Free Access Salesforce.DEX-450.v2022-08-09.q120 Practice Test (Page 15)

Question 66

A developer needs to display all of the available fields for an object.
In which two ways can the developer retrieve the available fields if the variable myObject represents the name of the object? (Choose two.)

A.Use mySObject.myObject.fields.getMap() to return a map of fields.

B.Use Schema.describeSObjects(new String[]{myObject})[0].fields.getMap() to return a map of fields.

C.Use getGlobalDescribe().get(myObject).getDescribe().fields.getMap() to return a map of fields.

D.Use myObject.sObjectType.getDescribe().fieldSet() to return a set of fields.

Question 67

Which three statements are true regarding trace flags? (Choose three.)

A.If active trace flags are not set, Apex tests execute with default logging levels.

B.Trace flags can be set in the Developer Console, Setup, or using the Tooling API.

C.Setting trace flags automatically cause debug logs to be generated.

D.Trace flags override logging levels.

E.Logging levels override trace flags.

Question 68

An after trigger on the Account object performs a DML update operation on all of the child Opportunities of an Account. There are no active triggers on the Opportunity object, yet a "maximum trigger depth exceeded" error occurs in certain situations.
Which two reasons possibly explain the Account trigger firing recursively? (Choose two.)

A.Changes are being made to the Account during an unrelated parallel save operation.

B.Changes to Opportunities are causing cross-object workflow field updates to be made on the Account.

C.Changes are being made to the Account during Criteria Based Sharing evaluation.

D.Changes to Opportunities are causing roll-up summary fields to update on the Account.

Question 69

How can a developer avoid exceeding governor limits when using Apex Triggers? (Choose 2)

A.By performing DML transactions on a list of sObjects.

B.By using a helper class that can be invoked from multiple triggers

C.By using Maps to hold data from query results

D.By using the Database class to handle DML transactions

Question 70

A developer created a Visualforce page with a custom controller to show a list of accounts. The page uses the <apex:SelecList> component, with a variable called "selection", to show the valid values for Account.Type. The page uses an <apex:pageBlockTable> component to display the list of accounts, where the iteration variable is "acct". The developer wants to ensure that when a user selects a type on the <apex : selectList> component, only accounts with that type are shown on the page. What should the developer do to accomplish this?

A.Create multiple lists in the controller that represent the relevant accounts for each account type when the page loads, then reference the correct one dynamically on the pageBlockTable.

B.Add the Rendered={!Acct.type==selection} attribute to the pageBlockTable component

C.Use the onChange event to update the list of accounts in the controller when the value changes, and then re-render the pageBlockTable.

D.Create a component for each option and use a variable with hide parameter on the element.

Other Version: 3083Salesforce.DEX-450.v2025-06-16.q199; 1389Salesforce.DEX-450.v2023-12-30.q126; 1167Salesforce.DEX-450.v2023-09-15.q70; 3932Salesforce.DEX-450.v2022-11-24.q220; 2785Salesforce.DEX-450.v2022-04-15.q121

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Question 66

Question 67

Question 68

Question 69

Question 70

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