Salesforce Salesforce Certifications CRT-450 Questions & Answers

• Question 321:

  What is the result when a Visualforce page calls an Apex controller, which calls another Apex class, which then results in hitting a governor limit?

  A. Any changes up to the error are saved.

  B. Any changes up to the error are rolled back.

  C. All changes before a savepoint are saved.

  D. All changes are saved in the first Apex class.

  Correct Answer: B

• Question 322:

  When the number of record in a recordset is unknown, which control statement should a developer use to implement a set of code that executes for every record in the recordset, without performing a .size() or .length() method call?

  A. For (init_stmt, exit_condition; increment_stmt) { }

  B. Do { } While (Condition)

  C. For (variable : list_or_set) { }

  D. While (Condition) { ... }

  Correct Answer: C

• Question 323:

  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.

  Correct Answer: BD

• Question 324:

  A developer has the following trigger that fires after insert and creates a child Case whenever a new Case is created. List childCases = new List();for (Case parent : Trigger.new){Case child = new Case (ParentId = parent.Id, Subject = parent.Subject);childCases.add(child);}insert childCases; What happens after the code block executes?

  A. Multiple child cases are created for each parent case in Trigger.new.

  B. Child case is created for each parent case in Trigger.new.

  C. The trigger enters an infinite loop and eventually fails.

  D. The trigger fails if the Subject field on the parent is blank.

  Correct Answer: B

• Question 325:

  When would a developer use a custom controller instead of a controller extension?

  A. When a Visualforce page needs to replace the functionality of a standard controller

  B. When a Visualforce page does not reference a single primary object

  C. When a Visualforce page should not enforce permissions or field-level security

  D. When a Visualforce page needs to add new actions to a standard controller

  Correct Answer: BC

• Question 326:

  What is a capability of the Force.com IDE? Choose 2 answers

  A. Roll back deployments.

  B. Run Apex tests.

  C. Download debug logs.

  D. Edit metadata components.

  Correct Answer: BD

• Question 327:

  Which code segment can be used to control when the dowork() method is called?

  A. For (Trigger.isRunning t: Trigger.new) { dowork(); }

  B. If(Trigger.isRunning) dowork();

  C. For (Trigger.isInsert t: Trigger.new) { dowork(); }

  D. If(Trigger.isInsert) dowork();

  Correct Answer: D

• Question 328:

  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.

  Correct Answer: B

• Question 329:

  A developer in a Salesforce org with 100 Accounts executes the following code using the Developer console: Account myAccount = new Account(Name = 'MyAccount');Insert myAccount;For (Integer x = 0; x < 250; x++) {Account newAccount = new Account (Name='MyAccount' + x);try {Insert newAccount;}catch (Exception ex) {System.debug (ex) ;}}insert new Account (Name='myAccount'); How many accounts are in the org after this code is run?

  A. 101

  B. 100

  C. 102

  D. 252

  Correct Answer: B

• Question 330:

  A developer writes a before insert trigger.How can the developer access the incoming records in the trigger body?

  A. By accessing the Trigger.new context variable.

  B. By accessing the Trigger.newRecords context variable.

  C. By accessing the Trigger.newMap context variable.

  D. By accessing the Tripper.newList context variable.

  Correct Answer: A