H13-821_V3.5

Review 56 H13-821-V3-5 practice questions with answer explanations and community insights.

Question 1

Scalability typically refers to the ability of a system or service to adapt to scale changes by flexibly adjusting the architecture or resource configuration as business demands grow. Which of the following are examples of vertical scaling? (Choose all that apply.)

  1. Adding read replicas added for an RDS instance
  2. Downgrading RDS instance specifications from 8 vCPUs and 32 GB to 4 vCPUs and 16 GB
  3. Increasing the number of ECSs from 2 to 5
  4. Upgrading ECS specifications from 2 vCPUs and 4 GB to 4 vCPUs and 8 GB

Question 2

Security in architecture design typically refers to the ability of a product or service to remain operational or executable under specified conditions and within a defined timeframe. This attribute reflects both the availability and maintainability of the product.

  1. TRUE
  2. FALSE

Question 3

What is not a major factor driving enterprises to migrate to the cloud?

  1. Government incentives
  2. Technical innovation
  3. Executive mandate
  4. Business requirements

Question 4

High availability is an important design feature. Which of the following is not related to high availability?

  1. Auto scaling supported by system
  2. Elastic Load Balance (ELB) for controlling traffic distribution
  3. Higher network bandwidth upper limit of a compute instance
  4. DR backup services for critical services

Question 5

A customer purchased compute-intensive Elastic Cloud Servers (ECSs) and deployed Linux applications to test services. The ECSs are billed on a pay-per-use basis. When there are no tests being conducted, some ECSs are stopped to save costs. After ECSs are stopped, which of the following resources are not billed? (Choose all that apply.)

  1. Elastic Volume Service (EVS) disks
  2. Elastic IP
  3. Memory
  4. vCPUs
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