必ず合格できるAdobe AD0-E123試験の正確な52問題と解答あります
最新 [2024年06月20日]2024年最新の実際にある検証済みのAD0-E123問題集
質問 # 15
A developer wants to be able to execute the following query:
SELECT
* FROM [ntbase] AS s
WHERE
s.status ='STARTED'
Which two options are mandatory additions to the Index? (Choose two.)
- A. ntbase index rule
- B. ntbase aggregate
- C. status property with propertylndex = true
- D. status properly with property Index = false
正解：A、C
解説：
When creating a custom query in AEM's JCR (Java Content Repository), the query's performance is highly dependent on the indexing configuration. For the given query that selects all nodes with a 'status' property equal to 'STARTED' from the 'nt:base' node type, the index must be set up correctly:
Option A, "nt:base index rule", is correct. The index rule for 'nt:base' must be added to define which properties of nodes of this type are indexed.
Option D, "status property with propertyIndex = true", is also correct. This index ensures that queries filtering on the 'status' property are executed efficiently. The property index should be set to true, which means that this property is indexed and the query will use this index to filter the results.
Option B is incorrect because setting the property index to false would mean that the property is not indexed, making the query less efficient since the repository would need to scan each node to find matches.
Option C, "nt:base aggregate", is not mandatory. Aggregates are used to include properties of related nodes in the index, but they are not required for a simple property match like the one in the given query.
質問 # 16
While configuring a Content Fragment Component, the author has selected 'Display Mode' as 'Single Text Element'. This enables the selection of one multiline text element and enables paragraph control options.
Which two properties will now determine the resulting action? (Choose two.)
- A. Paragraph Heading
- B. Paragraph Description
- C. Paragraph Range
- D. Paragraph Scope
正解：C、D
解説：
When the 'Display Mode' is set to 'Single Text Element' in the configuration of a Content Fragment Component in AEM, the properties that will determine the resulting action are related to how the text is displayed and managed in terms of paragraphs.
C: Paragraph Range - This property would determine the range of paragraphs to display from the multiline text element.
D: Paragraph Scope - This property would define the scope of the paragraph, such as whether all paragraphs are included or just a specific subset.
Options A (Paragraph Description) and B (Paragraph Heading) are not directly related to the action of displaying a single text element with paragraph control.
質問 # 17
A developer working in an AEM as a Cloud Service environment will be using Golden Master.
What is being used by this developer?
- A. Cloud Manager Git Repository
- B. Content Repositoty
- C. Publish tier
正解：A
解説：
In the context of AEM as a Cloud Service, a "Golden Master" typically refers to the production-ready, main branch within the Cloud Manager Git Repository. This repository is used to manage and deploy code to AEM Cloud Service environments. It is considered the source of truth for the codebase that is used to build, test, and deploy AEM applications in the cloud.
質問 # 18
Review the following HTL code snippet:
<div data-sly-
use.testComponent='${com.adobe.core.models.TestComponent'@
testParam='testValue'}'></div>
Which two approaches correctly read the value of testParam in Sling model? (Choose two.)
- A. @lnject @Sourcef'request-aItribuIes") @Named{"testParam')
- B. @lnject(name = 'testParam')
- C. @RequestAttribute(name = "leslParam")
- D. @lnjecT @Prop("testParam")
正解：B、C
解説：
In Sling Models, annotations are used to map request parameters, attributes, and properties to fields in Java classes. When an HTL script passes parameters to a Sling Model, the Sling Model can use annotations to access these parameters.
Option B uses the@RequestAttributeannotation which allows the Sling Model to retrieve an attribute that has been set on the Sling HTTP request object. This is a valid approach to read the 'testParam' if it has been set as a request attribute.
Option C uses the@Injectannotation with thenameattribute specifying the name of the parameter to inject. This is another valid approach to read the 'testParam' from the request.
Option A is incorrect because@Namedis not the correct annotation for retrieving request attributes or parameters.
