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| Section | Objectives |
|---|---|
| Cloud Architecture Design Principles | - Huawei Cloud architecture overview
|
| Database and Middleware Services | - Cloud database services
|
| Operations and Monitoring | - Cloud monitoring and O&M
|
| Compute and Storage Services | - Storage solutions
|
| Network and Security Design | - Cloud network architecture
|
| Solution Design and Migration | - Cloud migration strategies
|
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NEW QUESTION # 42
Elastic Volume Service (EVS) offers several disk types, each suited to different workloads. Which of the following statements about EVS disk types and their use cases are false?
Select all that apply.
Answer: A,B,D
Explanation:
"There are the following types of EVS disks, each with different levels of I/O performance: Extreme SSD V2, Extreme SSD, General-Purpose SSD V2, Ultra-high I/O, General-Purpose SSD, High I/O, and Common I/O.
EVS disks differ in performance and price. Choose a disk type based on application requirements."
"Major disk performance metrics include IOPS, throughput, and read/write I/O latency." Huawei source: Training PDF p. 202; official EVS specification documentation Technical Deep Dive Different Huawei EVS disk types are priced and engineered for different IOPS, throughput and latency requirements. Option A is false because it assigns general, latency-insensitive development workloads to Extreme SSD. Extreme SSD is intended for demanding latency-sensitive applications, including high- performance databases and AI workloads. The modest scenario in A is more typical of the High I/O category identified in the course.
Option B is true. General-Purpose SSD is intended for mainstream workloads that require balanced performance, including enterprise office systems, development environments and interactive applications that benefit from low latency. Option C is false because ultra-large bandwidth, extremely low latency and highly demanding mission-critical database or AI workloads describe Extreme SSD much better than High I/O. High I/O is not the premium tier for those extreme requirements.
Option D is also problematic. The Common I/O category is associated with low transaction rates, large- capacity storage and moderate I/O requirements, not with an assertion of robust or high read performance. It is therefore false as literally written. Huawei's course emphasizes matching actual IOPS, throughput and latency needs rather than extrapolating from a general disk label.
The original source's older instruction to choose two suggests A and C were intended, but the revised 'Select all that apply' wording makes A, C and D defensible. This is an answer-key defect: the item should either rewrite D to characterize moderate I/O correctly or retain three false statements. Disk benchmarking must also account for block size, read/write mix, queue depth and instance limits.
NEW QUESTION # 43
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 # 44
Business Recovery Service (BRS) delivers host-level disaster recovery (DR) for Huawei Cloud servers with an RTO of only seconds. It maintains crash consistency for data. If the production site cannot be restored promptly because of force majeure events (such as fires or earthquakes) or device faults (such as software or hardware failures), services can be quickly recovered at the DR site through simple configurations.
Answer: A
Explanation:
"Business Recovery Service (BRS) provides disaster recovery (DR) for Elastic Cloud Servers (ECSs), Elastic Volume Service (EVS) disks, and Dedicated Distributed Storage Service (DSS). BRS uses technologies, such as host-level replication, data redundancy, and cache acceleration, to ensure data reliability and service continuity."
"BRS supports asynchronous replication with second-level RPO and an RTO under 30 minutes." Huawei source: Training PDF pp. 245-246 Technical Deep Dive The statement misidentifies the recovery objective. Huawei's V3.5 material says Business Recovery Service (BRS) supports asynchronous replication with a recovery point objective (RPO) on the order of seconds and a recovery time objective (RTO) below 30 minutes. The stem incorrectly substitutes 'RTO of only seconds', so the answer is FALSE, option B.
RPO measures how far behind the latest committed production data the recovered copy may be after a failure.
A second-level RPO means the amount of potential lost change data can be limited to a short time, depending on replication health and the failure scenario. RTO measures how long it takes to restore service following an incident. Bringing up recovery ECS instances, attaching replicated storage, completing network changes and starting application processes all take time; these operations are represented by the RTO rather than the RPO.
Huawei BRS can protect ECS and related storage resources by replicating data and configuration to a recovery site. It supports failover and disaster recovery drills. Crash consistency means the restored image resembles data after a sudden power loss; it is not necessarily the same as an application-consistent checkpoint. Databases may still need log replay or recovery procedures, and distributed applications may require coordination among services. Architects must test both RPO and RTO, validate routing and access at the DR site, and monitor replication lag. The false wording about seconds-long RTO is the decisive error.
NEW QUESTION # 45
Cloud Eye server monitoring includes basic metrics, operating systems, and processes. Which of the following statements about server monitoring is incorrect?
Answer: D
Explanation:
"Automatic Monitoring: Cloud Eye activates automatically upon resource creation (e.g., ECSs). Users can view resource status and create alarm rules through the console."
"Server Monitoring: After Agent installation, minute-level real-time monitoring data is collected from ECSs and BMSs."
[The full Agent and basic-memory metric behavior requires official Cloud Eye product documentation. ] Huawei source: Training PDF p. 589; official Cloud Eye Agent documentation A repair could change B to 'Some basic ECS metrics, including CPU usage, are reported automatically; detailed memory metrics may require an Agent' and then make A the single false option. Alternatively, correct A and test B. Until repaired, the item should not be represented as having one unambiguously valid letter. The defensible warning is A and B both contain inaccurate claims.
Technical commands / calculations from the reviewed batch
# Example Agent-service operations; verify installed Agent version.
service telescoped status
service telescoped stop
service telescoped restart
NEW QUESTION # 46
A cloud connection lets an on-premises data center access VPCs in multiple Regions, allowing users to use a single physical connection for high-speed access to cloud compute and storage resources in any Region.
Answer: B
Explanation:
"Cloud Connect can also work with Direct Connect to set up a hybrid cloud network that enables on-premises data centers to access the VPCs across regions." Huawei source: Training PDF p. 146 Technical Deep Dive Cloud Connect and Direct Connect can be combined to establish a private hybrid cloud network spanning multiple Huawei Cloud regions. Direct Connect provides dedicated connectivity from an organization's on- premises data center into Huawei Cloud. Cloud Connect extends connectivity among virtual private clouds in supported regions using Huawei's backbone resources. In that architecture, an enterprise does not necessarily need a separate physical Direct Connect circuit into every region.
For example, a company can establish its primary physical connection into a VPC in one region and provision Cloud Connect attachments and bandwidth so that the on-premises data center can reach VPCs in additional supported regions. This can simplify cross-region access to applications, compute systems and storage services while reducing exposure to the public Internet.
The statement is TRUE in the architecture Huawei describes, but 'any region' should not be interpreted as unrestricted global connectivity. The relevant regions must support the service, routing tables must be configured, IP address ranges must not conflict, bandwidth capacity must be sufficient and any geographic or regulatory constraints must be satisfied. Multi-region reachability also does not eliminate the need for appropriate security groups, network ACLs and route governance. For high availability, an enterprise may add redundant Direct Connect circuits and validate route convergence. The V3.5 course explicitly supports Cloud Connect working with Direct Connect, so A is the intended correct answer.
NEW QUESTION # 47
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