A developer has to identify a method in en Apex class that performs resource intensive actions in memory by iterating over the result set of a SOQL statement on the account. The method also performs a SOQL statement to save the changes to the database.
Which two techniques should the developer implement as a best practice to ensure transaction control and avoid exceeding governor limits?
Choose 2 answers

• A.Use the @ReadOnly annotation to bypass the number of rows returned by a SOQL.
• B.Use the System.Limit class to monitor the current CPU governor limit consumption.
• C.Use the Database.Savepoint method to enforce database integrity.
• D.Use Partial DHL statements to ensure only valid data is committed.

Comment: *

Name: *

Email: *

Verification: *

When viewing a Quote, the sales representative wants to easily see how many discounted items are included in the Quote Line Items.
What should a developer do to meet this requirement?

• A.Create a formula field on the Quote object that performs a SUM on the Quote Line Item Quantity field, filtered for only discounted Quote Line Items.
• B.Create a Workflow Rule on the Quote Line Item object that updates a field on the parent Quote when the item is discounted.
• C.Create a roll-up summary field on the Quote object that performs a SUM on the quote Line Item Quantity field, filtered for only discounted Quote Line Items.
• D.Create a trigger on the Quote object that queries the Quantity field on discounted Quote Line Items.

Comment: *

Name: *

Email: *

Verification: *

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.

Comment: *

Name: *

Email: *

Verification: *

Which is a valid apex assignment?

• A.Float x = 5.0
• B.Integer = 5,0
• C.Double x = 5
• D.Integer x=5 * 1,0

Comment: *

Name: *

Email: *

Verification: *

A developer has the controller class below.

Which code block will run successfully in an execute anonymous window?

• A.myFooController m = new myFooController();System.assert(m.prop ==0);
• B.myFooController m = new myFooController();System.assert(m.prop ==1);
• C.myFooController m = new myFooController();System.assert(m.prop ==null);
• D.myFooController m = new myFooController();System.assert(m.prop !=null);

Comment: *

Name: *

Email: *

Verification: *