CRT-450 Exam Questions & Answers

A developer has to Identify a method in an 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 DML statement to save the changes to the database. Which two techniques should the developer implement as a best practice to esure transaction control and avoid exceeding governor limits? Choose 2 answers

A. Use the Database.Savepoint method to enforce database integrity.

B. Use the System.Limit class to monitor the current CPU governor limit consuption.

C. Use the @ReadOnly annotation to bypass the number of rows returned by a SOQL.

D. Use Partial DML statements to ensure only valid data is committed.

A developer is creating an enhancement to an application that will allow people to be related to their employer.

Which date model should be used to track the data?

A. Create a junction object to relate many people to many employers trough master-detail relationship

B. Create a junction object to relate many people to many employers trough lookup relationship

C. Create a lookup relationship to indicate that a person has an employer

D. Create a master detail relationship to indicate that a person has an employer

Refer to the following code snippet for an environment that has more than 200 Accounts belonging to the Technology' industry:

which three statements are accurate about debug logs? Choose 3 answers

A. Debug log levels are cumulative, where FINE log level includes all events logged at the DEBUG, INFO, WARN, and ERROR levels.

B. The maximum size of a debug log is 5 MB.

C. Only the 20 most recent debug logs for a user are kept.

D. Debug logs can be set for specific users, classes, and triggers.

E. System debug logs are retained for 24 hours.