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NEW QUESTION # 25
High-performance computing elastic cloud servers can provide massive parallel computing resources and high-performance infrastructure services to meet the requirements of high-performance computing and other scenarios.
Which of the following descriptions about the applicable scenarios of high-performance computing ECSs are correct? (Multiple choice)
- A. High-performance front-end clusters, Teb servers, high-performance scientific and engineering applications, advertising services, video encoding and distributed analysis
- B. Computing and storage systems for genetic engineering, game animation, and biopharmaceuticals
- C. Batch workloads, high performance computing (HPC), SAP applications
- D. MapReduce and Hadoop market-based computing
Answer: A,B,C
NEW QUESTION # 26
The cloud database instance provided by HUAWEI CLOUD supports multiple access methods. Which of the following access methods is not supported?
- A. Public network IP access
- B. Intranet IP access
- C. Cloud Dedicated Line Access
- D. VPN access
Answer: C
NEW QUESTION # 27
Cloud disk EVS can provide tenants with diversified and persistent storage services. Which of the following descriptions about EvS is correct? (Multiple choice)
- A. EVS disks can be mounted to a single instance, or EVS can be uninstalled from an instance and mounted to another instance
- B. The shared cloud disk supports multi-node online expansion
- C. Users can divide the disk type of the cloud hard disk according to the different back-end storage types accessed
- D. Disks configured with snapshots do not support changing the disk type
Answer: A,B,C,D
NEW QUESTION # 28
As an architect to design a website with a daily PV of up to 100 million times, to achieve high performance in the follow-up, it needs to be realized through reasonable architecture design.
Which of the following descriptions about the elements that need to be considered in high-performance architecture design is wrong?
- A. Fully consider network performance, such as bandwidth between external network access, data transmission efficiency, network path, etc.
- B. It is necessary to consider the issue of intranet bandwidth, such as whether the HUAWEI CLOUD computer room can withstand 100 million PVs and the incoming traffic
- C. To comprehensively consider the overall factors that affect the performance of the architecture, such as I/0, synchronization, concurrency, resource contention, and large data volumes. Usually, I/O operations. Algorithms with poor network response, databases, and Other inefficient resource usage can lead to poor performance
- D. To consider the application itself, such as code execution optimization, software design multi-threaded or multi-process
Answer: B
NEW QUESTION # 29
Data Security Center Service DSC is a new generation of cloud-based data security platform, which provides basic data security capabilities such as data classification and data security risk identification, and user data needs to be saved in the designated object storage OBS before song sense data detection.
- A. False
- B. True
Answer: A
NEW QUESTION # 30
When users use HUAWEI CLOUD Log Service LTS, logs exceeding the storage time will be automatically deleted, but users can dump log data to OBS buckets for long-term storage as needed. How long does the LTS service store log data for users by default?
- A. 7 days
- B. 1 hour
- C. 30 days
Answer: A
NEW QUESTION # 31
By using the API gateway, the company can reduce the R&D investment of the enterprise, focus on the core business of the enterprise, and improve operational efficiency. At the same time, it can also help users improve their monetization service capabilities.
Which of the following descriptions about API gateways is wrong?
- A. Simplify the service architecture, quickly complete the decoupling of the internal system of the enterprise and the separation of the front and back ends through standardized and standardized API interfaces
- B. It can be seamlessly connected with the function workflow service, and supports the open use of the function workflow service in the form of API
- C. The API gateway adopts synchronous flow control method and does not support asynchronous flow control method, so as to realize refined second-level flow control
- D. Through the API gateway, the internal service capabilities of the enterprise can be opened to partners in the form of standard APIs
Answer: C
NEW QUESTION # 32
A game company deploys its business on a cloud server equipped with the Linux system, and uses the cloud hard disk service to back up its log data. At present, the operation and maintenance personnel find that the utilization rate of the disk has reached 80%, and the cloud hard disk needs to be expanded. After the operation and maintenance personnel perform the capacity expansion operation, they find that the capacity of the cloud disk has not increased. Possible reason: The engineer only expanded the capacity of the litigation disk, but did not format the expanded part, resulting in the unusable hard disk space after expansion.
- A. True
- B. False
Answer: A
NEW QUESTION # 33
Lstio is an open platform that provides connection, protection, control, and observation functions. By providing a complete non-intrusive microservice governance solution, it can well solve services such as cloud native service management, network connection, and security management. network governance issues.
- A. True
- B. False
Answer: A
NEW QUESTION # 34
Compared with cloud database RDS, Huawei's self-developed database GaussDB has many advantages over cloud database RDS in terms of system architecture and other aspects. Which of the following descriptions related to GaussDB is wrong?
- A. All update operations are only logged, and Double write is no longer required. Reduced valuable network bandwidth
- B. With multiple storages, when the access volume is large, the read and write performance of the database will be significantly improved
- C. There is only one copy of storage, no need to purchase additional storage. If there are more read-only nodes, the storage cost will be saved more
- D. There is no longer a standby database, and all read-only databases are in the Active state. And bear the read traffic, making resource utilization higher
Answer: B
NEW QUESTION # 35
Which of the following descriptions about the microservice architecture is wrong?
