Apex Fundamentals PLATFORM-DEVELOPER-I Practice Questions (Page 3)

Questions 11–15

1. 11application · easy

   A developer needs to store a list of unique Account IDs that have been processed, and then check if a specific ID has already been processed. Which collection type is most appropriate?

   • AList<Id> processedIds = new List<Id>();
   • BSet<Id> processedIds = new Set<Id>();
   • CMap<Id, Boolean> processedIds = new Map<Id, Boolean>();
   • DInteger[] processedIds = new Integer[]{};
   Reveal Solution Discussion Select an answer first
2. 12foundation · easy

   Which Apex control flow statement is used to execute a block of code only when a specified condition is true?

   • Aif-else
   • Bswitch
   • Cdo-while
   • Dfor loop
   Reveal Solution Discussion Select an answer first
4. 13foundation · easy

   Which DML operation permanently removes a record from the database?

   • Aupdate
   • Binsert
   • Cupsert
   • Ddelete
   Reveal Solution Discussion Select an answer first
5. 14foundation · easy

   What is the primary purpose of an interface in Apex?

   • ATo store data in the database
   • BTo create objects directly
   • CTo define a contract that implementing classes must follow
   • DTo manage governor limits
   Reveal Solution Discussion Select an answer first
6. 15foundation · easy

   Which SOQL query correctly retrieves the Name field from all Account records?

   • ASELECT Name FROM Accounts
   • BSELECT Name FROM Account
   • CSELECT * FROM Account
   • DSELECT Account.Name FROM Account
   Reveal Solution Discussion Select an answer first