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| Section | Objectives |
|---|---|
| Cloud-based Architecture Design of Conventional Applications | - Database service planning and migration - Network design and Virtual Private Cloud (VPC) - Compute service planning and Elastic Cloud Server (ECS) - Cloud security service planning and design - Storage and Object Storage Service (OBS) |
| Enterprise Application Architectures and Cloud Technologies | - Cloud technology concepts and Huawei Cloud overview - Enterprise application architectures fundamentals |
| Huawei Cloud O&M Solution | - Monitoring, logging, and operational best practices - O&M strategies and Huawei Cloud operations tools |
| Huawei Cloud Innovations and Solutions | - Emerging architecture solution practices - Innovative services overview (EI, IoT, data solutions) |
| Cloud Native Application Architecture Design | - Huawei cloud native services and solutions - Container and serverless design patterns - Cloud native technologies and microservices design |
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NEW QUESTION # 43
What does Cloud Eye alerting for monitoring metrics allow you to do?
Select all that apply.
Answer: B,C,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 # 44
Match each IoT-related cloud service to its description.
Answer:
Explanation:
Explanation:
"IoT Device Access (IoTDA) enables connectivity and management for numerous devices. It links physical devices to the cloud, gathers their data, and sends commands for remote control. By integrating with other cloud services, it accelerates the development of IoT solutions."
"A complete IoT solution consists of an IoT platform, devices, and applications."
[The ecosystem slide also lists IoT Edge and IoT Analytics; IoTDP is expanded in the acronym table as IoT Device Provisioning. ] Huawei source: Training PDF pp. 665-668; official IoT Analytics/IoTDP/Edge documentation Technical Deep Dive The four matches correspond to different stages of Huawei's IoT architecture. Description 1 is IoTA, option
D. IoT Analytics uses asset-based representations of devices and equipment to integrate telemetry, clean data, store it, analyze it and visualize operational patterns. This is suited to smart buildings, industrial monitoring and digital-twin analysis. Description 2 is IoTDA, option B. IoT Device Access connects large numbers of physical devices to the cloud, accepts telemetry, manages device identities and configurations and delivers supported remote commands.
Description 3 is IoT Edge, option C. Edge computing combines compute, storage, networking and application services close to the physical devices. It can reduce transmission latency and bandwidth requirements, and may continue local operations during temporary connectivity loss. Description 4 is IoTDP, option A. IoT Device Provisioning handles provisioning, connecting and moving devices among the appropriate IoT platform instances, including scenarios involving regions or different operational environments.
The original drag-and-drop screenshot includes the labels IoTDP, IoTDA, IoT Edge and IoTA. The matching order from top to bottom is D, B, C, A. The Huawei V3.5 slides directly explain IoTDA and illustrate IoT Edge and IoT Analytics in the wider ecosystem. The specialized IoTA and IoTDP descriptions are supplemented by official Huawei product documentation. For an end-to-end IoT solution, provisioning and connectivity establish the data path, edge nodes perform local processing where appropriate, and analytics converts telemetry into decisions. The matching is unique and technically well grounded.
Description
Correct selection
1
D - IoTA
2
B - IoTDA
3
C - IoT Edge
4
A - IoTDP
NEW QUESTION # 45
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: B,C
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 # 46
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 # 47
Web Application Firewall (WAF) can thoroughly inspect and protect service applications, intelligently recognize malicious request characteristics, and defend against unknown threats. Which of the following statements about WAF functions are correct?
Answer: B,C
Explanation:
"WAF supports three deployment modes: Cloud Mode - CNAME, Cloud Mode - Load balancer, and Dedicated Mode."
"WAF and CFW are different products provided by Huawei Cloud. WAF is used to protect your web services, while CFW is used to protect Internet border and VPC border traffic."
[WebSocket and SSE default support are established by current official Huawei WAF product documentation rather than this slide. ] Huawei source: Training PDF pp. 367, 369; official WAF protocol documentation Technical Deep Dive Huawei's V3.5 WAF chapter identifies three deployment modes: cloud mode with CNAME access, cloud mode through a load balancer and dedicated mode. Therefore option A is correct. These approaches differ in protected object, traffic path, billing and infrastructure integration. WAF protects HTTP/HTTPS web applications against malicious requests, including SQL injection, cross-site scripting and related application- layer attacks.
Option B is incorrect because network border protection belongs primarily to Cloud Firewall (CFW), while domain ICP filing is a separate regulatory or website-compliance process. Option C is incorrect because WAF is not a general-purpose Layer 2 Ethernet or Layer 4 arbitrary TCP/UDP firewall. Network protection and application security products have distinct responsibilities and inspection layers.
Option D is correct according to the relevant official Huawei WAF product documentation: WebSocket and Server-Sent Events are supported and enabled by default in the stated service behavior. WebSocket carries bidirectional messaging over an upgraded HTTP connection; SSE allows server-to-client event delivery.
Support for forwarding a protocol should not be treated as evidence that all its payloads undergo identical deep inspection to ordinary HTTP requests; the product documentation qualifies WebSocket inspection behavior.
In production, a design should choose WAF mode according to the origin location, traffic volume, performance requirements and acceptable configuration changes. Origin access should be restricted to avoid bypassing the protection point. WAF does not replace CFW, API authentication or application security testing. The two supported choices are A and D.
NEW QUESTION # 48
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