Q&A2

Question 1

True/False: In Apex all classes are final by default.

Answer 1

True.

Question 2

True/False: Apex classes are public by default.

Answer 2

False.

Default is Private

Question 3

True/False: Apex static variables are.

1. Isolated to the transaction
2. Go out of scope at the end of the transaction.

Answer 3

1. True.

2. True

Question 4

What is the total number of soql queries issued?

1. 50
2. 100
3. 200
4. 300

Answer 4

2. 100

Question 5

True/False: In soql Like ‘Can%’ will select all that start with Can.

Answer 5

True

Question 6

How many records does bulkified triggers operate on per iteration?

1. 50
2. 100
3. 150
4. 200

Answer 6

4. 200

Question 7

True/False: you can use the AddError method to prevent a DML operation in a trigger.

Answer 7

True.

Is useful for validating data in Trigger.nee prior to save.

Question 8

True/False: System.runAs() enables you to write unit tests that change user contexts.

Answer 8

True.

Note changes the default system.context to user.context

Question 9

True/False: soql queries executed against custom settings does not count against your governor limits.

Answer 9

False.

Question 10

A developer wants to create a more powerful sharing rule/assignment rule, which of the following options should he choose?

1. Trigger
2. Custom controller

Answer 10

1. Trigger