ACA ACA Container and Serverless Services 2

Question 1

In Alibaba Cloud Function Compute, what billing model is used for execution?

Accepted Answer

Pay-per-invocation based on number of requests and execution duration (GB-seconds)

Answer

Function Compute charges based on the number of function invocations and the compute time consumed (measured in GB-seconds), so you pay only when code runs.

Question 2

What is a Namespace in Alibaba Cloud Container Registry (ACR) used for?

Accepted Answer

A logical grouping of container image repositories for access management and organization

Answer

An ACR Namespace organizes repositories under a common prefix and allows you to apply access control policies at the namespace level.

Question 3

Which Kubernetes resource type in ACK is used to expose a deployment to external internet traffic?

Accepted Answer

LoadBalancer Service (backed by Alibaba Cloud SLB)

Answer

Creating a Kubernetes Service of type LoadBalancer in ACK automatically provisions an Alibaba Cloud SLB to route external traffic to the pods.

Question 4

What is the purpose of Horizontal Pod Autoscaler (HPA) in an ACK cluster?

Accepted Answer

To scale the number of pod replicas up or down based on CPU/memory or custom metrics

Answer

HPA monitors pod-level metrics and automatically adjusts the replica count of a deployment to match current workload demand.

Question 5

Which Alibaba Cloud service is commonly used with Function Compute to build RESTful APIs from serverless functions?

Accepted Answer

API Gateway

Answer

Alibaba Cloud API Gateway integrates natively with Function Compute, routing HTTP requests to functions and handling authentication, rate limiting, and monitoring.

ACA - Alibaba Cloud Certified Associate Practice Test

ACA - Alibaba Cloud Certified Associate Practice Test

ACA ACA Container and Serverless Services 2