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ACA Cloud Computing Certification Exam
Premium Q&As: 50
Last update: September 11, 2023
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Related ACA-Cloud1 Questions & Answers
- Server Load Balancer can manage sudden spikes in traffic, minimize response time and maintain 99.99% availability of your web application.
- Alibaba Cloud’s object storage (Object Storage Service, OSS for short) can be used to store massive amount of files, but there is still a maximum number of files in a single bucket.
- When we talk about the ‘Elastic’ feature for ECS product, we are not talking about _____________.
- If you are running an online ticket booking service with relatively fixed traffic, then which kind of charging mode is more suitable for you?
- RDS for MySQL is a PaaS, which means after creating the RDS instance, the user does not need to take care of the underlying OS, runtime environment of software packages. These would be taken care of by Alibaba Cloud.
- 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.
- Server Load Balancer supports health checks for ECS instances and allows user to specify the frequency. If an ECS instance does not qualify the health check, traffic will not be forwarded to that instance, thereby ensuring application availability.
- Multiple lower-configuration I/O-optimized ECS instances can be used with ___________ to deliver a high-availability architecture.
- 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.
- ___________________ is a ready-to-use service that seamlessly integrates with Elastic Compute Service (ECS) to manage varying traffic levels without manual intervention.
- Alibaba Cloud does not support Intranet communication between products that are not in the same region, which does not mean ______________?
- Auto Scaling can automatically remove unhealthy ECS instances from the scaling group (this feature is called Elastic Self-Health). Yet, after removal, the user has to manually add equivalent amount of new ECS instances back to the scaling group.
- 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/An _________________ is a copy of data on a disk at a certain point in time.
- You can retrieve data directly from an ECS Image and use it right away.