Instant Download Alibaba Cloud ACA-Cloud1 Free Updated Test Dumps [Q29-Q51]

QUESTION 29
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, because of its underlying backup technology and policies. Which of the following statement about OSS backup is correct?

QUESTION 30
Alibaba Cloud CDN can directly accelerate the access to the files stored in OSS and reduce OSS traffic costs.

QUESTION 31
feature in Server Load Balancer means that it can forward the access requests from a single user to the same ECS instance within a certain period to ensure session continuity.

QUESTION 32
Which of the following is not the database type supported by RDS?

QUESTION 33
Alibaba Cloud does not support Intranet communication between products that are not in the same region, which does not mean?

QUESTION 34
You are developing a highly available web application using stateless web servers. Which services are suitable for storing session state data? (Choose two.)

QUESTION 35
A customer uses Alibaba Cloud Auto Scaling service and creates a scaling group. He/she sets the “Minimum number of instances” to 6 and “Maximum number of instances” to 8.
After correctly configuring scaling settings, the customer adds a scaling rule “Adjust to 10 ECS instances”, and creates a scheduled task based on this rule.
And then, the customer checks the scaling group and see it already contains 6 valid ECS instances, he/she then enables this scaling group immediately.
How many ECS instances are left in the scaling group when the scheduled task is activated once?

QUESTION 36
A/An is a copy of data on a disk at a certain point in time.

QUESTION 37
Alibaba Cloud Monitor service stems from years of experience of server monitoring technology in Alibaba group, leveraging the powerful data analysis capability of Alibaba cloud computing platform to provide monitoring service for various clients’ applications and servers. A user receives an alert saying that the IOPS utilization rate for an ECS instance exceeds 80%. Yet, he/she is not sure how to handle the situation, the user may obtain help from Alibaba Cloud through the below methods ____________________? (Choose three.)

QUESTION 38
Auto Scaling is a management service that can automatically adjust elastic computing resources based on your business needs and policies. Which of the following is not the feature supported by Alibaba Cloud Auto Scaling?

QUESTION 39
RDS provides whitelist access policies. You can set permitted IP addresses and IP network segments to effectively prevent hackers from attacking the server by port scanning.

QUESTION 40
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.

QUESTION 41
You can an ECS instance’s configuration. (Choose two.)

QUESTION 42
A customer uses Alibaba Cloud Auto Scaling service and creates a scaling group. He/she sets the “Minimum number of instances” to 6 and “Maximum number of instances” to 8.
After correctly configuring scaling settings, the customer adds a scaling rule “Adjust to 10 ECS instances”, and creates a scheduled task based on this rule.
And then, the customer checks the scaling group and see it already contains 6 valid ECS instances, he/she then enables this scaling group immediately.
How many ECS instances are left in the scaling group when the scheduled task is activated once?

QUESTION 43
Your friend purchases some Alibaba Cloud resources and uses them to build an online training website. Before the site goes online, your friend wants to perform some performance tests but doesn’t know how to do it. In this case, which of the following services can help?

QUESTION 44
Cloud disks are reliable because they use __________ to provide block-level data storage for ECS instances, ensuring 99.9999999% data reliability.

QUESTION 45
A/Anis a copy of data on a disk at a certain point in time.

QUESTION 46
A large shopping mall deploys a new video surveillance system. The five-floor building in which the mall is located installed 35 HD cameras to monitor the major exits. The surveillance system is deployed on an ECS instance, which has four 2 TB data disks to store video data.
However, video data grows rapidly and the engineers find that the ECS will run out of storage space within 2 weeks.
In this case, product is thought to be the best solution for addressing the storage challenge while ensuring quick access to historical video data when needed.

QUESTION 47
Which 2 OSS object types can be configured as parameter for object lifecycle management? (Choose two.)

QUESTION 48
In which of the following cases would you need to apply an ICP license? (Choose three.)

QUESTION 49
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.

QUESTION 50
Server Load Balancer can help protect from ___________________ attack.

QUESTION 51
Alibaba Cloud does not support Intranet communication between products that are not in the same region, which does not mean ?