12 September, 2020

What Breathing AD0-E103 Prep Is

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Total 50 questions Full Exam Access

Question 1

A developer creates two custom classes. ClassA has the following code: package com.aem.abc;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory; public class ClassA {
private static final Logger logger = LoggerFactory.getLogger(this.getClass()); public void classAMethod() {
logger.debug("Message from Class A method");
}
}
The developer creates a custom log custom.log with debug level in OSGi sling log support for the Java package com.aem.abc. The developer adds another class ClassB with the following code:
package com.aem.xyz; import org.slf4j.Logger;
import org.slf4j.LoggerFactory; public class ClassB {
private static final Logger logger = LoggerFactory.getLogger(this.getClass()); public void classBMethod() {
logger.debug("Message from Class B method");
}
}
Which action must the developer take to see the log messages in the same file from both classes?

Configure custom.log in OSGi web console -> Sling -> Log Support and replace com.aem.xyz with com.aem.abc

Configure custom.log in OSGi web console -> Sling -> Log Support and replace com.aem.abc with com.aem.xyz

Create separate a log file in the OSGi web console -> Sling -> Log Support for logger com.aem.xyz

Configure custom.log in OSGi web console -> Sling -> Log Support and replace com.aem.abc with com.aem

Question 2

A developer creates a template-type for building editable templates.
The resulting editable templates and pages must always contain a specific layout container that can NOT be deleted by the author.
How should the developer meet this requirement?

Add the layout container component to the structure section of the template-type

Add the layout container component by including it on the actual page component

Add a content policy to the template-type to disable the removal of the layout container

Add the layout container component to the initial section of the template-type

Question 3

There is a config file package.myClass.config.factory-myApp.xml – what is true? (Choose two)

The word "config" is a sign of factory

The word "factory" is a sign of factory

Should be set package.myClass.config.factory-<identifer>

Must be set package.myClass.config.factory-<identifer>

Question 4

Refer to the following Client Library node structure.
+clientlibs
- jcr:primaryType="cq:ClientLibraryFolder"
- categories="[clientlibs.example]"
+ js.txt
- jcr:primaryType="nt:file"
+ css.txt
- jcr:primaryType="nt:file"
+ js
- jcr:primaryType="nt:folder"
- javascript1.js
- javascript2.js
The js.txt looks like javascript1.js javascript2.js
The JavaScript is NOT present in the Client Library when it is loaded. What should a developer do to resolve this issue?

Change the js folder to a Client Library node and add the property categories = "[clientlibs.example]"

Change the js folder to a Client Library node and embed it on the clientlibs node

Add #base=js as the first line in the js.txt file

Split the js and css into 2 Client Libraries since they can\'t be in the same Client Library

Question 5

A developer is working with the following HTL expression in a component rendering script:
${'path/page.infinity.json' @extension = 'html', removeSelectors = ['foo'],
selectors = ['foo', 'bar'], prependSuffix = 'hello', suffix = 'world' }
What is the expected output of this expression?

path/page.foo.bar.html/hello/world

path/page.infinity.json.bar.html/world

path/page.bar.html/hello/world

path/page.bar.html/world

Question 6

The developer is presented with a component "Component A" which inherits from a component "Component B".
The dialog of Component A on path ../cq:dialog/../../items looks like:
+ align
- jcr:primaryType="nt:unstructured"
- sling:resourceType="granite/ui/components/coral/foundation/form/select"
- fieldLabel="Align Text"
- name="./align"
The dialog of Component B on path ../cq:dialog/../../items looks like:
+ title
- jcr:primaryType="nt:unstructured"
- sling:resourceType="granite/ui/components/coral/foundation/form/textarea"
- fieldLabel="Title"
- name="./title"
+ description
- jcr:primaryType="nt:unstructured"
- sling:resourceType="granite/ui/components/coral/foundation/form/textarea"
- fieldLabel="Description"
- name="./description"
The requirement for the dialog is that the *Align Text* field is shown after the *Title* field. What should the developer do without changing Component B?

Move the align node from Component A to Component B and order them according the requirements.

Move all the nodes under the item node from Component B to Component A and order them according the requirements.

Extend Component B with the functionality of Component A

Add the property sling:orderBefore="description" to the align node.

Question 7

A developer wants to create a Client Library that will only be included on touch enabled devices. What action should the developer take to achieve this?

