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

質問 1

Which of the following statements is most accurate about the Data Transmission Service (DTS) database migration function?

（A）Supports database schema replication between instances.

（B）Supports all of the above functions.

（C）Supports migrating MySQL databases from external sources.

（D）Supports warning when source and destination has some unresolved conflict found.

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 2

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

（D）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.

正解：A、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

As a technical employee at a startup company, you deploy static files such as images and videos on the same ECS instance to provide services. After some time, due to business growth, you find that these static files are using too much ECS disk space. To quickly address this issue, you should choose Alibaba Cloud
_________________.

（A）Server Load Balancer (SLB)

（B）ApsaraDB for RDS

（C）Object Storage Service (OSS)

（D）Auto Scaling

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 4

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）Directly copying to/from OSS using portable disks

（C）Uploading using the API

（D）Upload using the SDK

正解：C、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 5

Compared with traditional physical servers, upgrading an ECS instance is much easier. Which of the following statements about upgrading an ECS instance is false?

（A）You can upgrade the CPU, memory, and bandwidth.

（B）Upgrading network bandwidth does not require the ECS instance to restart.

（C）Upgrading the configuration of the ECS instance requires no' redeployment or data migration.

（D）You can change an instance's operating system without rebooting.

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 6

A challenging thing in the gaming industry is the unpredictable and fluctuating business traffic. For example,
1 ECS instance is enough to meet all business demands today; however, we may need 10 ECS instances tomorrow.
In this situation, it is difficult to predict the number of ECS instances required. If we use too few ECS instances, we may not be able to cope with business peaks; whereas if we use too many ECS instances, we may introduce unnecessary costs.
On Alibaba Cloud, _______________ is the best product portfolio to cope with the gaming scenario described above.

（A）Elastic Compute Service (ECS)

（B）Server Load Balancer (SLB) + Elastic Compute Service (ECS) + ApsaraDB for RDS

（C）Server Load Balancer (SLB) + Elastic Compute Service (ECS) + ApsaraDB for RDS + Auto Scaling

（D）Elastic Compute Service (ECS) + Auto Scaling

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 Alibaba Cloud Elastic Compute Service (ECS) instance, you want to monitor the status of the ECS instance via Alibaba Cloud console. Therefore: you must activate and purchase Alibaba Cloud CloudMonitor service to meet this demand.

（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 8

When using Alibaba Cloud SLB, users can enable the Health Check function. Layer-4 SLBs (TCP protocol) determine the availability of ECS instances through _________________.

（A）Status codes returned from backend ECS instances.

（B）Whether the 3-way handshake can be established between the backend ECS instance and the SLB.

（C）Length of the message returned from backend ECS instances.

（D）Special characters contained in the message returned from backend ECS instances.

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 9

Object Storage Service (OSS) supports access logging. A bucket owner can activate access logging for their buckets in the OSS management console. When access logging is activated for bucket A, OSS automatically accesses the request logs for this bucket (in hours) and generates and writes an object to the user-specified bucket B according to certain naming rules. Which of the following statements is true for OSS logging?

（A）Buckets A and B can belong to different users.

（B）Buckets A and B must be different buckets.

（C）Buckets A and B can be separate buckets (or a single bucket) but they must belong to the same user

（D）Buckets A and B must be the same bucket.

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 10

Cloud Disk is a block storage product provided by Alibaba Cloud (especially for ECS). It features low latency and high reliability. Which of the following statements is true for Cloud Disk?

（A）Cloud Disk can be attached between ECS instances under the same account and in the same zone.

（B）Cloud Disk cannot be attached or detached between ECS instances.

（C）Cloud Disk can be used directly without formatting.

（D）A Cloud Disk can be attached to an instance in a different region than the Cloud Disk.

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)

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

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