Salesforce Certified Platform Developer -1 Winter ’18 Release Exam Q & A

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1 of 6. In which two ways does Lightning Data Service (LDS) eliminate redundant server calls in Lightning Components? Choose 2 answers

  • *A. LDS identifies requests that involve the same record data and sends a single shared data request that updates all relevant components.
  • B. LDS allows each component within an app to make independent, but concurrent, calls to perform CRUD operations on the same record data.
  • C. LDS can be configured as a publisher hub with simple Apex code.
  • *D. LDS acts as a publisher hub that notifies components of data changes.

2 of 6. Which two statements are true regarding Lightning component JavaScript code validation? Choose 2 answers

  • *A. Code validations can be temporarily disabled by setting the component version to API 40.0 or earlier.
  • B. Code validations enforce all ESlint rules.
  • *C. Code validations are applied only to components set to API version 41.0 and later.
  • D. The validation service ensures good software design and prevent bugs.

3 of 6. What are two valid scenarios for automatic recompilation of Apex classes? Choose 2 answers

  • A. All Apex classes are automatically recompiled when Apex transactions are run.
  • *B. All Apex classes are automatically recompiled before a package is installed.
  • C. Specific Apex classes are automatically recompiled before completing a metadata deploy.
  • *D. All Apex classes are automatically recompiled before completing a metadata deploy.

4 of 6. What is the correct annotation to indicate test classes that can run in parallel?

  • A. @isTest(runParallel=true)
  • B. @isTest
  • C. @isTest(isParallelrun=true)
  • *D. @isTest(isParallel=true)

5 of 6. Which Content Security Policy (CSP) configuration is required to access the Streaming API and call Apex methods from within a Lightning container component?

  • *A. CSP set to low
  • B. CSP set to minimum
  • C. CSP set to Lightning
  • D. CSP set to custom

6 of 6. In which two ways does Salesforce DX facilitate source-driven development? Choose 2 answers

  • A. Salesforce DX provides an efficient, end-to-end life cycle designed for waterfall development.
  • *B. Salesforce DX provides an integrated, end-to-end life cycle designed for high-performance agile development.
  • C. Salesforce DX allows agile, local test runs.(also the right answer – Please check in reference link for more information)
  • *D. Salesforce DX shifts the source of truth from the org to the version control system

Reference Links:

https://automationchampion.com/tag/salesforce-winter18-release-exam-platform-developer-i/

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