8406693
Description
Quiz by AEM community, updated more than 1 year ago
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Created by AEM community
about 7 years ago
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Question 1
Question
What is the purpose of @configurationFactory?
Answer
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To specify which factory this component will be added to
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To manage and maintain many OSGi service instances .
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To configure OSGi services
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To create new service factories
Question 2
Question
Which attribute of @Component makes the service configurable ?
Answer
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metatype = True
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metatype = False
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metadata = True
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metadata = False
Question 3
Question
[1.2,2) – whats the bundle version here ?
Answer
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1.2 to 2, 1.2 included and 1.2 excluded
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1.2 to 2, 1.2 included and 2 excluded
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below 1.2 and above 2
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below 2 and above 1.2
Question 4
Question
Your system keeps crashing and is very slow. You see the below line in error logs.
cacheManager: ResizeAll
What are the probable reasons for this crash ?
Answer
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The instance is replicating to itself
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Instance reverse replication is mapped to itself
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Instances of unclosed JcrSessions
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Some known issue with replication is causing infinite replications
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Server cache not set properly
Question 5
Question
Which log can be used to timings of the requests to an instance
Answer
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request log
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server log
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Error log
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stdout log
Question 6
Question
How to start AEM instance in debug mode with a specific port.
Answer
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java –Xdebug socket=”specific port no.” –jar aem-author-4502.jar
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java socket=”specific port no.” –jar aem-author-4502.jar
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java –Xdebug socket=”specific port no.” –jar aem-publish-4502.jar
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java –Xdebug socket=”Apache port num.” –jar aem-author-4502.jar
Question 7
Question
What run mode will be set for PROD environment ?
Answer
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Nosamplecontent
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Author
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Publish
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Samplecontent
Question 8
Question
Behavior of @SlingServlet
Answer
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Path always takes precedence even if other options like resourceType and selector are present
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When both path and the resource type properties are absent , the servlet is ignored .
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Checks the selectors and prefix
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Checks hyperlinks
Question 9
Question
When you are overlaying OOB image component , at a location
/apps/myApp/components, what should you ensure
Answer
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Overlay JSP
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Overlay Dialogs
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Different icons
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Different styles
Question 10
Question
There is an external dependency that you have included in your pom.xml file. But
when you install the bundle in felix console, bundle is not active. To include the classes
from the external dependency, which one of the below will you use ?
Answer
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Private Package - Packages that are not exported or imported are called private packages
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Include-Resource
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Export Package
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Import Package
Question 11
Question
Property and node types used in cq:dialog in Touch UI?
Answer
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nt:unstructured
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cq:widget
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cq:panel
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/title
Question 12
Question
Use of Configuring OSGi services via content nodes?
Answer
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Not secure
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Can be differentiated using runmode.
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Will be of type sling:osgi
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Can be maintained and deployed with code
Question 13
Question
Parent component has 4 tabs. A component overlays it and additionally, a node with
property sling:hideChildren set to 2 tab names. What is the significance of this ?
component dialog - developer overlays OOTB component.
Answer
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Permission and cloudservices as well as their Children are hidden
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Permission and cloudservices are hidden but properties retained
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basic and advanced tab are removed
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Basic and advanced tab remains unchanged
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Permission and cloudservices as well as their properties are hidden
Question 14
Question
How to configure MYSQL data source in aem ?
Answer
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Day commons JDBC connections pool
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Day CQ mail service
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Day commons SQL connections pool
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Day commons MySQL connections pool
Question 15
Question
How to change the CRX token expiration time ?
Answer
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Apache Jackrabbit Oak TokenConfiguration
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Apache Oak Configuration
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Day CQ Token Configuration
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Token Configuration
Question 16
Question
An application uses SAML authentication with AEM and for this purpose the AEM
granite SAML authentication handler has been configured with the saml url. But on sign
in, 403 forbidden. Possible reasons ?
Answer
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Crx authentication handler login url may have to be configured
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Referrer filter may have to be configured
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Saml idp url was wrong
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SP details was wrong
Question 17
Question
A set of pages follow template A. You add a new component in that template and
then refresh those pages again. You don’t see the component there. What is the reason ?
Answer
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Browser cache
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The changes on templates only starts reflecting on new pages using the template.
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Pages have to be recreated
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Component path was wrong
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Jsp might have to be recompiled
Question 18
Question
http://somedomain/abc.html?v=10. To cache this page, what should be done ?
Answer
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Use /ignoreUrlParams
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Use selectors
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Use Prefix
Question 19
Question
General advantage of caching?
Answer
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Faster page load, better performance
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Slow responce
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Attaching resources with URL
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Saving from the threats
Question 20
Question
There are a few pages being CUG in an application. To cache them, what needs to be
done ?
Answer
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Define separate virtual host for CUG pages
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Set /allowAuthorized to 0
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Define /directories under /sessionmanagement
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Have a separate farm for CUG based pages
Question 21
Question
Which one is used to maintain repository content in a tool like Subversion?
