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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Data Modeling and Management | 12% | - Schema Builder - Custom objects and fields - Data import and export - Relationship types |
| Topic 2: Testing | 12% | - Test coverage requirements - Execute anonymous vs. unit tests - Apex test classes - Test data creation |
| Topic 3: User Interface | 10% | - Visualforce controllers - Visualforce pages - Lightning components |
| Topic 4: Salesforce Fundamentals | 10% | - Multi-tenant environment considerations - Core CRM objects capabilities - AppExchange application extension - Declarative customization use cases - MVC pattern mapping |
| Topic 5: Debug and Deployment Tools | 10% | - Developer Console, Workbench, and Force.com IDE - Debug logs monitoring - Development and deployment environments - Metadata and business data deployment |
| Topic 6: Logic and Process Automation | 46% | - Apex classes and interfaces - SOQL, SOSL, and DML - Apex primitive and complex data types - Exception handling - Declarative process automation features - Formula fields capabilities and use cases - Roll-up summary fields capabilities and use cases - Apex variables, constants, and expressions - Governor limits - Apex control flow statements - Apex triggers |
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47. Frage
A developer wants to improve runtime performance of Apex calls by caching result on the client.
What is the most efficient way to implement this and follow best practices?
Antwort: A
Begründung:
To improve runtime performance of Apex calls by caching result on the client, the most efficient way to implement this and follow best practices is to decorate the server-side method with @AuraEnabled (cacheable=true). This annotation enables the method to be called from a Lightning web component and also caches the method results on the client. This reduces the number of server requests and improves the responsiveness of the component. The cacheable attribute can only be set to true for methods that are read-only and don't change any data. The other options are not correct because:
* Decorating the server-side method with @AuraEnabled (total=true) does not cache the result on the client, but rather indicates that the method returns the total number of records that match a query.
* Calling the setStorable() method on the action in the JavaScript client-side code is a deprecated way of caching the result on the client for Aura components, not Lightning web components. It also requires more code than using the cacheable attribute.
* Setting a cookie in the browser for use upon return to the page is not a reliable way of caching the result on the client, as cookies can be deleted, expired, or blocked by the browser. It also does not leverage the built-in caching mechanism of the Lightning platform. References:
* Client-Side Caching
* Call Apex Methods from Lightning Web Components
* Free Salesforce Platform Developer 1 Practice Exam (With Answers)
48. Frage
A developer is asked to set a picklist field to 'Monitor' on any new Leads owned by a subnet of Users.
How should the developer implement this request?
Antwort: A
49. Frage
What are three ways for 2 developer to execute tests in an org? Choose 3 answers
Antwort: B,C,D
50. Frage
Which two settings must be defined In order to update a record of a junction object?
Choose 2 answers
Antwort: A,C
Begründung:
Option B: To update a junction object, the user needsRead/Writeaccess to the primary relationship object.
Option C: The user must also haveRead/Writeaccess on the junction object itself.
Junction Objects Documentation
51. Frage
Which three Salesforce resources can be accessed from a Lightning web component?
Choose 3 answers
Antwort: C,D,E
Begründung:
Lightning Web Components (LWCs) have access to a variety of resources in Salesforce. Below are the supported resources:
Static Resources (A):You can use static resources to reference JavaScript libraries, images, and other files needed in an LWC.
Reference:Static Resources in LWC
SVG Resources (C):LWCs can use custom SVG files for icons or other visual elements.
Reference:SVG Resources in LWC
Content Asset Files (E):Content asset files, like images or videos, stored in Salesforce can be accessed and used in LWC.
Reference:Using Content Assets in LWC
Incorrect Options:
B: All external libraries:Only libraries uploaded as static resources are supported, not directly external libraries.
D: Third-party web components:While supported, additional configuration is needed to use them effectively.
52. Frage
......
Wir sollen die Schwierigkeiten ganz gelassen behandeln. Obwohl die Salesforce CRT-450 Zertifizierungsprüfung ganz schwierig ist, sollen die Kandidaten alle Schwierigkeiten ganz gelassen behandeln. Denn It-Pruefung wird Ihnen helfen, die Salesforce CRT-450 Zertifizierungsprüfung zu bestehen. Mit ihm brauchen wir uns nicht zu fürchten und nicht verwirrt zu sein. Die Schulungsunterlagen zur Salesforce CRT-450 Zertifizierungsprüfung von It-Pruefung sind den Kandidaten die beste Methode.
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