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Total 63 Questions | Updated On: Nov 20, 2024

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Question 1

Which Alibaba Cloud service is used to manage cloud computing resources including the deployment?

A : Operation Orchestration Service (OOS)

B : Maintenance Orchestration Service (MOS)

C : Resource Orchestration Service (ROS)

D : Resource Access Management (RAM)

Answer: C

Question 2

Which database utility is suitable for database migration?

A : DMS

B : DBS

C : DTS

D : DAS

Answer: C

Question 3

A developer has written a web application using a microservice architecture, in such an architecture, the client (web browser or mobile application) first initiates a request. The request first reaches the load balancer, then goes through an authentication service, a billing service, then requests a resource, and finally a result is returned. How many spans does such a call chain consist of?

A : 3

B : 4

C : 5

D : 6

Answer: C

Question 4

Which of the following web applications are suitable for deployment on Simple Application Server (SAS), as compared with ECS? (Number of correct answers: 3)

A : Quickly build a personal blog website

B : Quickly build a small e-commerce website

C : Quickly build serverless site using Function Compute

D : Set up a NoSQL database service

E : Quickly build a personal, learning, or test environment

Answer: A,B

Question 5

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)

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

B : Applies indices to fields to contain many records.

C : A table should not contaiiAiore than 6 indexed fields.

D : Apply indexing to fields of fixed length (preferably not long fields).

E : Adhere to the rightmost prefix principle when using composite indexes

Answer: A,C,D

Page: 1 / 13

Total 63 Questions | Updated On: Nov 20, 2024

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