Answer
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vlt
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sling
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felix web console
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jcr nodes
Question 22
Question
Annotation used to declare a service factory?
Answer
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@component( configurationFactory = true )
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@component( configurationFactory = False )
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@reference
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@slingproperties
Question 23
Question
Mail service to be configured to send e mails from AEM
Answer
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Day CQ mail service
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mail API
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email token configuration
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Day CQ API service
Question 24
Question
What is the Importance of -<identifier> in com.service.customservice.config-<identifier>
sling:osgiconfig file?
Answer
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It is a mandatory that accepts open free text and uniquely identifies the service.
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service is fully configured
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configuration is ready
Question 25
Question
A user customizes a osgi configuration on crxde, what should he ensure ?
Answer
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com.sample.customService
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Node of type sling:folder on /apps/myapp/config
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com.sample.customService.config
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Node of type sling:folder on /apps/myapp/install
Question 26
Question
Developer used 3 types of runmodes author, foo, bar. How to identify the activities
of the instances that run only on the foo runmode?
Answer
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foo.config
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foo.install
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foo.author.config
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foo.publish.config
Question 27
Question
when CQ is installed. which errors are listed by default.
Answer
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Warn
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info
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debug
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publish
Question 28
Question
If dispatcher is not optimally configured, what causes it may be
Answer
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Extra load on publisher
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Caching issue
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Pages are not cached
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None.
Question 29
Question
which are the all mandatory parameters to debug?
Answer
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server, suspend , address , transport
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server, suspend , address , jar
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server, port , address , transport
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server, suspend , jar, port
Question 30
Question
if we are saving sling folder in nt:unstructured?
what will happened?
Answer
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Both will saved
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exception
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only nt:unstructured will save
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we cannot save nt:unstructured in in Sling folder
Question 31
Question
client library - benefits
Answer
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To import libraries n to modularize js n css files
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using categories
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To add new organization thru text file
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JavaScript Code
Question 32
Question
what is primary type of config which is created by felix console in
apps/*/system/config?
Answer
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nt:unstructered
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sling folder
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nt:file
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mixin node
Question 33
Question
How can we recognize the configuration file in Crx?
Answer
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sling:osgiConfig
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Sling:config
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sling:resourcesupertype
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sling:resourcetype
Question 34
Question
Developer creates a sling:folder and inside it creates node of type sling:OsgiConfig.
What is he trying to achieve?
Answer
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Create configuration
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Creating jar file in crx
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install bundles
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install defaults
Question 35
Question
Which is the correct way to login when there is user mapping n service?
Answer
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Slingrepository.loginService(String subServiceName, String workspace)
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Slingrepository.loginService(String subServiceName)
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Slingrepository.loginService(String workspace)
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Slingrepository.loginsling(String subServiceName, String workspace)
Question 36
Question
There is a logger factory configuration at the path apps/myproj/config.Foo.publish-something
what is the significance of the path
Answer
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config denotes configuration
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component and template data jar
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something denotes configuration instance name - not correct for the PATH
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Foo.publish denotes run mode
Question 37
Question
Cache not working and we are get out of memory error?
what exactly happened here?
Answer
-
replication not set properly
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There are sessions which have not been logged out
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Infinite loop due to replication issue
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replication & reverse at same location
Question 38
Question
Why do we add exclusions in .gitignore file?
Answer
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To exclude ide specific files and
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Generated files not related to code base
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Patterns read from the command line for those commands that support them.
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A gitignore file specifies intentionally untracked files that Git should ignore
Question 39
Question
Syntax for storing parameter in cq:widget?
Answer
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Cq:panel
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nt:unstructured
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./title
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panel
Question 40
Question
How to view debug logs?
Answer
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set log level = debug in logging logger configuration
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set loglevel = debug on cmd line parameter
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set log level= debug in logging writer
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start aem in debug mode
Question 41
Question
Query search is taking longer time. Debug is necessary. Hence the suggestion is to
debug the search service.
Answer
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Write a log writer service to get the debug logs of the sling search service
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Write a log writer service to get the debug logs of the search service
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Write a logging log service to get the debug logs of the sling search service
Question 42
Question
Objects in AEM?
Answer
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current Design
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currentStyle
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Current node
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current resource
Question 43
Question
default log level of root log?
Answer
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log
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debug
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info
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fail
Question 44
Question
how does a dialog inherit the properties from another dialog?
Answer
-
cq:dialog
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sling:ResourceSuperType
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sling:ResourceType
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cq:panel
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cq:include
Question 45
Question
Which statement about the docroot parameter in the cache section of the CQ
Dispatcher configuration file is true?
Answer
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It should be the same path where the CQ server is installed.
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It should be the same as the one configured in the repository as docroot property
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It can be any path inside the filesystem that can be modified by the Web server.
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It is required to be the same as the document root of the Web server.
Question 46
Question
What is the main advantage of using a template over a component ?
Answer
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Allow creation of a page with default components
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Restrict other components/templates within
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you can include several components within
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