SF-PD2 Advanced Developer Fundamentals — All Questions With Answers

{
  "query": "SELECT Id, Account.Name FROM Contact WHERE Email != NULL",
  "error": "System.QueryException: Aggregate expression cannot be used in a WHERE clause"
}

{
  "class": "BatchProcessor",
  "method": "execute",
  "log": "Database.Error: CANNOT_INSERT_UPDATE_ACTIVATE_ENTITY: MyTrigger: execution of AfterUpdate... System.LimitException: Too many SOQL queries: 101"
}

{
  "Code": "public class DataManager {\n  private static List<Account> cache;\n  public static List<Account> getAccounts() {\n    if (cache == null) {\n      cache = [SELECT Id, Name FROM Account LIMIT 100];\n    }\n    return cache;\n  }\n}"
}

{
  "apex_class": "PolicyService",
  "method": "processRecords",
  "error": "System.LimitException: Too many SOQL queries: 101"
}

{
  "apex_code": "public void updateAccount(Id accId) { 
    Account acc = [SELECT Id, Name FROM Account WHERE Id = :accId];
    acc.Name = 'New Name';
    update acc; 
  }"
}

{
  "ApexClass": {
    "Name": "AccountService",
    "SharingModel": "With Sharing",
    "Method": "process(List<Account> accounts)",
    "SecurityCheck": "Schema.sObjectType.Account.isUpdateable()"
  }
}

{
  "Code": "HttpRequest req = new HttpRequest();\nreq.setEndpoint('callout:MyNamedCred/api/data');\nreq.setMethod('POST');\nreq.setBody(JSON.serialize(payload));\nHttp h = new Http();\nHttpResponse res = h.send(req);"
}