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ACP-Cloud1 Questions and Answers

Question # 6

A new media company uses a mobile app to provide news and information services. They utilize Auto Scaling to add/reduce ECS instances dynamically to address service traffic spikes.

Based on the estimation of their service and technical personnel the company thinks they require 10 ECS instances during idle hours and 10 to 20 ECS instances (dynamically adjusted) during some busy hours, which are normally from 07:30 to 09:00 and from 18:30 to 20:00 In the scaling group; they set the "Minimum number of instances" to 10 and "Maximum number of instances" to 20.

To simplify deployment tasks and save costs, which of the following scaling modes should they choose?

A.

Healthy mode

B.

Scheduled mode

C.

Fixed quantity mode

D.

Event-triggered mode

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Question # 7

A popular worldwide forum stores static resources in OSS and accelerates access using CON Users find that the speed of downloading files from the forum has been greatly improved, but uploading files is slow due to the long data transmission distance, resulting in a bad access experience In order to improve the speed of uploading files for users in this forum, so that users in different regions can have a good access experience, we recommend that the forum can________.

A.

Activate the PCDN service

B.

Activate OSS in different regions as file storage, and synchronize data between OSS in different regions through cross-region replication

C.

Enable the transmission acceleration service for O: Enable OSS

D.

Enable OSS static website hosting

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Question # 8

Company A constructed a sales management platform using three Elastic Compute Service (ECS) instances. One of the instances runs MySQL, and is used as the database server. The other two instances are used as Web servers After some time, the number of employees in Company A dramatically increases, leading to higher sales volumes At the same time, the platform response speed is gradually decreasing too.

According to the report from CloudMonitor, the average CPU utilization rate of the two Web servers exceeds 70%, and database load

reaches 75% Company A can select Alibaba Cloud_________ services.to cope with the issue and optimize the performance. (Number of correct answers: 2)

A.

Import database data into Object Storage Service (OSS) to share the storage pressure on the platform

B.

Incorporate Server Load Balancer (SLB) and add additional ECS instances to relieve the load on existing ECS instances

C.

Use Content Delivery Network (CDN) to enhance content loading speed

D.

Replace the self-built MySQL database with ApsaraDB for RDS to obtain better database performance, and utilize RDS read-only instances to handle read-only requests

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Question # 9

For ECS and RDS instances under different Alibaba Cloud accounts but in the same region, which of the following statements is NOT correct for migrating self-built MySQL databases (running on ECS) to RDS?

A.

The data can be imported via the Intranet

B.

The data cannot be migrated.

C.

The data can be imported via the public network.

D.

The data can be imported by running mysqldump.

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Question # 10

SLB is a load balancing service that distributes traffic to multiple cloud servers It provides a wide range of functions to meet the needs of various business scenarios If a user wants to use SLB and ECS instances to deploy two-way authenticated HTTPS websites, the following statement is correct_______.

A.

SLB can only host SSL certificates, not CA certificates.

B.

You need to host server SSL certificates and client CA certificates on SLB

C.

SLB can only host CA certificates, not SSL certificate

D.

SLB can only support HTTPS one-way authentication

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