AliCloud ACA-Cloud1 問題練習

Question No : 1
___________________ is a ready-to-use service that seamlessly integrates with Elastic Compute Service (ECS) to manage varying traffic levels without manual intervention.

• A.Server Load Balancer
• B.OSS
• C.RDS
• D.VPC

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正解:

Question No : 2
Your website has oscillating traffic peaks that are difficult to predict in advance. In this scenario, it is recommended to use SLB and __________________ together with ECS.

• A.RDS
• B.Auto Scaling
• C.VPC
• D.MaxCompute

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Question No : 3
Your website has high volume of traffic and sudden spikes for a very short time. In this scenario, ______________ can manage traffic peak efficiently and maintain a consistent user experience.

• A.Server Load Balancer
• B.Auto Scaling
• C.RDS
• D.VPC

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正解:
Explanation:
Reference: https://www.alibabacloud.com/blog/designing-a-cloud-based-architecture-for-internet-of­vehicles-iov-series-ii_594263

Question No : 4
When we talk about the ‘Elastic’ feature for ECS product, we are not talking about _____________.

• A.Elastic Computing
• B.Elastic Storage
• C.Elastic Network
• D.Elastic Administration

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Question No : 5
If you are running an online ticket booking service with relatively fixed traffic, then which kind of charging mode is more suitable for you?

• A.Pay-As-You-Go
• B.Prepaid
• C.Paypal-pay
• D.bitcoin-pay

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Question No : 6
Alibaba Cloud does not support Intranet communication between products that are not in the same region, which does not mean ______________?

• A.ECS instances in different regions cannot communicate with each other on the intranet.
• B.ECS instances and other products in different regions, such as ApsaraDB for RDS and OSS instances, cannot communicate with each other on the intranet.
• C.Server Load Balancer cannot be deployed for ECS instances in various regions.
• D.Server Load Balancer can be deployed for ECS instances in various regions.

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正解:
Explanation:
Reference: https://www.alibabacloud.com/help/doc-detail/40654.htm

Question No : 7
What is the full name of ECS?

• A.Elastic Compute Service
• B.Elastic Computing Server
• C.Elastic Cost Server
• D.Elastic Communication Server

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Question No : 8
Multiple lower-configuration I/O-optimized ECS instances can be used with ___________ to deliver a high-availability architecture.

• A.Server Load Balancer
• B.RDS
• C.Auto Scaling
• D.OSS

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Question No : 9
A/An _________________ is a copy of data on a disk at a certain point in time.

• A.image
• B.snapshot
• C.template
• D.EIP

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Question No : 10
Using a cloud computing service is simple and straightforward. One can choose the instance with desired specification, finish payment and then use it right away. Moreover, the underlying physical machines are managed by cloud service providers and transparent to users.

• A.TRUE
• B.FALSE

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正解: