← Back to exam page

Free ACA-Developer – ACA Developer Practice Test Question

Free demo downloads

Loading demo links...

Showing 4–6 of 10 questions

Question 4

Which of the following permission control policies does Object Storage Service (OSS) provide for access to objects stored in a bucket? (Number of correct answers: 4)

Select all that apply, then click Submit answer.

  • ○

    ACL
  • ○

    RAM Policy
  • ○

    Bucket Policy
  • ○

    STS authorization
  • ○

    Dynamic blacklist
    IntranetAccess
  • ○

    Object Policy
Question 5

Which of the following descriptions of Alibaba Cloud ECS storage are correct? (Number of correct answers: 3)

Select all that apply, then click Submit answer.

  • ○

    Alibaba Cloud provides a wealth of block storage products for ECS, including Cloud Disks (virtualized storage) and Local Disks (physically attached to the server(s) that host your ECS Instances).
  • ○

    Both Local Disks and Cloud Disks use a multi-copy distributed storage mechanism, which has low latency, high performance, durability, and high reliability, and supports creation, expansion and release at any time.
  • ○

    Cloud Disks come In several different varieties: ESSD (Enhanced Solid State) Cloud Disks. SSD (Solid State ) Cloud Disks, and high-efficiency Cloud Disks.
  • ○

    Two types of Cloud Disks can be attached to an ECS: System Disks and Data Disks. System Disks host the ECS instances operating system.
Question 6

In Alibaba Cloud RocketMQ, messages are kept for up to _____ days. We recommend configuring a monitoring service to watch the consumption status, and intervene manually when ''not consumed but to be deleted'' message alarms occur.

Select an option, then click Submit answer.

  • ○

    2
  • ○

    3
  • ○

    4
  • ○

    5