Salesforce CRT-450 問題集

質問 1：
A developer must provide custom user interfaces when users edit a Contact in either Salesforce Classic or Lightning Experience.
What should the developer use to override the Contact's Edit button and provide this functionality?
A. A Lightning page in Salesforce Classic and a Visualforce page in Lightning Experience
B. A Lightning component in Salesforce Classic and a Lightning component in Lightning Experience
C. A Visualforce page in Salesforce Classic and a Lightning component in Lightning Experience
D. A Visualforce page in Salesforce Classic and a Lightning page in Lightning Experience
正解：C

質問 2：
Flow Builder uses an Apex action to provide additional information about multiple Contacts, stored in a custom class, ContactInfo. Which is the correct definition of the Apex method that gets the additional information?
A)

B)

C)

D)
A. Option A
B. Option C
C. Option D
D. Option B
正解：B

質問 3：
Cloud Kicks has a multi-screen flow that its call center agents use when handling inbound service desk calls.
At one of the steps in the flow, the agents should be presented with a list of order numbers and dates that are retrieved from an external order management system in real time and displayed on the screen.
What should a developer use to satisfy this requirement?
A. An Apex controller
B. An outbound message
C. An Apex REST class
D. An invocable method
正解：A

質問 4：
Provide question feedback here (optional):

Based on this code, what is the value of x?
A. 2
B. 3
C. 4
D. 1
正解：C

質問 5：
A company has a custom object, order __c, that has a required, unique external ID field called order Number__c.
Which statement should be used to perform the DML necessary to insert new records and update existing records in a list of Order __c records using the external ID field?
A. upsert orders Order Number c;
B. merge orders;
C. merge orders Order Number_c;
D. upsert orders;
正解：A

質問 6：
A developer wants to mark each Account in a List<Account> as either Active or Inactive, based on the value in the LastModified each Account being greater than 90 days in the past.
Which Apex technique should the developer use?
A. An if-else statement, with a for loop inside
B. A for loop, with an if or if/else statement inside
C. A for loop, with a switch statement inside
D. A witch statement, with a for loop inside
正解：B

質問 7：
A Developer Edition org has five existing accounts. A developer wants to add 10 more accounts for testing purposes.
The following code is executed in the Developer Console using the Execute Anonymous window:

How many total accounts will be in the org after this code is executed?
A. 10
B. 15
C. 6
D. 5
正解：A

質問 8：
How can a developer check the test coverage of autolaunched Flows before deploying them in a change set?
A. Use SOQL and the Tooling API.
B. Use the ApextestResult class.
C. Use the Code Coverage Setup page,
D. Use the Flow Properties page.
正解：A

質問 9：
A developer deployed a trigger to update the status__c of Assets related to an Account when the Account's status changes and a nightly integration that updates Accounts in bulk has started to fail with limit failures.

What should the developer change about the code to address the failure while still having the code update all of the Assets correctly?
A. Change the getAssetsToUpdate method to process all Accounts in one call and call it outside of the for loop that starts on line 03.
B. Add List<asset> assets = [SELECT id, Status_ FROM WHERE AccountId = : acctId] to line 14 and iterate over the assets list in the for loop on line 15.;
C. Add a LIMIT clause to the SOQL query on line 16 to limit the number of Assets queried for an Account.
D. Move all of the logic to a Queveable class that queries for and updates the Assets and call it from the trigger.
正解：A