Exam Code: ACA-CLOUD1
Exam Name: ACA Cloud Computing Associate
Updated: Nov 10, 2024
Q&As: 72
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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
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?
A. Eight
B. Ten
C. Six
D. Five
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.)
A. Check ECS or CloudMonitor product documents.
B. Open a ticket to Alibaba Cloud help desk.
C. Look for answers in Alibaba Cloud forum.
D. You cannot obtain any help from Alibaba Cloud.
Server Load Balancer can manage sudden spikes in traffic, minimize response time and maintain 99.99% availability of your web application.
A. TRUE
B. FALSE
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.
A. TRUE
B. FALSE
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