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Salesforce Certified Platform Developer II - Multiple Choice Sample Questions:

1. Which code snippet processes records in the most memory efficient manner, avoiding governor limits such as "Apex heap size too large"?
A)

B) C)

D)

A) Option C
B) Option A
C) Option D
D) Option B

2. Given the following code:

Assuming there were 10 Contacts and five Accounts created today, what is the expected result?

A) System.QueryException: Too many DML Statement errors on Contact
B) System.LimitException: Too many SOQL Queries on Contact
C) System.QueryException: List has more than one row for Assignment on Account
D) Systemn.LimitException: Too many SOQL Queries on Account

3. There are user complaints about slow render times of a custom data table within a Visualforce page that loads thousands of Account records at once.
What can a developer do to help alleviate such issues?

A) Upload a third-party data table library as a static resource.
B) Use the standard Account List controller and implement pagination.
C) Use the transient keyword in the Apex code when querying the Account records.
D) Use JavaScript remoting to query the accounts.

4. For compliance purposes, a company is required to track long-term product usage in their org. The information that they need to log will be collected from more than one object and, over time, they predict they will have hundreds of millions of records.
What should a developer use to implement this?

A) Field history tracking
B) Big objects
C) Field audit trail
D) Setup audit trail

5. Consider the Apex controller below, that is called from an Aura component.

What is wrong with this code?

A) Line 1: class must be global8. Lines 1 and 6: class and method must be global
B) Line 6: method must be static
C) Line 8: method must first serialize the list to JSON before returning

Solutions: