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ACA-Operator Sample Questions Answers

Questions 4

Alibaba Cloud Log Service allows you to store and search logs from a variety of sources, but has no built-in visualization capabilities.

Options:

A.

True

B.

False

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Questions 5

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

Options:

A.

NAT Gateway

B.

Smart Access Gateway (SAG)

C.

VPN Gateway

D.

Content Delivery Network (CDN)

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Questions 6

When using Alibaba Cloud CDN, a visitor's request will first be routed to a CDN edge node, and in the event of a cache miss at this edge node, the node will fetch data from the origin site (back-to-source request). Even with this redirection, it is possible for the origin site to see the visitor's real IP address. Which of the following statements about obtaining the visitor's real IP address are correct? (Number of correct answers: 2)

A visitor's real IP address can only be obtained by modifying the site or web application.

B. visitor's real IP address is stored in the "X-Forwarded-For" HTTP header. It can be directly obtained via Apache or NGINX logs.

C. In Windows, if IIS is used, after installing the "F5XForwardedFor" extension module, the visitor's real IP address can be seen via IIS logs.

D. You can activate the "record visitor's real IP" function in the Alibaba Cloud CDN console, then you can directly view visitor's IP addresses from the Alibaba Cloud CDN access logs.

Options:

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Questions 7

A developer is making the ModifyDBInstanceSpec API call to change the specifications of an RDS instance, but the operation fails. Why could this be? (Number of correct answers: 3)

Options:

A.

The instance is in the "running" state

B.

No instance type (specification) was included in the request parameters

C.

The instance has a backup task being executed

D.

The targeted RDS instance is a disaster recovery instance

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Questions 8

Alibaba Cloud RocketMQ is typically used in scenarios where message publishing and consumption performance requirements are high. Which of the following are supported message types in Alibaba Cloud RocketMQ? (Number of correct answers: 3)

Options:

A.

Scheduled message

B.

Ordered message

C.

Batched message

D.

Transactional message

E.

Retried message

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Questions 9

Which command is used to get the Docker daemon information?

Options:

A.

docker info

B.

docker version

C.

docker pull

D.

docker image

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Exam Code: ACA-Operator
Exam Name: ACA System Operator Certification
Last Update: Mar 25, 2024
Questions: 62
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