Huawei H13-831_V2.0 Practice Test : Free Online Preparation

Question 1
- Which of the following descriptions of stateful and stateless apps is correct? Single selection
  
  A : Tenants can deploy stateless applications through Auto Scaling to ensure high scalability of applications
  
  B : Tenants can deploy stateful applications through Auto Scaling to ensure high scalability of applications
  
  C : The scalability of stateful applications is better than that of stateless applications
  
  D : The performance of stateful applications is better than that of stateless applications
  
  Answer: A
Question 2
- A state-owned enterprise company is recently undergoing cloud assessment, and the company has put forward requirements for the IT department, requiring that the annual business expenditure be strictly controllable, and no changes are allowed after the budget is determined at the beginning of the year. In addition, the business department also put forward requirements for the IT department, so it is the first time to try to go to the cloud so it will frequently create, delete, change the configuration and other operations of virtual machines, and ensure that these operations are flexible and simple. So which of the following options does IT need to choose to meet these requirements? Multiple selection
  
  A :
  In the reservation billing model (on-demand package package), the expenditure is determined in advance, and the creation, deletion, and configuration of virtual machines within the reservation scope will not cause cost changes
  
  B :
  Purchase DeH according to the budget, and then purchase ECS on it, and then create, delete, and change ECS on Dahl without incurring costs
  
  C : Easy-to-use ECS purchase, flexible and can be created and deleted at any time.
  
  D :
  When purchasing ECS on a package cycle, you can determine a one-year budget in advance to ensure that it does not exceed it
  
  Answer: A,B
Question 3
- For a critical application, the customer requires the deployment of a fault-tolerant architecture that can achieve RTO=0. Plan to choose C6 2xlarge. 4 types of elastic ECSs, it is estimated that at least 6 ECSs are required for this service. From an architect's point of view, which of the following architectures can meet the above requirements and provide the best overall capabilities? Single selection
  
  A :
  Deploy 6 servers in each of the three zones, and use auto scaling to ensure that nodes can be replaced after damage
  
  B :
  Deploy three servers in each of the two zones and use auto scaling to ensure that nodes can be replaced after they are damaged
  
  C :
  Deploy 6 servers in each of the two zones and use auto scaling to ensure that nodes can be replaced after damage
  
  D :
  Deploy three servers in each of the three zones and use auto scaling to ensure that the can be replaced after the node is damaged
  
  Answer: D
Question 4
- When using the call chain tracing feature in APM, you can automatically drill down to the failed microservice instance by clicking the fault node, or you can associate it with the failed call chain and call stack to view the input parameters and return values of the failed function. Judgment
  
  A : correct
  
  B : False
  
  Answer: A
Question 5
- As an architect to design a website up to 100 million times, to achieve high-performance performance in the future, it needs to be achieved through reasonable architecture design. Which of the following describes the elements to consider in the design of a high-performance architecture? (Single).
  
  A :
  You need to consider the bandwidth of the private network, such as whether the HUAWEI CLOUD data center can withstand the traffic generated by 100 million PVs
  
  B :
  Comprehensively consider the overall factors that affect the performance of the architecture, such as /O synchronization, concurrency, resource contention, and large data volume. Often, I/O operations, network responses, poor algorithms, databases, and other inefficient resource usage result in poor performance
  
  C :
  Consider the application itself, such as code execution optimization, software design multi-threading or multi-process
  
  D :
  Fully consider network performance, such as external network access bandwidth, data transmission efficiency, network path, etc.
  
  Answer: A

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