Option D is incorrect because there is no@Propannotation in Sling Models; it's likely confused with the
@Propertyannotation which is not the correct one for this context either.
質問 # 19
Which two methods are used to update the cache? (Choose two.)
- A. Restart on AEM Author Instance
- B. Content Updates
- C. Auto-invalidation on the Dispatcher
- D. Restart on AEM Publish Instance
正解：B、C
解説：
Updating the cache in AEM is critical to ensure that users receive the most current content without unnecessary delays. Two common methods used to update the cache include:
A: Content Updates - Content updates can trigger an invalidation or flush of the cache. When content is published or updated on the AEM author instance and replicated to the publish instance, the dispatcher cache can be set to automatically invalidate the affected pages. This ensures that the next request to these pages serves the latest content.
D: Auto-invalidation on the Dispatcher - The dispatcher can be configured to automatically invalidate cached content under certain conditions, such as when a TTL (Time To Live) expires or when specific actions occur, such as a page activation ordeactivation. This is often preferred to manual cache clearing as it can be more efficient and targeted to the specific content that has changed.
Options B and C are incorrect because restarting the AEM Author or Publish instances does not directly relate to cache update methods. These actions are more associated with system maintenance or updates and would not be standard practice for updating cached content.
質問 # 20
A developer needs to extend a complete dialog from the core component, except for one tab.
Which property can be used to achieve this goal?
- A. sling;hldeResource
- B. slingorderBefore
- C. jcrhideProperty
正解：A
解説：
In AEM, when you need to extend a dialog from a core component but want to hide or exclude one tab or part of the dialog, you can use thesling:hideResourceproperty. This property allows you to selectively hide resources (like a tab in a dialog) inherited from a super type (the core component) in your overlay or custom component.
質問 # 21
A developer has created a custom workflow model which includes a JAVA-based custom process step. During the creation of this custom process step, some data has been saved in metadata programmatically for subsequent workflow steps.
Which code snippet can be used to save this metadata in JAVA code7
- A. MelaDataMap wfd = Workltem.getWorkflow().getMetaDataMap(); wfd.put('mykey", "My Step Value*);
- B. MetaDataMap wfd : Workltem.getMetaDataMap(); 1 wfd.putCmykey", 'My Step Value*);
- C. MelaDataMap wfd = Workltem.getWorkflow().getWorkflowData().getMetaDataMapO; wfd.putf'mykey". 'My Step Value*);
正解：C
解説：
When working with custom workflow steps in AEM, metadata associated with the workflow session can be programmatically accessed and manipulated. TheMetaDataMapobject serves as a container for this data. The correct way to access and modify this metadata in Java would be:
Option C,MetaDataMap wfd = WorkItem.getWorkflow().getWorkflowData().getMetaDataMap(); wfd.put("mykey", "My Step Value");This snippet correctly retrieves theMetaDataMapfrom the WorkflowDataof the currentWorkflowsession. It then uses theputmethod to store a new key-value pair, where "mykey" is the key and "My Step Value" is the value to be saved.
Options A and B do not properly chain the method calls to access theMetaDataMapassociated with the current workflow session and are therefore incorrect.
質問 # 22
A developer is using a Sling Model to apply some business logic to the values stored in the JCR before outputting them to the page, and all injected fields are optional for this model.
What is the proper way to apply this behavior on the class level?
- A. 'default InjectionStrategy = Default Inject ionStrategy.OPTIONAL'
- B. 'injectionStrategy = InjectionStrategy.OPTIONAL
- C. 'requiredinjectionStrategy = FALSE'
正解：A
解説：
In Sling Models, the@DefaultInjectionStrategyannotation is used to specify the strategy for injecting fields into the model. When setting it toDefaultInjectionStrategy.OPTIONAL, it indicates that all injected fields in the Sling Model are optional and the model will not fail to instantiate if a field cannot be injected. This is a class-level annotation that affects the default injection behavior of all fields within the Sling Model.
