PDI無料問題集「Salesforce Platform Developer I (PDI)」

質問 1

Assuming that name is a String obtained by a Visualforce page, which two SOQL queries performed are safe from SOQL injection? (Choose two.)

（A）apex
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String query = 'SELECT Id FROM Account WHERE Name LIKE \'%' + name + '%\''; List<Account> results = Database.query(query);

（B）apex
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String query = 'SELECT Id FROM Account WHERE Name LIKE \'%' + String.escapeSingleQuotes (name) + '%\''; List<Account> results = Database.query(query);

（C）apex
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String query = 'SELECT Id FROM Account WHERE Name LIKE \'%' + name.noQuotes() + '%\''; List<Account> results = Database.query(query);

（D）apex
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String query = '%' + name + '%';
List<Account> results = [SELECT Id FROM Account WHERE Name LIKE :query];

正解：B、D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 2

A developer needs to allow users to complete a form on an Account record that will create a record for a custom object.
The form needs to display different fields depending on the user's job role, The functionality should only be available to a small group of users.
Which three things should the developer do to satisfy these requirements?
Choose 3 answers

（A）Create a Dynamic Form.

（B）Add a Dynamic Action to the Users' assigned Page Layouts.

（C）Create a Lightning wed component.

（D）Add a Dynamic Action to the Account Record Page.

（E）Create a Custom Permission for the users.

正解：B、C、E 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 3

In terms of the MVC paradigm, what are two advantages of implementing the view layer of a Salesforce application using Lightning Web Component-based development over Visualforce?
Choose 2 answers

（A）Leg capturing via the Debug Logs Setup page

（B）Built-in standard and custom set controllers

（C）Self-contained and reusable units of an application

（D）Rich component ecosystem

正解：C、D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 4

(Full question statement)
A developer must create a CreditCardPayment class that provides an implementation of an existing Payment class.
public virtual class Payment {
public virtual void makePayment(Decimal amount) {
// implementation
}
}
Which is the correct implementation?

（A）public class CreditCardPayment implements Payment { public virtual void makePayment(Decimal amount) { /* implementation */ } }

（B）public class CreditCardPayment extends Payment { public virtual void makePayment(Decimal amount)
{ /* implementation */ } }

（C）public class CreditCardPayment extends Payment { public override void makePayment(Decimal amount) { /* implementation */ } }

（D）public class CreditCardPayment implements Payment { public override void makePayment(Decimal amount) { /* implementation */ } }

正解：C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 5

A developer creates a batch Apex job to update a large number of records, and receives reports of the job timing out and not completing.
What is the first step towards troubleshooting the issue?

（A）Check the debug logs for the batch job.

（B）Disable the batch job and recreate it with a smaller number of records.

（C）Decrease the batch size to reduce the load on the system.

（D）Check the asynchronous job monitoring page to view the job status and logs.

正解：D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 6

The following Apex method is part of the ContactService class that is called from a trigger:

How should the developer modify the code to ensure best practices are met?
A)

B)

C)

D)

（A）Option D

（B）Option B

（C）Option C

（D）Option A

正解：D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 7

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

（A）Debug logs can be set for specific users, classes, and triggers.

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

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

（D）System debug logs are retained for 24 hours.

（E）Only the 20 most recent debug logs for a user are kept.

正解：A、B、E 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 8

Refer to the following Apex code:
apex
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Integer x = 0;
do {
x++;
} while (x < 1);
System.debug(x);
What is the value of x when it is written to the debug log?

（A）3

（B）1

（C）2

（D）0

正解：B 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 9

A developer identifies the following triggers on the Expense _c object:

The triggers process before delete, before insert, and before update events respectively.
Which two techniques should the developer implement to ensure trigger best practices are followed?
Choose 2 answers

（A）Maintain all three triggers on the Expense __c object, but move the Apex logic out of the trigger definition.

（B）Create helper classes to execute the appropriate logic when a record is saved.

（C）Unify the before insert and before update triggers and use Flow for the delete action.

（D）Unity all three triggers In a single trigger on the Expense__c object that Includes all events.

正解：B、D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 10

Management asked for opportunities to be automatically created for accounts with annual revenue greater than $1, 000,000. A developer created the following trigger on the Account object to satisfy this requirement.
for (Account a : Trigger.new) {
if (a.AnnualRevenue > 1000000) {
List<Opportunity> oppList = [SELECT Id FROM Opportunity WHERE AccountId = :a.Id]; if (oppList.size() == 0) { Opportunity oppty = new Opportunity(Name = a.Name, StageName = 'Prospecting', CloseDate = System.
today().addDays(30));
insert oppty;
}
}
}
Users are able to update the account records via the UI and can see an opportunity created for high annual revenue accounts. However, when the administrator tries to upload a list of 179 accounts using Data Loader, it fails with system, Exception errors.
Which two actions should the developer take to fix the code segment shown above?
Choose 2. answers

（A）Check if all the required fields for Opportunity are being added on creation.

（B）Move the DML that saves opportunities outside the for loop.

（C）Use Database query to query the opportunities.

（D）Query for existing opportunities outside the for loop.

正解：B、D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

PDI 無料問題集「Salesforce Platform Developer I (PDI)」

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