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Total 176 questions

ACP Cloud Computing Certification Questions and Answers

Question 17

A startup team developed an app named “Public Image Service,” which provides image management services for e-commerce websites. The app includes a self-developed API for file uploads, queries, and deletions, and aims to manage a large number of small images with fast global access. Currently, 500 GB of images and files are uploaded daily. The team is ready to migrate all applications to Alibaba Cloud. They should at least choose Alibaba Cloud ___________________ service. (Choose three.)

Options:

A.

Object Storage Service

B.

Elastic Compute Service

C.

Content Delivery Network

D.

Auto Scaling

Question 18

Alibaba Cloud Content Delivery Network (CDN) is a distributed network that is built and overlaid on the bearer network Moreover it is composed of edge node server clusters distributed across different regions. It replaces the traditional data transmission mode, which is centered on Web servers. When using Alibaba Cloud CDN, a user's request wilt first reach the edge node, and then receive data from the origin site by means of back-to-source Moreover, the admin can obtain visitor's real IP on the origin site. Which of the following descriptions relate to "obtaining visitors real IP" are correct? (Number of correct answers: 2)

Options:

A.

"Visitor's real IP" is saved in "X-Forwarded-For" header in HTTP protocol. It can be directly obtained in the user-defined LOG of Apache and Nginx.

B.

"Visitor's real IP" can only be obtained by modifying the application

C.

You can one-step activate the "recording visitor's real IP" function in Alibaba Cloud CDN console to directly view the visitor's real IP in the access log.

D.

In Windows, if IIS is used: after installing "F5XForwardedFor" extension module. 'Visitor's real IP" can then be seen in the log.

Question 19

Alibaba Cloud Object Storage Service (OSS) is a massive, highly available, secured, and cost-effective storage service. One of the special characteristics of OSS is its superior data reliability due to its underlying backup technology and policies. Which of the following statements about OSS backup is correct?

Options:

A.

OSS supports 3 internal data copies, so the data can be manually recovered should there be any problem.

B.

Customers have to safeguard their own data. OSS provides various backup interfaces to facilitate off-site backups.

C.

OSS leverages RAID0+1 configuration of its underlying physical hard disks. There is no impact even if 2 hard disks were to fail simultaneously.

D.

OSS supports 3 internal data copies; no human intervention is required to recover the data when anything goes wrong.

Question 20

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?

Options:

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

Page: 5 / 13
Total 176 questions