Add the line "#base=touch" to the js.txt and css.txt files in the Client Library Folder

Pass the parameter user-agent=\'touch\' when referencing the Client Library

Set the channels property on the Client Library Folder to "touch"

Create a resource folder called "touch" under the Client Library Folder

Question 8

A developer wants to consume AEM Page Data in Single Page Application. The Single Page Application is coded to understand JSON format. Only page content should be exposed through JSON. All the existing components are based on foundation components.
Which change should the developer make in the existing components to support this requirement?

Add JSON as the default extension in Apache Sling Servlet?Script Resolver and Error handler Configuration

Implement a Sling Model Exporter for the components

Create a custom sling event handler to handle JSON requests

Invoke the page URL with the extension .json to get the values to construct the required output

Question 9

Which log file should a developer use to search for exception stacktraces?

<aem-install>/crx-quickstart/logs/error.log

<aem-install>/crx-quickstart/logs/request.log

<aem-install>/crx-quickstart/logs/access.log

<aem-install>/crx-quickstart/logs/info.log

Question 10

Which xml tag is used within the vault package definition to add a new path to a content package?

<path>

<rule>

Question 11

AEM is installed in $AEM_HOME.
In which subfolder are the command line startup and shutdown scripts located?

$AEM_HOME/

$AEM_HOME/crx-quickstart/scripts

$AEM_HOME/crx-quickstart/opt/

$AEM_HOME/crx-quickstart/bin/

Question 12

A developer determines that the dispatcher is NOT refreshing the cached page
/content/sampleproject/sample.html after it is updated.
The dispatcher.any contains the following entries:
/cache
{
/docroot "/opt/dispatcher/cache"
/statfile "/tmp/dispatcher-website.stat"
/statfileslevel "2"
/rules
{
/0000 { /glob "*" /type "allow" }
}
/invalidate
{
/0000 { /glob "*" /type "deny" }
}
}
Refer to the $DOCROOT directory below: [user@group /opt/dispatcher/cache]$ ls -la total 2
drwxr-xr-x. 5 apache apache 4096 Feb 11 11:41 .
drwxr-xr-x. 3 apache apache 4096 Nov 29 16:07 ..
drw-r--r--. 4 root root 4096 Feb 7 03:21 content
-rw-r--r--. 1 apache apache 0 Feb 7 03:19 .stat
The dispatcher needs to cache the page and refresh it after it gets updated. What action should the developer take to meet these requirements?

Add the entry /0001 { /glob "*.html" /type "allow" } in the /invalidate section

Change the value of the entry /statfileslevel to "3"

Delete the contents of the DOCROOT directory

Remove /statfile or /statfileslevel

Question 13

A banking AEM application contains functionality to calculate a mortgage rate based on user input. A servlet in place calculates the result in the backend. A call to an internal third-party REST service is required to retrieve the average object value based on a given zip code.
The following three service interfaces are used:
MortgageCalculationServlet, MortgageCalculationService and ObjectValueLookupRestService where MortgageCalculationServlet has a dependency to MortgageCalculationService and MortgageCalculationService has a dependency to ObjectValueLookupRestService.
The calculation has many combinations of input parameters and edge cases, so the JUnit coverage must be as high as possible.
Which two strategies should the developer use to ensure testability of the application code? (Choose two)

Use the standard OSGi @Reference annotation to wire the dependencies in application code

Use BundleContext.getServiceReference(...) and BundleContext.getService(...) in application code to look up for the required services just before usage

Deploy a third party dependency injection container to wire dependencies more efficiently in application code

Use a mock framework to be able to create and inject mocks in the test code

Use static methods to avoid boilerplate in application code

Question 14

A developer needs to configure sets of values according to the following parameters:
- Varies for different staging environments
- Varies for different content paths
- Diffets between author and publish
Which implementation strategy should the developer use to meet these requirements?

A context aware configuration with buckets using an OSGi configuration

One OSGi configuration for the set of values with runmodes

A custom cloud condifuration

A JCR property at the content root node of the site with inheritedPageProperties

Question 15

A custom bundle of an application is in state "Installed" after deploying it with Maven. What should a developer do to change it to state "Active"?

Use the "Start" action for the bundle in the Apache Felix Web Console

Ensure all OSGi requirements are met and re-deploy using Maven

Use the "Update" action for the bundle in the Apache Felix Web Console

Reinstall the content package using the package manager

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Total 50 questions Full Exam Access