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| Section | Weight | Objectives |
|---|---|---|
| HUAWEI CLOUD Innovations and Solutions | 5% | - Huawei Cloud ecosystem and tools - Industry solutions and best practices - Emerging technologies integration (AI, Big Data, IoT) |
| HUAWEI CLOUD O&M Solution | 10% | - Cloud monitoring and alerting system - Log management and analysis - Automated operation and maintenance - Fault diagnosis and recovery mechanism |
| Cloud-based Architecture Design of Conventional Applications | 50% | - Application migration and transformation strategy - Security architecture design on cloud
|
| Enterprise Application Architectures and Cloud Technologies | 5% | - Cloud service models and deployment models - Core characteristics and value of cloud computing - Evolution of enterprise application architectures |
| Cloud Native Application Architecture Design | 30% | - Serverless architecture design and application scenarios - Container and orchestration technology - Cloud native concepts and technologies - Microservice architecture design and practice
|
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NEW QUESTION # 45
Bare Metal Server (BMS) supports a broad range of workloads. Which of the following is not one of those workloads?
Answer: A
Explanation:
"Bare Metal Server (BMS) combines the scalability of ECSs with the high performance of physical servers. It provides dedicated servers on the cloud, delivering the performance and security required by core databases, mission-critical applications, HPC, and Big Data. You can apply for and use a BMS on demand."
[The application scenarios slide identifies core databases, container runtime, big data analytics, and AI. ] Huawei source: Training PDF pp. 77, 82 Technical Deep Dive Huawei Bare Metal Server (BMS) provides dedicated physical compute resources without a conventional tenant-visible hypervisor layer for the workload. Option A is among the principal application scenarios: big data storage and analytics can benefit from predictable resources, high-throughput networking and storage
/compute architectures appropriate for large datasets. Option B is also supported: HPC, supercomputing, genome or DNA sequencing and AI can require powerful CPUs, GPU or NPU acceleration and low-latency communication. Option C is supported because mission-critical government, financial and enterprise databases may demand isolation and guaranteed physical server performance.
Option D is not one of the core BMS workload scenarios named by Huawei's V3.5 training. Short-lived application development, rapidly changing portal capacity and frequent e-commerce promotional scaling are typically better served by Elastic Cloud Servers with Auto Scaling and ELB. Although BMS resources can be provisioned on demand, they do not inherently offer the same fine-grained elasticity and speed as increasing or decreasing virtualized ECS instances.
BMS uses dedicated hardware and can support high-performance network and storage access, including the SDI hardware described by the curriculum. x86 and Kunpeng-based BMS families target various workloads, and suitable systems can integrate GPUs or other accelerators. Hardware isolation and stable performance help large database and compute-intensive systems, but dedicated capacity can be costly for intermittent demand. Architects should evaluate licensing, provisioning time, network topology, storage attachment, high availability and expected utilization. Therefore D is the intended 'not one of those workloads' choice, with the nuance that BMS can host websites but is not the default elastic web tier.
NEW QUESTION # 46
What does Cloud Eye alerting for monitoring metrics allow you to do?
Select all that apply.
Answer: A,B,D
Explanation:
"Users can create alarm rules for key metrics of cloud services. When the conditions in the alarm rule are met, Cloud Eye reports the alarms using emails, SMS, or HTTP/HTTPS requests, enabling users to quickly respond to resource changes."
[The slide lists] flexible policies, varied notifications through HTTP/HTTPS/FunctionGraph/SMS/email, Auto Scaling integration, and default or custom alarm templates.
Huawei source: Training PDF p. 591; official Cloud Eye documentation
Technical Deep Dive
Cloud Eye alarm management allows administrators to define resource- and metric-specific thresholds, triggering rules, notification routes and operational responses. Option A is true because alarm policies can be tailored to individual monitored objects, metrics and events. Option B is true because Huawei supplies standard and customizable templates that can be applied across resources in batches, reducing repetitive configuration and improving policy consistency.
Option D is true. The Huawei V3.5 alarm slide lists HTTP/HTTPS, SMS, email, FunctionGraph and Auto Scaling integration, while related official documentation confirms voice notification channels where supported. A Cloud Eye threshold can notify an operator, invoke an automated function or participate in a scaling policy. For instance, sustained CPU utilization above an agreed threshold can initiate capacity scaling while the operations team receives an alert.
Option C is false because Huawei supports monitoring integration with external observability systems. Cloud Eye metrics can be exposed through suitable exporter and API mechanisms to Prometheus-compatible environments, and those metrics can be visualized in Grafana as part of a broader monitoring architecture.
