ACP-Cloud1無料問題集「Alibaba Cloud ACP Cloud Computing Professional」

質問 1

If you need to accelerate a certain domain name (such as abc.com) via Alibaba Cloud Content Delivery Network (CDN), you must add it to "CDN Domain Name List" in the CDN service. After added successfully, you will get a CNAME address A Next, you need to modify domain name resolution and direct the domain name (such as abc.com) to CNAME address A. Which of the following is a NOT correct description of modifying domain name resolution?

（A）The DNS service provider used by the domain name (such as abc.com) can be companies other than Alibaba Cloud.

（B）The CNAME address allocated to the domain name (such as abc.com) will point to an IP address. This IP address resolving mechanism is intelligently managed by Alibaba Cloud CDN system.

（C）If your domain name (such as abc.com) is transferred to Alibaba Cloud in advance, and managed by the same Alibaba Cloud account, you can perform one-step resolution modification.

（D）The DNS service provider used by the domain name (such as abc.com) must support intelligent resolution.

正解：D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 2

Company G developed a shopping App. The system is built using Alibaba Cloud products, including ECS instances and OSS in the North China 1 region, where static web pages and images are stored on OSS.
After the App went online, the access speed in mainland China was acceptable. Recently, the company decided to expand to the U.S. market and requires acceptable access speeds for U.S. users.
To address this requirement, Company G should select Alibaba Cloud _______________ service.

（A）Enabling Auto Scaling and more Elastic Compute Service (ECS) instances

（B）Enabling Object Storage Service (OSS) + Content Delivery Network (CDN) in West US (Silicon Valley) region

（C）Enabling Auto Scaling and Content Delivery Network (CDN)

（D）Enabling Object Storage Service (OSS) + Content Delivery Network (CDN) in East China 1 and North China 2 regions

正解：B 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 3

Alibaba Cloud OSS is a cloud storage service that features massive capacity, outstanding security, low cost, and high reliability. To control access to files stored on OSS, OSS provides multiple access permissions for each bucket. These bucket permissions are _______________. (Choose three.)

（A）Public-read

（B）Private

（C）Public-read-write

（D）Private-read

正解：A、B、C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 4

In an Alibaba Cloud Elastic Compute Service (ECS) instance, if you subscribe to the SELINUX service in Linux, this will not affect the monitoring feature in the ECS management console.

（A）FALSE

（B）TRUE

正解：B 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 5

Two modes are available for deleting scaling groups in Auto Scaling: ForceDelete mode and non-ForceDelete mode. Which of the following conditions must be met in non-ForceDelete mode? (Choose two.)

（A）No scaling activities are ongoing in the scaling group

（B）The scaling group is not working in conjunction with SLB and ApsaraDB for RDS

（C）No ECS instances exist in the scaling group

（D）No scheduled tasks and event-triggered tasks exist in the scaling group

正解：A、C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 6

You need to create a new ECS instance for a 10-data test. Which of the following billing methods is most cost- effective?

（A）Pay-As-You-Go

（B）Subscription

（C）Pay-AS-You-Go with Savings Plan

（D）Preemptible

正解：C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 7

After activating an SLB, it will be assigned an IP address. The SLB will keep this IP address until it is released.

（A）False

（B）True

正解：B 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 8

Alibaba Cloud ECS provides multiple instance types to meet the needs of different business scenarios. A medium-sized enterprise user wants to use two ECS instances, one to deploy a single Tomcat service and the other one to deploy Memcache. Which of the following configurations is most recommended?

（A）Tomcat: 4 cores. 8G, Memcache: 2 cores: 16G

（B）Tomcat: 4 cores, 4G, Memcache: 2 cores, 8G

（C）Tomcat: 4 cores 8G. Memcache: 2 cores 8G

（D）Tomcat: 4 cores: 4G, Memcache: 2 cores: 16G

正解：D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 9

Once ECS is created, you can't change its private IP address anymore.

（A）False

（B）True

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 10

Alibaba Cloud Content Delivery Network (CDN) is a distributed network built on top of a base network with edge node server clusters distributed across various regions. If a user finds that the CDN cache hit rate is low, the possible reasons are ____________. (Choose three.)

（A）If the cache configuration is inappropriate (e.g., overly short Cache Expiry Time for popular files), this may result in frequent back-to-source operations.

（B）The HTTP Header setting may cause the cache to fail. In this case, users must check the origin site's
"Cache-Control" and "Expires" settings.

（C）If the origin site has a large number of dynamic resources or mostly non-cacheable content, this can also lead to frequent back-to-source operations.

（D）Insufficient bandwidth was selected when enabling the CDN service, making the service capacity reach its limit.

（E）When websites have low access traffic and the files are not popular enough, the CDN will receive fewer requests and result in a lower cache hit rate.

正解：A、C、E 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

ACP-Cloud1 無料問題集「Alibaba Cloud ACP Cloud Computing Professional」

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