Option B is incorrect becauserequiredInjectionStrategyis not a valid annotation property in Sling Models.
Option C is incorrect becauseinjectionStrategyis not specified at the class level; it is used on the field level with the@Injectannotation.
質問 # 23
A developer wants to write a Java service that will serve some data to the custom component.
Which one of the Maven modules is the place to create this service?
- A. ui.apps
- B. core
- C. uicontent
正解：B
解説：
A Java service, which is a backend Java class that encapsulates some business logic or functionality, should be placed in thecoreMaven module of an AEM project. This module is intended for the Java code that contains OSGi services, servlets, and other Java backend code. By creating the service in thecoremodule, it can be properly compiled, packaged, and deployed as an OSGi bundle within AEM.
質問 # 24
A developer is checking an AEM start script on the server and notices the CQ_JVM_OPTS parameter is set to the following:
'-agentlib:jdwp=transport=dt_socketladdress=8000,server=y,suspend=n" How will this value affect the start of the AEM instance?
- A. AEM instance will start in the publish mode
- B. AEM instance will temporarily be suspended, and it will not be able to start
- C. AEM instance will run in the debug mode
正解：C
解説：
TheCQ_JVM_OPTSparameter in an AEM start script is used to set options for the Java Virtual Machine (JVM). The setting'-agentlib:jdwp=transport=dt_socket,address=8000,server=y,suspend=n'enables the Java Debug Wire Protocol (JDWP) agent for the JVM, allowing a debugger to attach to it. Thesuspend=nflag means the JVM will not suspend at the start but will wait for a debugger to connect on port8000. This effectively runs the AEM instance in debug mode, which is useful for development and troubleshooting.
Option B is incorrect because thesuspend=nsetting means the JVM does not suspend on start-up.
Option C is incorrect because this parameter is for debug mode, not for specifying the run mode of the AEM instance.
質問 # 25
Which service is used in AEM to control how AEM instances interact with a topology, while running on instances?
- A. Web Console Service
- B. Offloading Service
- C. Apache Sling Resource-Based Service
正解：C
解説：
The service used in AEM to control how AEM instances interact with a topology while running on instances is the Apache Sling Resource-Based service. This service helps in managing the resources and how they're resolved and accessed within the AEM topology. It's part of the Apache Sling framework, which is an integral part of AEM's architecture.
Option A, "Web Console Service," is more for administration and management of OSGi components, not specifically for topology interaction.
Option C, "Offloading Service," is generally related to processing tasks outside of the AEM instances and does not directly control instance interactions within a topology.
質問 # 26
A developer has created a transient workflow, but a specific step defeats the purpose of making the workflow transient. The step creates a sling job to proceed further and generates error messages in log files.
Which step must be avoided to eliminate this problem?
- A. Goto Step
- B. Process Step
- C. Container Step
正解：B
解説：
In Adobe Experience Manager (AEM), a transient workflow is designed for short-lived workflows that do not persist their state information in the repository, which means they are faster and do not leave a footprint in the repository. However, if a Process Step in a transient workflow creates a sling job, it defeats the purpose of the transient workflow because sling jobs are persisted in the repository and could generate error messages in the log files if they are not executed immediately or if there are issues with the job queue. Therefore, to maintain the transient nature of the workflow, Process Steps that create sling jobs should be avoided.
The Container Step (Option A) is used to group other workflow steps and does not inherently create sling jobs.
The Goto Step (Option B) is used for branching logic and also does not create sling jobs.
質問 # 27
A front-end developer working on an AEM SPA project cannot see the property that should be exposed in the JSON of the new component added to the homepage.
Which option would give information if the required property is exposed by the Sling Model?
- A. [homepage-path]/model.json
- B. [homepage-path]/sling-model.).json
- C. [homepage-palh]/s ling j son
正解：A
解説：
In an AEM Single Page Application (SPA) project, the.model.jsonendpoint is used to expose the properties of a Sling Model as JSON. This is useful for SPAs that need to access component properties dynamically. The front-end developer should check the URL[homepage-path]/model.jsonto see the JSON output of the Sling Model for the new component. This endpoint provides a tree of the page content as JSON, which includes the Sling Model's exported properties for components included on the page.
