Mulesoft Certified Developer-Level2 - Study Material

My Study Notes for Salesforce Certified Mulesoft Developer - Level2.

Go thru chapter wise (DataSheet) reference links for each topic provided below and make notes for quick reference.

Take Mulesoft Certified Developer Level2 Practice test provided by MuleSoft training as many times as possible @   https://training.mulesoft.com/certification/developer-mule4-level2/practice-exam

 

MCD Level2 - DataSheet

Ch1:Expose production-ready Anypoint Platform managed APIs from Mule applications 

https://help.mulesoft.com/s/question/0D52T00004mXYC6SAO/horizontal-scaling-vs-vertical-scaling-of-mule-workers

Implement versioning of specific API-related artifacts

• https://docs.mulesoft.com/exchange/to-change-raml-version

• https://forum.raml.org/t/as-versions-is-managed-in-raml/788/3

  Configure custom or out-of-the-box (OOTB) API policies

https://docs.mulesoft.com/gateway/policies-included-http-caching

https://docs.mulesoft.com/api-manager/1.x/json-xml-threat-policy

https://docs.mulesoft.com/gateway/policies-mule3-add-headers-policy#:~:text=Adds%20one%20or%20more%20headers,response%20from%20the%20backend%20service. https://docs.mulesoft.com/api-manager/2.x/spike-control-reference

https://github.com/mulesoft-labs/exchange-documentation-samples/tree/master/policy

https://anypoint.mulesoft.com/exchange/portals/anypoint-platform/f1e97bc6-315a-4490-82a7-23abe036327a.anypoint-platform/exchange-maven-facade-api-http/

https://docs.mulesoft.com/api-manager/2.x/custom-policy-4-reference#outbound-policies
https://docs.mulesoft.com/gateway/policies-custom-getting-started

• Policy Template and Policy Definition are downloaded from API Manager to Runtime.

• PolicyTemplate Contains:

• Jar file - mule policy with template

• YAML file - policy UI configuration elements and its configuration

• Policy Definition:

• XML file - Contains all configured values from the policy

• JSON file - contains auto discovery api id , policy id and policy name etc.
    Implement server-side caching of API invocations using API policies
  
  

• 
    Request access to an APIs while honoring environment- specific scoping
  https://docs.mulesoft.com/exchange/to-request-access

• 
    Implement HTTP callbacks (webhooks)

• https://blogs.mulesoft.com/dev-guides/how-to-tutorials/webhooks-integration-fun-with-mule/

• https://blogs.mulesoft.com/dev-guides/api-design/implementing-event-driven-capabilities-existing-apis/

• 
  
    Code API implementations to perform API auto-discovery 

• https://docs.mulesoft.com/gateway/policies-policy-overview

• https://docs.mulesoft.com/gateway/mule-gateway-config-autodiscovery-mule4

• https://docs.mulesoft.com/api-manager/2.x/configure-autodiscovery-4-task

Ch2:Implement maintainable and modular Mule applications and their Maven builds

Modularize and optimize Mule application Maven build configurations

https://docs.mulesoft.com/mule-runtime/4.4/using-maven-with-mule

https://www.baeldung.com/maven

https://maven.apache.org/guides/getting-started/maven-in-five-minutes.html

https://maven.apache.org/guides/getting-started/index.html

https://www.youtube.com/watch?v=tvhUV7uct68

https://stackoverflow.com/questions/4113697/in-maven-how-to-exclude-resources-from-the-generated-jar

Implement Maven based automated deployment to Mule runtimes

https://docs.mulesoft.com/mule-runtime/3.5/building-a-mule-application-with-maven-outside-studio

https://dzone.com/articles/mule-maven-plugin-for-deploying-mulesoft-applicati

https://docs.mulesoft.com/mule-runtime/4.4/deploy-to-cloudhub

https://help.mulesoft.com/s/article/How-to-use-Enterprise-Maven-Repository-credentials-with-settings-xml-and-pom-xml-example

  Execute MUnit tests with Maven

https://docs.mulesoft.com/munit/2.0/munit-maven-plugin

Implement unit tests with the MUnit framework and tooling

https://docs.mulesoft.com/munit/2.2/munit-test-concept#munit-test-suite

https://docs.mulesoft.com/munit/2.3/assertion-event-processor

https://hackernoon.com/lets-talk-about-resilience-97051e14761f

Build custom API policies

https://docs.mulesoft.com/api-manager/2.x/custom-policy-4-reference

Encapsulate common Mule application functionality in libraries

https://msujoy-soa.medium.com/designing-reusable-libraries-in-mulesoft-eee50bd592d7

https://blogs.mulesoft.com/dev-guides/how-to-create-a-global-error-handler-in-mule-4/

https://docs.mulesoft.com/mule-runtime/4.4/error-handling#global_error_config_ref

  Implement custom message processors using the Mule SDK or XML SDK 

https://docs.mulesoft.com/mule-sdk/1.1/xml-sdk

https://www.youtube.com/watch?v=M0kju9qvjUg

https://www.youtube.com/watch?v=kjF9sF66EUc&t=391s

Ch3:Implement monitorable Mule applications

Expose health check endpoints from a Mule application

https://help.mulesoft.com/s/article/How-to-implement-health-check-monitor-for-your-apis-in-Cloudhub-Hybrid-and-RTF

https://blogs.mulesoft.com/dev-guides/how-to-tutorials/how-to-check-service-health/

https://blogs.infomentum.com/apis-healthcheck-functional-monitoring-anypoint

https://dzone.com/articles/health-monitoring-of-mulesoft-application

https://docs.mulesoft.com/monitoring/dashboard-custom-config

Implement effective logging

https://www.bigcompass.com/blog/9-essential-laws-of-mulesoft-logging-success

https://docs.mulesoft.com/mule-runtime/4.4/logging-in-mule

https://blogs.mulesoft.com/dev-guides/how-to-tutorials/mulesoft-development-mule-4-logging/

https://docs.mulesoft.com/mule-runtime/4.4/logging-mdc

https://docs.mulesoft.com/web-service-consumer-connector/1.6/web-service-consumer-troubleshooting

