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Tips for passing Salesforce certified Integration Architecture Designer (WI18)

Today (28th Dec'2017), I have successfully passed Salesforce certified Integration Architecture Designer (WI18)  with an overall score 93%

I have faced total 60 questions. Unlike Sharing and Visibility exam and Deployment Designer exam, there are no additional questions. It has taken around 80 hours of preparation mostly one month time frame.

Exam Objective

The Salesforce Certified Integration Architecture Designer exam has the following characteristics:
  • Content: 60 multiple-choice/multiple-select questions* (5 unscored questions will be added)
  • Time allotted to complete the exam: 90 minutes (time allows for unscored questions)
  • Passing Score: 67%
  • Registration fee: USD 400, plus applicable taxes as required per local law
  • Retake fee: USD 200, plus applicable taxes as required per local law
  • Delivery options: Proctored exam delivered onsite at a testing center or in an online proctored environment. Click here for information on scheduling an exam.
  • References: No hard-copy or online materials may be referenced during the exam.
  • Prerequisite: None

*Please note that as of November 16, 2017, all Salesforce certification exams will contain five additional, randomly placed, unscored questions to gather data on question performance. The duration of each exam has been evaluated and adjusted to accommodate the inclusion of the unscored questions. These five questions will be in addition to the 60 scored questions on your exam, and will have no impact whatsoever on your score.

Preparing myself

Before I started my preparation, I have prepared a document and noted down all the points and advice mentioned by these guys. Thanks to all of them.

Topics I have received on Exam

  • Different types of APIs (SOAP, REST, BULK, Metadata), their usage, restrictions and limitations
  • Advantages of using them over another. 
  • Lots of questions of Outbound messages and following points to be noted
    • It has guaranteed delivery and may produce duplicate records in the consumer system.
    • It can pass SessionId
    • To consume it, the end point listener must have SOAP API implementation
    • Declarative way of making outbound call
    • It doesn't allow multiple objects
    • It allows junction object
    • Callback of this message should incur API limit
  • Bulk data load (Bulk API parallel mode and Serial mode with different batch size)
  • Confusing question on SOAP API (parallel mode)
  • API limit
    • Note that SOAP API callout to external system doesn't consume API limit.
    • Bulk API has separate API limit (refer documentation)
  • Unauthenticated and Authenticated mashup. First one is for Custom web tab, second one is for Canvas
  • Different types of testing, like regression, unit, UAT, Continuous integration
  • Different kinds of design patterns and which can be used over another
  • Apex Webservice (SOAP and REST based)
  • Data replication API, SOAP based getUpdated() usage.
  • Salesforce-to-Salesforce (when should be done and not to be)
  • Different kinds of authentication mechanism (including canvas)
  • Different types of sandboxes and which one is suitable for different types of testing
  • Data loading tools (Data loader, Data Import wizard, Workbench)
  • Usage of middleware (4 to 5 questions) and ESB (Enterprise Service Bus)
  • Off-platform de-duplication and Salesforce out-of-box duplicate management (when to use what?)
  • Encryption on rest and transmit - Base64 encoding, platform encryption, encryption with shared key
  • IP white-listing and considerations on firewall.
If anyone follows above links and study material completely then definitely could clear this exam at first try. All the questions are from study materials and based on real life scenarios.

Above all, it's a great relief passing this exam.

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