質問 # 28
A developer wants to send a SAML Authentication Request to a specific URL of a system entity that creates, maintains, and manages identity information.
Which property of SAML Authentication Handler configuration must be configured with this URL?
- A. Path
- B. Identity Provider URL
- C. Default Redirect
正解：B
解説：
Within the SAML (Security Assertion Markup Language) Authentication Handler configuration in AEM, the property that must be configured with the URL of a system entity that manages identity information is the Identity Provider URL. The Identity Provider (IdP) is a core component of the SAML specification that is responsible for issuing authentication assertions and managing user identity information. Configuring the Identity Provider URL in the SAML Authentication Handler ensures that the authentication requests are directed correctly to the IdP.
質問 # 29
Given this configuration property:
Which page will be cached on the dispatcher?
- A. /myproduct/myrecipe. htmI'search=searchparam
- B. /myproduct/myrecipe. html?search- s&ordet=asc&brand=ad
- C. /myproduct/myrecipe. html?brand=mybrand
正解：C
解説：
Given the dispatcher configuration snippet provided in the image, we can understand the URL patterns that will be ignored (not cached) by the dispatcher. The configuration under/ignoreUrlParamsshows patterns to match query parameters in the URLs:
/0001 { /glob "*" /type "deny" } means that by default, all query parameters are ignored (not cached).
/0002 { /glob "search" /type "allow" } specifically allows caching for URLs with the 'search' parameter.
/0003 { /glob "order" /type "allow" } specifically allows caching for URLs with the 'order' parameter.
Based on this, let's evaluate the options:
A: /myproduct/myrecipe.html?search=searchparam - This URL will not be cached because the 'search' parameter is allowed, but the actual value 'searchparam' does not match any allow pattern. B.
/myproduct/myrecipe.html?search=s&order=asc&brand=ad - This URL will not be cached because although
'search' and 'order' parameters are allowed, the 'brand' parameter is not allowed according to the configuration.
C:/myproduct/myrecipe.html?brand=mybrand - This URL will be cached because there are no allowed parameters, so the default deny does not apply, and the page can be cached without considering the 'brand' parameter.
Therefore, the page that will be cached on the dispatcher is the one in option C, as it does not contain any of the explicitly allowed query parameters ('search' or 'order'), and all other parameters are ignored by default.
質問 # 30
A content author will be using live copies on AEM.
Which two factors must the content author now consider? (Choose two.)
- A. When (everting a canceled inheritance on a paragraph system, the order of components will be automatically restored from the blueprint.
- B. Changes made locally to a component marked as a container will not be overwritten by the content of the blueprint on a rollout.
- C. If the component is marked as a container, the cancellation and suspend actions do not apply to Its child components.
- D. When the inheritance Is re-enabled, the page is automatically synchronized with the source.
正解：B、D
解説：
In Adobe Experience Manager (AEM), when dealing with live copies, a content author must be aware of various factors related to the synchronization of content between the source (blueprint) and the live copies.
Option A is correct because when inheritance is re-enabled on a live copy page, synchronization with the blueprint page occurs, which may include automatic updates to the live copy page's content. Option D is also correct because local changes made to a component marked as a container are protected during rollouts, meaning that these local changes will not be overwritten by content from the blueprint. The container concept in AEM allows for more granular control over which parts of the page are updated during synchronization.
For Option B, the term 'paragraph system' seems incorrect. It should likely refer to 'paragraph systems' as in the ParSys (Paragraph System), a component that allows authors to add components to a page. There is no automatic restoration of the order of components from the blueprint upon re-enabling canceled inheritance; instead, components are managed according to the rules set in the rollout configurations.