Change log levels and aggregate and analyze logs

https://www.tutorialspoint.com/log4j/log4j_logging_levels.htm

https://help.mulesoft.com/s/article/How-to-pass-properties-to-the-Log4j-configuration-file

 Monitor Mule applications and Mule runtimes using Anypoint Platform or external tools

https://docs.mulesoft.com/api-functional-monitoring/

Implement message correlation, including persistence and propagation of correlation IDs over HTTP 

https://github.com/mulesoft-consulting/mule-correlation-custom-policy

https://docs.mulesoft.com/mule-runtime/4.4/correlation-id

https://docs.mulesoft.com/mule-runtime/4.4/correlation-id#:~:text=When%20Mule%20creates%20a%20new,entries%20with%20a%20particular%20execution.

https://help.mulesoft.com/s/article/How-to-Set-Custom-Correlation-Id-for-Flows-with-HTTP-Endpoint-in-Mule-4#:~:text=By%20design%2C%20Correlation%20Ids%20cannot,%2DCorrelation%2DId%22%20header.

Ch4:Implement performant and reliable Mule applications 

Implement ObjectStore persistence for all Mule deployment options

https://medium.com/the-mule-blog/mule-4-lets-take-a-mysterious-ride-with-object-store-v2-95ff2e791796

https://docs.mulesoft.com/object-store-connector/1.2/

https://help.mulesoft.com/s/article/Operations-that-contribute-to-the-Object-Store-V2-Rolling-TTL-extension

https://docs.mulesoft.com/object-store/osv2-apis

Implement fault-tolerant, performant, and traceable message passing with the VM and AnypointMQ connectors

https://docs.mulesoft.com/vm-connector/2.0/

https://docs.mulesoft.com/mq/mq-faq

https://docs.mulesoft.com/anypoint-mq-connector/3.x/anypoint-mq-listener

https://blogs.mulesoft.com/dev-guides/application-network-fault-tolerance/

https://docs.mulesoft.com/vm-connector/2.0/vm-reference#listener

  Implement fault-tolerant invocations of HTTP-based APIs, reacting correctly to HTTP status codes

https://blogs.mulesoft.com/dev-guides/application-network-fault-tolerance/

https://docs.mulesoft.com/http-connector/0.3.9/http-request-connector

https://help.mulesoft.com/s/article/Configuring-the-number-of-re-attempts-on-HTTP-Requester-for-remotely-closed-error

  Validate assertions using the Validation module

https://docs.mulesoft.com/validation-connector/2.0/

https://docs.mulesoft.com/validation-connector/2.0/validation-examples#configure-the-all-scope

Validate messages against XML-or JSON-Schema documents

https://docs.mulesoft.com/mule-runtime/3.9/json-schema-validator

https://docs.mulesoft.com/validation-connector/2.0/validation-examples

Parallelize integration logic using scatter-gather

https://docs.mulesoft.com/mule-runtime/4.3/scatter-gather-concept

Implement compensating transactions for partially failed scatter-gather

https://www.prostdev.com/post/scatter-gather-integration-pattern-mule-4-part-2

Implement client-side caching of API invocations for performance
https://dzone.com/articles/caching-in-mule-4-how-it-works

https://docs.mulesoft.com/mule-runtime/4.4/cache-scope-strategy

Ch5:Secure data at rest and in transit

Implement secure, environment-dependent properties management 

https://docs.mulesoft.com/runtime-manager/secure-application-properties

https://javastreets.com/blog/using-secure-properties-in-dataweave-2.html

Create, package, and distribute keys and certificates

https://www.ibm.com/docs/en/wave-for-zvm?topic=certificate-converting-jks-keystore-pkcs12

https://knowledge.digicert.com/solution/SO17201.html

https://docs.mulesoft.com/mule-runtime/4.4/tls-configuration#:~:text=Mule%20supports%20many%20types%20of,JKS

Expose and invoke APIs over HTTPS

https://docs.mulesoft.com/api-manager/2.x/building-https-proxy

https://www.cloudflare.com/learning/ssl/what-happens-in-a-tls-handshake/

 Implement TLS mutual authentication on the client and server side

https://help.mulesoft.com/s/article/One-way-and-2-way-SSL-Support-for-Cloudhub-Applications-Through-SLB-DLB

https://help.mulesoft.com/s/article/Step-by-step-instructions-on-creating-client-server-apps-with-self-signed-mutual-TLS

https://docs.mulesoft.com/amqp-connector/1.7/amqp-mtls

https://docs.mulesoft.com/mule-runtime/4.4/tls-configuration

https://apisero.com/configuring-mule-application-using-two-way-ssl/

https://www.cloudflare.com/learning/access-management/what-is-mutual-tls/

Implement API invocations authenticated by Basic Auth or OAuth2 with HTTP or REST connectors. 

https://docs.mulesoft.com/api-manager/2.x/manage-client-apps-latest-task

https://docs.mulesoft.com/exchange/to-deploy-using-rest-connect

https://docs.mulesoft.com/http-connector/1.6/http-authentication#oauth2-grant-authentication

https://docs.mulesoft.com/mule-runtime/4.4/authorization-grant-types#authorization-code

Apologies for any typo or formatting issue.

Any suggestion to enhance this content is appreciated.