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ACP-Cloud1 Questions and Answers

Question # 6

A video company uses SLB to distribute user requests to 20 ECS instances with the same configuration to response these requests. As the Spring Festival approaches, service traffic would double during holidays (based on past experience). Thus, you use Auto Scaling to elastically adjust computing resources. Since the services is online for many years, you have historic records that can help predict the upcoming service traffic and choose the scaling mode freely. In this scenario, which of the following options are feasible and with minimum operation efforts? (Number of correct answers: 2)

A.

Cloud monitor and event-triggered task: Dynamically adds ECS instances during resource shortage and reduces ECS instances during idle hours by monitoring the CPU utilization rate and workload

B.

Scheduled task: Increases the number of ECS instances to 40 on the first day of the holidays and reduce the number to 20 after the holidays.

C.

Manual mode: Set the minimum number of instances to 40 on the first day of the holidays and change the number to 20 after the holidays.

D.

Healthy check mode: Ensures that all the current ECS instances in scaling groups are working correctly to meet user access requests.

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Question # 7

Alibaba Cloud CloudMonitor is a service that monitors Alibaba Cloud resources and Internet functions currently provided by CloudMonitor? (Number of correct answers: 3)

A.

Site monitoring

B.

Customized monitoring

C.

Custom firewall

D.

Operation auditing

E.

Cloud service monitoring

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Question # 8

Alibaba Cloud Object Storage Service (OSS) provides multiple file uploading modes for different scenarios, which are___________.

(Number of correct answers: 2)

A.

Direct upload from the OSS management console no matter how large the file is

B.

Uploading using the API

C.

Directly copying to/from OSS using portable disks

D.

Upload using the SDK

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Question # 9

Recently, response speed of a certain Alibaba Cloud Elastic Compute Service (ECS) instance is unacceptably slow. By using CloudMonitor we discovered that the ECS instance utilizes more than 80% of the assigned bandwidth.

Which of the following approach can address this issue and without the need to reboot the ECS instance?

A.

Upgrade the bandwidth of the ECS instance

B.

None of the above

C.

Upgrade the CPU and memory of the ECS ins

D.

Add a disk to the ECS instance

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Question # 10

An online education website is built based on ECS. SLB and Auto Scaling, which greatly reduces resource cost, O&M cost and without compromising system stability and user experience.

Now. the website admin wants to keep the user information (such as source IP, accessed URLs, and duration on each page) for analysis to support their upcoming campaign events In this case, which of the following statements is NOT correct?

A.

Let each ECS instance in the scaling group keeps the user access information it processes Thus, the data saved by these ECS instances can be accessed and analyzed at any time, making the solution not only simple, but also efficient reliable, and cost-effective.

B.

Save user-related access information to ApsaraDB for RDS in real time or quasi real time, which can then be used for performing query and analysis.

C.

Synchronize user-Synchronize user-related access information to ApsaraDB for Memcache in real time or quasi real time. Then, access Memcache using an application or make the data in Memcache persistent based on certain rules and then can use the persistent data for further analysis.

D.

Synchronize user-related access information to OSS in real time or quasi real time for further use

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