Option C is incorrect because the cancel and suspend actions can be applied to individual child components within a container. When inheritance is canceled for acontainer, the inheritance status of child components within that container can be controlled individually.
質問 # 31
A content author has this OSGI component:
How can the content author use the Apache Felix Web OSGi console to disable the servlet?
- A. Select the Services tab > Check that the OSGi component is listed > Click disable Action button
- B. Select the Bundle Resource Provider tab > Check that the OSGi component is listed > Click disable Action button
- C. Select the Components tab > Check that the OSGi component is listed > Click disable Action button
正解：C
解説：
In the Apache Felix Web Console, which is the OSGi management console of AEM, components are managed under the "Components" tab. The provided OSGi component, a servlet in this case, can be disabled by navigating to the "Components" tab, where all the active components are listed. Once the specific servlet is located, it can be disabled by clicking on the "Disable" action button associated with that component. This does not remove the servlet from the system; it simply stops it from being active.
Option A is incorrect because the "Bundle Resource Provider" tab does not deal with enabling or disabling of components.
Option B is also incorrect because the "Services" tab provides information about services but does not provide a direct way to disable them.
質問 # 32
A developer needs to use the AEM Core Components. What is the recommended way to complete this task?
- A. By changing their component group to use them directly in editor
- B. By referencing them directly from the content
- C. By using proxy components
正解：C
解説：
The recommended approach to use AEM Core Components is by creating proxy components. Proxy components are essentially wrapper components within your own project that reference the core components.
This practice allows developers to inherit functionality from the core components while being able to override and extend it as necessary. By using proxy components, developers can ensure that any custom styles and configurations are preserved even when the core components are updated in the future.
質問 # 33
Which plugin cleans the container project's target folder before Maven build?
- A. maven-scr-plugin
- B. maven-c lean-plugIn
- C. mvn-clean-plugin
正解：B
解説：
In Maven, themaven-clean-pluginis used to clean the project by removing files generated at build-time in the targetdirectory. Before a new build, cleaning the project is a common practice to ensure that no stale artifacts affect the new build. The plugin's goalcleanis bound to the clean phase of the build lifecycle and can be executed with the commandmvn clean.
Option A,mvn-clean-plugin, is incorrectly named; the correct name ismaven-clean-plugin.
Option B,maven-scr-plugin, is related to Service Component Runtime and not to cleaning build artifacts.
質問 # 34
A developer has modified an existing workflow model in AEM, which defines series of steps to be executed.
When a user starts this workflow, recent changes/workflow steps are not available in the workflow instance.
What could be the reason for this behavior of the Workflow Model?
- A. The user doesn't have the respective permissions.
- B. Subsequent steps, which have to be executed after the recent step, produce an error.
- C. The workflow model has not been synced in runtime.
正解：C
解説：
When modifications are made to a workflow model in AEM, they must be saved and synchronized with the running instance of AEM. If a user starts a workflow and does not see the recent changes or workflow steps, it could be because the workflow model was not synced in runtime. This means the running instance of AEM is not yet aware of the changes, and as a result, the workflow instance uses the old version of the workflow model.
Option B is incorrect because permissions would not cause the recent changes to be unavailable; they would more likely prevent the user from starting the workflow at all.
Option C is also incorrect because while errors in subsequent steps could potentially stop the workflow from proceeding, they would not prevent new steps from appearing in the workflow instance if they were properly saved and synced.
質問 # 35
A developer would like to view page transaction response times. Which log file would they use?
- A. request log
- B. audit.log
- C. stdout.log
正解：A
解説：
The request log in AEM records details about requests processed by the AEM instance, including transaction response times. This log is useful for developers when they need to analyze the performance of page requests, including how long each page takes to load. The request log can typically be found in thelogsdirectory of the AEM installation and may be namedrequest.log.
stdout.logtypically contains the standard output of the AEM process and is not specific to request transactions.
audit.logis used to log user actions for auditing purposes and does not include transaction response times.
質問 # 36
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