Free ACA Storage and Networking Questions and Answers

Question 1

A/An _________________ is a copy of data on a disk at a certain point in time.

Accepted Answer

snapshot

Answer

Explanation:
A snapshot is a point-in-time copy of data on a disk. It captures the state of the disk at the moment the snapshot is taken, allowing you to create a backup or restore the data to that specific state if needed. Snapshots are commonly used for data backup, disaster recovery, and creating consistent images of data for testing or development purposes.

Question 2

Which method is not supported by OSS to create a bucket?

Accepted Answer

Through the OSS cmd tool

Answer

Explanation:
"Through OSS cmd tool," is not supported because OSS cmd tools typically focus on managing objects within buckets rather than creating buckets directly.

Question 3

A large shopping mall deploys a new video surveillance system. The five-floor building in which the mall is located installed 35 HD cameras to monitor the major exits. The surveillance system is deployed on an ECS instance, which has four 2 TB data disks to store video data. However, video data grows rapidly and the engineers find that the ECS will run out of storage space within 2 weeks.

In this case, _____________ product is thought to be the best solution for addressing the storage challenge while ensuring quick access to historical video data when needed.

Accepted Answer

OSS

Answer

Explanation:
OSS is the best solution because it provides scalable and durable storage for rapidly growing video data, ensuring quick access to historical footage when needed.

Question 4

Which node type in DataWorks can edit the Python code to operate data in MaxCompute?

Accepted Answer

PyODPS Node

Answer

Explanation:
The PyODPS Node in DataWorks allows users to edit Python code to operate data in MaxCompute. This node type provides the capability to write custom Python scripts for data processing, analysis, and manipulation tasks within the DataWorks environment, enabling advanced data processing operations on MaxCompute tables.

Question 5

DataWorks provides two billing methods: Pay-As-You-Go (post-payment) and subscription (pre-payment). When DataWorks is activated in pay-as-you-go mode, which of the following billing items will not apply?

Accepted Answer

Task nodes created by developers

Answer

Explanation:
When DataWorks is activated in pay-as-you-go mode, the billing is based on resources consumed by data development and debugging, data integration tasks executed, and storage costs for project data. Task nodes created by developers do not incur additional billing costs; they are included in the pay-as-you-go pricing model and are not billed separately.

ACA - Alibaba Cloud Certified Associate Practice Test

ACA - Alibaba Cloud Certified Associate Practice Test

Free ACA Storage and Networking Questions and Answers