Alibaba ACA-Operator Exam Questions Instant Access

Question 1

Which of these is NOT a function of CloudMonitor?

ASet alarm rules for any of CloudMonitor's metrics

BSet the alarm rule effective period (the time during which the alarm may trigger)

CSet notification methods for different alarms

DAutomatically take remedial action when an alarm triggers

Answer : D

https://www.alibabacloud.com/help/doc-detail/35170.htm

Question 2

When you use SQL statements to access tables in a database without an index configured, a full table scan will be performed. If a table contains a large amount of data, this kind of scan will access a large amount of data and consume a lot of the database's resources. Which of the following options are best practices when creating database indexes? (Number of correct answers: 3)

AAdd an index to a field that is frequently queried but does not frequently perform add, delete, or modify operations.

BApplies indices to fields to contain many records.

CA table should not contaiiAiore than 6 indexed fields.

DApply indexing to fields of fixed length (preferably not long fields).

EAdhere to the rightmost prefix principle when using composite indexes

Answer : A, C, D

Question 3

Which of the following options are correct for Multipart Upload and Resumable Upload in Object Storage Service (OSS)? (Number of correct answers: 3)

AUse Multipart Upload to upload multiple parts of a file in parallel to speed up the upload process

BMultipart Upload is usually used when the size of the file to be uploaded is large

CIf the upload fails due to an accident during the uploading of fragments, you need to upload all the fragments again

DAfter an upload is interrupted, the portions of the file which have successfully uploaded prior to the interruption will be saved in the OSS bucket

Answer : A, B, D

Question 4

You need to log all actions taken by users of your Alibaba Cloud account,

whether via the command line tools or the web console. Which Alibaba Cloud

product can you use to create a log of user operations?

ACloudMonitor

BActionTrail

CCloud Configo

DResource Group

Answer : B

https://www.alibabacloud.com/help/doc-detail/28804.htm

Question 5

Which of the following Alibaba Cloud services offers a software-defined wide area network (SD-WAN) solution based on cloud-native technologies?

ANAT Gateway

BSmart Access Gateway (SAG)

CVPN Gateway

DContent Delivery Network (CDN)

Answer : B

https://www.alibabacloud.com/help/doc-detail/69227.htm

Question 6

Which of the following descriptions of the principles of Alibaba Cloud SSL certificate private key protection is correct?

AAlibaba Cloud uses the built-in functionality of the SSL certificate service to encrypt and store the private key to ensure the security of your certificate's private key

BThe plaintext of Alibaba Cloud's private key is usually stored on disk and backed up regularly

CAlibaba Cloud Certificate Service uses symmetric encryption to save the certificate private key.

DAlibaba Cloud Certificate Service keys are loaded into memory in plaintext format ONLY when needed.

Answer : D

Question 7

How does Cloud Config get permission to gather information about other Alibaba Cloud services?

AAn Access Key

BA RAM Role

CBy storing a copy of your password

DIt gets automatic permission to access everything, because it is an Alibaba Cloud service

Answer : B

https://www.alibabacloud.com/help/doc-detail/156642.htm

Alibaba ACA System Operator Certification ACA-Operator Exam Questions