Salesforce Salesforce Certifications CRT-450 Questions & Answers

• Question 141:

  Which three per-transaction limits have higher governor limits in asynchronous Apex transactions?

  A. Maximum CPU time

  B. Maximum heap size

  C. Total SOQL queries

  D. Maximum execution time

  E. Records returned by SOQL

  Correct Answer: ACE

• Question 142:

  Which statement is true regarding execution order when triggers are associated to the same object and event?

  A. Trigger execution order cannot be guaranteed.

  B. executed In the order they are modified.

  C. Triggers are executed alphabetically by trigger name.

  D. Triggers are executed in the order they are created.

  Correct Answer: A

• Question 143:

  Refer to the following code that runs in an Execute Anonymous block:

  A. In an environment where the full result set is returned, what is a possible outcome of this code?

  B. The total number of records processed as a result of DML statements will be exceeded

  C. The total number of records processed as a result of DML statements will be exceeded.

  D. The transaction will succeed and the first ten thousand records will be committed to the database.

  E. The total number of DML statements will be exceeded.

  Correct Answer: B

• Question 144:

  The Job_Application__c custom object has a field that is a Master-Detail relationship to the Contact object, where the Contact object is the Master. As part of a feature implementation, a developer needs to retrieve a list containing all Contact records where the related Account Industry is `Technology' while also retrieving the contact's Job_Application__c records. Based on the object's relationships, what is the most efficient statement to retrieve the list of contacts?

  A. [SELECT Id, (SELECT Id FROM Job_Applications_r) FROM Contact WHERE Account.Industry = `Technology'];

  B. [SELECT Id, (SELECT Id FROM Job_Applications_r) FROM Contact WHERE Accounts.Industry = `Technology'];

  C. [SELECT Id, (SELECT Id FROM Job_Applications_c) FROM Contact WHERE Accounts.Industry = `Technology'];

  D. [SELECT Id, (SELECT Id FROM Job_Application_c) FROM Contact WHERE Account.Industry = `Technology'];

  Correct Answer: B

• Question 145:

  An Apex method, getAccounts, that returns a List of Accounts given a searchTerm, is available for Lightning Web components to use. What is the correct definition of a Lightning Web component property that uses the getAccounts method?

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: C

• Question 146:

  A developer needs to save a List of existing Account records named myAccounts to the database, but the records do not contain Salesforce Id values. Only the value of a custom text field configured as an External ID with an API name of Foreign_Key__c is known. Which two statements enable the developer to save the records to the database without an Id? (Choose two.)

  A. Upsert myAccounts Foreign_Key__c;

  B. Upsert myAccounts(Foreign_Key__c);

  C. Database.upsert (myAccounts, Foreign_Key__c);

  D. Database.upsert(myAccounts).Foreign_Key__c;

  Correct Answer: AC

• Question 147:

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

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

  B. Logging levels override trace flags.

  C. Trace flags override logging levels.

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

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

  Correct Answer: CDE

• Question 148:

  What should a developer do to check the code coverage of a class after running all tests?

  A. View the Code Coverage column in the view on the Apex Classes page.

  B. View the Class test Coverage tab on the Apex Class record.

  C. View the overall Code Coverage panel of the tab in the Developer Console.

  D. Select and run the class on the Apex Test Execution page

  Correct Answer: B

• Question 149:

  As a part of class implementation a developer must execute a SOQL query against a large data ser based on the contact object. The method implementation is as follows.

  Which two methods are best practice to implement heap size control for the above code? (Choose 2 Answers)

  A. Use the FOR UPDATE option on the SOQL query to lock down the records retrieved.

  B. Use visual keyword when declaring the retrieve variable.

  C. Use a SOQL FOR loop, to chunk the result set in batches of 200 records.

  D. Use WHERE clauses on the SOQL query to reduce the number of records retrieved.

  Correct Answer: BC

• Question 150:

  What is the result of the following code?

  A. The record will not be created and a exception will be thrown.

  B. The record will be created and a message will be in the debug log.

  C. The record will not be created and no error will be reported.

  D. The record will be created and no error will be reported.

  Correct Answer: C