Free CRT-450 Exam Dumps

Question 26

Given:
Map accountMap = new Map>ID, Account> ([SELECT Id, Name FROM Account]); What are three valid Apex loop structures for iterating through items in the collection? (Choose three.)

A. for (ID accountID : accountMap.keySet()) {…}
B. for (Account accountRecord : accountMap.values()) {…}
C. for (Integer i=0; I < accountMap>for (ID accountID : accountMap) {…}
D. for (Account accountRecord : accountMap.keySet()) {…}

Correct Answer:ABC

Question 27

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

A. By using a helper class that can be invoked from multiple triggers
B. By using Maps to hold data from query results
C. By using the Database class to handle DML transactions
D. By performing DML transactions on a list of sObject

Correct Answer:BD

Question 28

Which two Apex data types can be used to reference a Salesforce record ID dynamically? (Choose two.)

A. ENUM
B. sObject
C. External ID
D. String

Correct Answer:AD

Question 29

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 myObject.sObjectType.getDescribe().fieldSet() to return a set of fields.
B. Use mySObject.myObject.fields.getMap() to return a map of fields.
C. Use Schema.describeSObjects(new String[]{myObject})[0].fields.getMap() to return a map of fields.
D. Use getGlobalDescribe().get(myObject).getDescribe().fields.getMap() to return a map of field

Correct Answer:BC

Question 30

A developer creates an Apex Trigger with the following code block:List customers = new List();For (Order c o: trigger.new){Account a = [SELECT Id, Is_Customer c FROM Account WHERE Id = :o.Customer c];a.Is_Customer c = true;customers.add(a);}Database.update(customers, false);The developer tests the code using Apex Data Loader and successfully loads 10 Orders. Then, the developer loads 150 Orders.How many Orders are successfully loaded when the developer attempts to load the 150 Orders?

A. 1
B. 150
C. 100

Correct Answer:A