Free Alibaba Cloud ACA-CloudNative Practice Exam with Questions & Answers | Set: 4

Allow clusters running on IDCs, other clouds, and Alibaba Cloud itself, to be used with

"Register Cluster" which is provided by Alibaba Cloud to manage multi-cluster environments.

Allow a cluster running in a local IDC to scale out to Alibaba Cloud.

Allow a cluster running on Alibaba Cloud to access a database running in a local IDC.

Alibaba Cloud's K8S services cannot provide this functionality: use K8S itself to manage multicloud environments instead.

All communications and business logic should use a middleware called ESB(enterprise service bus), so all service maintenance will be in one place.

External applications should use API Gateway

Communications from other applications should directly use Database PL/SQL, it will become efficient

Communication in microservices architecture should use Proxy and VPN, and it will be more secured

Use session from webservice for stateless Authentication R Use JSON Web Tokens(JWT) for stateless Authentication

Domain-Driven Design

Decompose by Business capability

Centralize all components(Authorization, Presentation, Business logic, Database layer) use single-tiered software application combined into a single program from a single platform

Divide and conquer

Decompose by Subdomain

Elasticsearch

Kibana

Grafana

Logstash

True

False

True

False

In one zone

In two zones

In three zones

In four zones

ECS

ECI

True

False

Logs

Metrics

APM tracing

All above