protect against more serious events, potentially including a site outage. DR is not synonymous with high availability: HA generally handles component-level failures and automatic failover, while DR focuses on recovery after more extensive disruptions. Nevertheless, they are complementary resilience strategies. Option C , by contrast, specifies a higher network bandwidth upper limit. Bandwidth increases potential throughput; it does not introduce additional service instances, redundancy, healthy failover targets or automated recovery.
For example, upgrading an ECS from a one-Gbit/s to a five-Gbit/s link may reduce congestion during high traffic, but the application still fails if its only server is lost. A more suitable HA architecture distributes instances across availability zones, configures ELB health checks, uses appropriate Auto Scaling policies and implements data-layer redundancy. Architects should evaluate both network performance and resilience, but should not use bandwidth capacity as a substitute for fault tolerance. Thus C alone is unrelated to the HA mechanism specified.
NEW QUESTION # 32
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