CRT-450 Practice Test Questions

Before putting an app into production, which step should be taken?

A. Run the production check feature via the web interface

B. Switch to a production database

C. Insure that you have installed a performance introspection add-on

D. Scale your dynos

What is a capability of formula fields? (Choose 3)

A. Generate a link using the HYPERLINK function to a specific record in a legacy system.

B. Display the previous values for a field using the PRIORVALUE function.

C. Return and display a field value from another object using the VLOOKUP function.

D. Determine if a datetime field has passed using the NOW function.

E. Determine which of three different images to display using the IF function.

What is a valid statement about Apex classes and interfaces? Choose 2 answers:

A. The default modifier for a class is private.

B. Exception classes must end with the word exception.

C. A class can have multiple levels of inner classes.

D. The default modifier for an interface is private

Which two are true regarding a Dyno? Choose 2 answers

A. Is a light weight VM used to run code on the Heroku Platform

B. Has the ability to sleep as a standard and performance Dyno

C. Is a lightweight Linux container used in a collection to run Heroku applications

D. Has Ephemeral filesystems and is rebooted every 24 hours.

What is a capability of cross-object formula fields? Choose 3 answers

A. Formula fields can reference fields from master-detail or lookup parent relationships.

B. Formula fields can expose data the user does not have access to in a record.

C. Formula fields can be used in three roll-up summaries per object.

D. Formula fields can reference fields in a collect of records from a child relationship.

E. Formula fields can reference fields from objects that are up to 10 relationships away.

What is a capability of the Developer Console?

A. Execute Anonymous Apex code, Create/Edit code, view Debug Logs.

B. Execute Anonymous Apex code, Run REST API, create/Edit code.

C. Execute Anonymous Apex code, Create/Edit code, Deploy code changes.

D. Execute Anonymous Apex code, Run REST API, deploy code changes.

A developer runs the following anonymous code block:List acc = [SELECT Id FROM Account LIMIT 10];Delete acc;Database.emptyRecycleBin(acc);system.debug(Limits.getDMLStatements()+ ‘, +Limits.getLimitDMLStatements());What is the result?<

A. 11, 150

B. 150, 2

C. 150, 11

D. 2, 150

Which trigger event allows a developer to update fields in the Trigger.new list without using an additional DML statement?Choose 2 answers

A. Before insert

B. Before update

C. After update

D. After insert

When creating unit tests in Apex, which statement is accurate?Choose 2

A. Unit tests with multiple methods result in all methods failing every time one method fails.

B. Increased test coverage requires large test classes with many lines of code in one method.

C. Triggers do not require any unit tests in order to deploy them from sandbox to production.

D. System Assert statements that do not Increase code coverage contribute important feedback in unit tests

The Review_c object have a lookup relationship to the job_Application_c object. The job_Application_c object has a master detail relationship up to the position_c object. The relationship is based on the auto populated defaults? What is the recommended way to display field data from the related Review _C records a Visualforce page for a single Position_c record? Select one of the following:

A. Utilize the Standard Controller for Position_c and cross-object Formula Fields on the Job_Application_c object to display Review_c data.

B. Utilize the Standard Controller for Position_c and a Controller Extension to query for Review_c data.

C. Utilize the Standard Controller for Position_c and expression syntax in the Page to display related Review_c through the Job_Applicacion_c inject.

D. Utilize the Standard Controller for Position_c and cross-object Formula Fields on the Review_c object to display Review_c data.