- A. Can flexibly use different tools to deal with suitable scenarios
- B. Frequent communication between business modules of the microservice architecture requires high network stability
- C. The microservice architecture is upgraded and released on a yearly and monthly basis, which is longer than the release cycle of the SOA architecture
- D. Advocate dividing a single application program into smaller service units by function, and using a general lightweight mechanism for communication between services
Answer: D
NEW QUESTION # 36
The main functions of Huawei Cloud Resolution Service include public network domain name resolution, intranet domain name resolution, reverse resolution, smart line resolution, resolution records, auditing, and other functions. Among them, through cloud audit, the operation events related to the cloud analysis service can be recorded, which is convenient for future query, audit and return to the lake. In the cloud audit service management console, any operation record can be viewed or exported.
- A. False
- B. True
Answer: A
NEW QUESTION # 37
Huawei Cloud's self-developed database GaussDB (for Redis) provides multiple connection methods. Which of the following connection methods for GaussDB (for Redis) is wrong?
- A. Intranet connection
- B. Public network connection
- C. Third-party client connection
- D. Program code connection
Answer: C
NEW QUESTION # 38
There are many types of data in the Internet of Vehicles scenario, some of which are time-related and have a very large amount of data, such as motion track records, battery data, monitoring data, etc. Which of the following types of data services is recommended?
- A. Time series database
- B. Cloud database
- C. Document database
- D. Distributed database middleware
Answer: A
NEW QUESTION # 39
Please match the following related components and functional characteristics of open source Kubernetes.
Answer:
Explanation:
NEW QUESTION # 40
The document database service supports multiple instance types and can meet different business scenarios.
Which of the following instance types is not supported by the document database service?
- A. Single node architecture
- B. Replica Set Architecture
- C. Cluster Architecture
- D. Active/standby architecture
Answer: D
NEW QUESTION # 41
The user installed the host monitoring agent on the elastic cloud server created by using the private image Windows Server 2012 R2 Datacenter 64bit, but in the management console, the plug-in status of the cloud service is still displayed as "not installed". The log shows that there is a large difference between the signature time and the server time. This problem can be solved by changing the NTP Server of the ECS to the address of the Huawei Cloud NTP server.
- A. True
- B. False
Answer: A
NEW QUESTION # 42
Huawei Cloud provides () platform services for IoT access scenarios, providing the ability to connect massive devices to the cloud, devices and cloud two-way message communication, etc., and can flexibly transfer device data to other services of Huawei Cloud, which can help the Internet of Things Industry users quickly complete equipment networking and industry application integration.
save answer
Answer:
Explanation:
IOTDA
NEW QUESTION # 43
An Internet company has purchased the load balancing service ELB and is going to configure Layer 7 port forwarding rules.
Combined with business characteristics, which of the following types of ELB specifications are correct? (Multiple choice)
- A. Network type (TCP)
- B. Network type (UDP)
- C. Application type (HTTPS)
- D. Application type (HTTP)
Answer: C,D
NEW QUESTION # 44
No-relational databases have extremely high concurrent read and write performance. Because it uses () to store data.
Answer:
Explanation:
semi-structured
NEW QUESTION # 45
DataArts Studio (formerly DGC), the database governance center, is a one-stop governance and operation platform that provides data lifecycle management and intelligent data management capabilities for the digital operation demands of enterprises.
Which of the following describes DGC's core competencies? (Multiple choice)
- A. Integration of multiple heterogeneous data sources
- B. Data Model Development
- C. Job Script Arrangement Development Scheduling
- D. Data Quality Monitoring
Answer: A,B,C,D
NEW QUESTION # 46
An e-commerce user wants to optimize the purchased elastic cloud server to meet the cost-saving needs of the enterprise. Which of the following statements about optimization methods are correct? (Multiple choice)
- A. Continuously monitor and measure utilization for optimization opportunities
- B. Based on the operation and maintenance statistics, identify and shut down unused resources, such as development/test servers that have not been running for a long time
- C. Determine the number of servers based on historical and real-time operation and maintenance data, combined with demand and actual usage, without considering scaling services
- D. Refer to the operation and maintenance historical monitoring data to reasonably determine the size of the server type at the lowest cost to meet the performance and workload requirements
Answer: A,B,D
NEW QUESTION # 47
The four deployment models of mainstream cloud computing are: public cloud, community cloud, private cloud and ().
Answer:
Explanation:
hybrid cloud
NEW QUESTION # 48
HUAWEI CLOUD provides exclusive load balancing services and shared load balancing services.
In the description of the respective advantages of the dedicated load balancing service and the shared load balancing service, which one is wrong?
- A. Exclusive load balancing: multiple specifications, super performance support, select on demand
- B. Shared load balancing: users share cluster resources, clusters support super performance, and only charge instance-related fees
- C. Exclusive load balancing: exclusive resources, high performance guarantee
- D. Exclusive load balancing: supports IPv6 dual-stack, flexible deployment in multiple availability zones
Answer: B
NEW QUESTION # 49
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The Huawei H13-821_V3.0 exam covers a wide range of topics related to cloud computing, including cloud architecture, cloud service models, cloud computing security, cloud storage, and cloud network technologies. H13-821_V3.0 exam is designed to test the candidate's ability to design, implement, and manage cloud solutions using Huawei's cloud products and services.
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