Question 1

A company has a custom object, Order__c, that has a required, unique, external ID field called Order_Number__c. Which statement should be used to perform the DML necessary to insert new records and update existing records in a List of Order__c records?

Options :

A : upsert orders;

B : merge orders;

C : merge orders Order_Number__c;

D : upsert orders Order_Number__c;

Answer: D

Question 2

A developer notices the execution of all the test methods in a class takes a long time to run, due to the initial setup of ail the test data that is needed to perform the tests.What should the developer do to speed up test execution?

Options :

A : Define a method that creates test data and annotate with @testSetup.

B : Define a method that creates test data and annotate with @createData

C : Reduce the amount of test methods in the class.

D : Ensure proper usage of test data factory In all test methods.

Answer: A

Question 3

Consider the following code snippet:When the component is deployed, an error is reported.Which two changes should the developer implement in the code to ensure the component deploys successfully?Choose 2 answers

Options :

A :

B :

C :

D :

Answer: B,D

Question 4

users complain that a page Is very slow to respond. Upon investigation, the query below Is found to perform slowly.SELECT id, Name FROM Contact WHERE CustomField_c null;Which two actions can a developer take to improve performance?Choose 2 answers

Options :

A : Add a UMir dause to the query to reduce the number of records returned.

B : Contact Salesforce customer support to create a custom index to include null values

C : Make the CustomFleld__c field an External ID.

D : Make the field CustomReW__c required because Salesforce field Indexes do not Include nulls.

Answer: A,D

Question 5

< lightning: layout multipleRows='true' > < lightning: layoutItem size='12' >{!v.account.Name} < /flighting: layoutitem > < lightning:layoutitem 3ize='12' >{!v. account .AccountNumber} < /lighting: layoutitem > < lightning: layoutitem size='12' >{!v.account. Industry} < /lighting: layoutitem > < /lightning: layout > Refer to the component code above. The information displays as expected (in three rows) on a mobile device. However, the information is not displaying as desired (in a single row) on a desktop or tablet. Which option has the correct component changes to display correctly on desktops and tablets?

Options :

A :

B :

C :

D :

Answer: C

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