The claim that such interconnection is categorically unsupported is therefore wrong. Operationally, alarm thresholds must account for duration, evaluation periods, retry behavior, resource scale and alert fatigue. Too- sensitive alerts can generate noise, while overly broad thresholds can miss failures. Automatic scaling requires sensible minimum and maximum capacities, cooldown settings and health checks. A, B and D are the supported capabilities; C is the inaccurate denial of integration.
NEW QUESTION # 47
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 # 48
After a company migrates its workloads to the cloud, multiple cloud servers in a virtual private cloud (VPC) need Internet access. However, the EIPs associated with the cloud servers might be attacked. An engineer suggests adding multiple EIPs when configuring DNAT rules. If one EIP is attacked, the other EIPs can continue to provide services and keep operations running normally.
Answer: B
Explanation:
"SNAT translates private IP addresses into EIPs, allowing traffic from a private network to go out to the Internet."
[Related section] DNAT maps an incoming EIP/port to a destination server; multiple EIPs in an SNAT rule are the documented outbound availability option.
Huawei source: Training PDF pp. 169-171; official NAT guidance
Technical Deep Dive
The scenario describes private ECSs requiring outbound Internet access, which is a Source Network Address Translation (SNAT) problem. Huawei NAT gateways can use one or more EIPs in supported SNAT configurations. If a particular public address is blocked or attacked, alternative EIPs may preserve outbound connectivity, subject to service behavior and security controls. DNAT has a different purpose: it maps incoming traffic targeting a public EIP and port to a specified private server and port.
The statement explicitly recommends configuring multiple EIPs in DNAT rules as the documented availability strategy for general outbound access, so it is FALSE. The relevant documented technique is configuring multiple EIPs in SNAT rules. It is important not to infer that attaching more EIPs to DNAT automatically provides seamless inbound service failover. Incoming clients must use an address and port that resolve and route to an available service endpoint, and DNAT port mapping has its own uniqueness constraints.
For Internet-facing applications, robust availability may require ELB, health checks, DNS failover, DDoS protection and redundant backends. For outbound access, NAT gateway EIP pools, route correctness and the limits of the gateway should be monitored. Architects should also assess whether an EIP block is due to anti- DDoS blackholing; multiple EIPs are not a substitute for an appropriate traffic-mitigation service. The question intentionally uses DNAT where SNAT is needed, making B correct.
NEW QUESTION # 49
DNAT rules allow servers in a VPC to provide services that are accessible from the Internet. DNAT lets users bind an EIP to a public NAT gateway and supports both IP address mapping and port mapping. After requests are received on a particular port using a particular protocol, the public NAT gateway can use port mapping to forward them to a particular port on the target server. Users can also configure an EIP for a server. The public NAT gateway can then use IP address mapping to forward all requests addressed to that EIP to a particular server. This enables multiple servers to share the same EIP and bandwidth, reducing bandwidth costs.
Answer: B
Explanation:
"DNAT enables multiple servers within an AZ or across multiple AZs in a VPC to share EIPs to provide services accessible from the Internet."
[Supporting description] Public NAT gateways support port mapping and IP address mapping for incoming connections to private servers.
Huawei source: Training PDF p. 171
Technical Deep Dive
Destination Network Address Translation (DNAT) publishes privately addressed servers to the Internet through a public NAT gateway. Huawei supports port mapping, which forwards a particular public EIP and protocol/port combination to a private server address and destination port, and IP address or all-port mapping, which directs a broader range of traffic for an EIP to one designated server.
For example, a connection to a gateway EIP on TCP port 8080 can be translated to an internal server on TCP port 80. Multiple internal servers may share the NAT gateway's public EIP using non-conflicting port mappings, which reduces the need for a separate public address for every server. The statement is therefore TRUE in the intended Huawei V3.5 description.
A significant terminology point is that the EIP used for NAT is associated with the NAT gateway, not simultaneously directly bound to the backend ECS. All-port mapping also has exclusivity constraints: one public IP's full port range cannot be mapped indiscriminately to multiple separate destination servers at the same time. The question's phrase about 'configuring an EIP for a server' should be interpreted as creating a gateway DNAT rule targeting that server. Architects must consider port conflicts, security group rules, gateway availability, external-client access requirements and public bandwidth billing. DNAT is for externally initiated inbound services, while SNAT serves different outbound connectivity requirements.
NEW QUESTION # 50
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