A customer of AEM as a Cloud Service is planning to launch a major site redesign. The customer is concerned about the possible impact of the refactored code base on a number of different web quality metrics, including performance, accessibility, and search engine optimization. The DevOps engineer needs to respond to these concerns.
What should the DevOps engineer do?

• A.Add high value site pages to the Production Pipeline Experience Audit list.
• B.Request an Expert Session in Admin Console to schedule real-time performance monitoring during the launch.
• C.Reduce the "95th percentile response time" KPI value in order to detect issues more quickly.
• D.Enable real-time CDN monitoring for performance tracking.

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A DevOps engineer must analyze a performance issue on AEM as a Cloud Service. A page is running slowly and takes a long time to render. A query seems to be the cause.
What should the DevOps engineer do to analyze this issue?

• A.Review the performance tests retrieved from the Cloud Manager pipeline.
• B.Check the Code Quality gate for bad queries from the Cloud Manager pipeline.
• C.Investigate query performance via Cloud Manager Developer Console.

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A DevOps engineer is running a test compilation of the project source code and encounters errors during a local compilation. The project source code is intended to be deployed to a development environment on Adobe Managed Services.
The project source code has been upgraded from Java 8.
The project source code has been merged from multiple repositories into a single code base.
The project source code has been refactored to compile with Azul Zulu JDK 11.0.10 The project is intended for AEM 6.5.9 with a Cloud Manager deployment.
The following errors have been flagged in the 'error.log'.
15.09.2020 00:30:20.868 *ERROR* [FelixStartLevel] org.apache.sling.scripting.sightly bundle org.apache.sling.scripting.sightly:1.1.2.1_4_0 (557)
[org.apache.sling.scripting.sightly.impl.engine.extension.use.JavaUseProvider(3410)] :
Error during instantiation of the implementation object
(java.lang.NoClassDefFoundError: jdk/internal/reflect/ConstructorAccessorImpl) java.lang.NoClassDefFoundError: jdk/internal/reflect/ConstructorAccessorImpl at java.base/jdk.internal.misc.Unsafe.defineClass0(Native Method) at java.base/jdk.internal.misc.Unsafe.defineClass(Unsafe.java:1192) at java.base/jdk.internal.reflect.ClassDefiner.defineClass(ClassDefiner.java:63) at java.base/jdk.internal.reflect.MethodAccessorGenerator$1.run(MethodAccessorGenerator.java:400) at java.base/jdk.internal.reflect.MethodAccessorGenerator$1.run(MethodAccessorGenerator.java:394) at java.base/java.security.AccessController.doPrivileged(Native Method)
...
What is causing this issue?

• A.An unsupported version of JDK was used to compile
• B.Missing packages in the boot delegation property
• C.A class definition was not defined in the pom.xml
• D.Upgrade the project source code to JDK 17

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A DevOps engineer notices very high CPU usage on the server after a major content deployment. After inspecting the server's error log, the DevOps engineer is unable to identify the cause of the CPU spike and creates a Support Case via the Admin Console.
Which information must be provided in the ticket?

• A.Heaps via Jmap
• B.Bundle list
• C.Threads via Jstack
• D.Sling metrics

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An AEM instance performance is slow during specific times.
AEM instance response time is very slow
The threadcount is mostly above 400
Cache hit rate is acceptable
How should the DevOps engineer proceed in analyzing the issue?

• A.Analyze the request.log
• B.Reconfigure the threadcount to -1
• C.Take thread dumps during the spikes
• D.Take thread dumps outside the spikes

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