C9510-401 IBM WebSphere Application Server Network Deployment V8.5.5 and Liberty Profile System Administration

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Number of questions: 65
Number of questions to pass: 38
Time allowed: 120 mins
Status: Live

The test consists of nine sections containing a total of approximately 65 multiple-choice questions. The percentages after each section title reflect the approximate distribution of the total question set across the sections.

Section 1 – Architecture 11%
Identify the components and services in a WebSphere Application Server configuration and describe how they are related or interact.
Design various WebSphere Application Server topologies, for example, flexible management, intelligent management, mixed platform topology, network deployment cells, Liberty collectives, and ODR.
Analyze appropriate design considerations when architecting topologies to achieve security, scalability, performance and fault tolerance.
Demonstrate an understanding of how requests traverse various WebSphere Application Server topologies.
Demonstrate an understanding of the administration activities for a network deployment cell including the flexible management components.
Identify and describe the components of the WebSphere Application Server Liberty profile.

Section 2 – Product Installation, Configuration and Maintenance 15%
Demonstrate an understanding of the IBM Installation Manager and IBM Packaging Utility and its role in installing, configuring, and maintaining WebSphere application servers and components both locally and remotely.
Perform a silent installation process for WebSphere Application Server and fix pack installations.
Perform pre and post installation verification.
Troubleshoot installation problems.
Create and manage Full and Liberty profiles.
Manage nodes in a WebSphere topology, for example, managed, unmanaged nodes, flexible management and network deployment cell.
Backup and restore configuration including the use of checkpoints.

Section 3 – Application Management (Assembly, Deployment and Configuration) 9%
Explain the structure of enterprise applications, web applications, and business level applications.
Deploy applications to a WebSphere Application Server environment.
Configure resources, for example, data sources, JNDI, class paths, J2C providers, as required by an application.
Use the IBM Rational Application Developer for WebSphere Software or the IBM WebSphere Application Server Developer Tools for Eclipse to examine and manipulate applications.
Demonstrate an understanding of the administrative tasks required to take an application deployed to the Liberty profile and deploy it in a WebSphere Application Server Network Deployment environment.

Section 4 – Administrative Tools 14%
Illustrate the usage of the Integrated Solutions Console (ISC) and its various tools (e.g., command assistance, runtime messages).
Use the standard set of command line administrative tools such as wsadmin, profile management and plug-in generation.
Use the capabilities of the Job Manager tooling including the submission of Liberty profile jobs.
Use scripting to perform administrative tasks, for example, scripting libraries, ws_ant, wsadmin
Write, test, and debug scripts by using the IBM Rational Application Developer for WebSphere Software or the IBM WebSphere Application Server Developer Tools for Eclipse.
Configure or modify a WebSphere Application Server environment by using properties files and/or the monitored directory feature.

Section 5 – Security configuration and Maintenance 14%
Configure user repositories.
Configure SSL for clients and servers, for example, create certificates, populate trust stores and modify certificate expiration.
Discuss the implications of resource security settings.
Implement multiple security domains.
Apply administrative and application security roles.
Configure different authentication and authorization mechanisms, including SSO.
Configure Java Enterprise, Liberty, Web and Web Services Security.

Section 6 – Clustering and Workload Management 9%
Configure clusters in workload management topologies.
Configure and manage the HTTP server and the web server plug-in.
Configure distributed session management for high availability and failover scenarios, including the WebSphere eXtreme Scale option.
Configure messaging engine policies for clustered service integration bus (SIBus) members.
Configure high availability using core groups.
Utilize the capabilities of the Liberty collectives.

Section 7 – Intelligent Management and Resiliency 6%
Use the dynamic cluster elasticity feature.
Create and configure On Demand Routers (ODR) and the ODR plug-in and associated service policies to enable the dynamic operations.
Use health policies and actions to monitor and react to changing performance in the environment.
Configure and maintain application editions.

Section 8 – Performance Monitoring and Tuning 11%
Use the Tivoli Performance Viewer (TPV) to monitor the WebSphere Application Server runtime.
Use the Tivoli Performance Viewer (TPV) Advisor and the Diagnostic Advisor to obtain advice on performance issues.
Tune parameters, for example JVM settings, connection pools, thread pools, that affect WebSphere Application Server performance.
Use the Performance Monitoring Infrastructure (PMI) metrics and poll MBeans for performance data.
Configure and monitor the WebSphere Application Server caching mechanisms.
Configure multi-cell performance management.

Section 9 – Problem Determination 11%
Enable High Performance Extensible Logging (HPEL) and view HPEL data.
Enable Cross Component Trace (XCT) and view trace data in XCT Log Viewer.
Use tools to trigger and analyze heap dumps, javacore dumps, system core dumps and verbose Garbage Collection (GC).
Configure diagnostic tracing.
Use “mustgather” documentation and/or the IBM Support Assistant to collect and analyze diagnostic data or submit data to IBM Support.
Configure, review and analyze log files for example, First Failure Data Capture (FFDC), system logs, native logs.

The sample test is designed to give the candidate an idea of the content and format of the questions that will be on the certification exam. Performance on the sample test is NOT an indicator of performance on the certification exam. This should not be considered an assessment tool.

To prepare for this test, it is first recommended that you are familiar with the job role description and the parameters this certification is based on, as well as have knowledge of the topics outlined in the test objectives/skills measured on the test. Compare your own technical level to the test objectives and the recommended training resources, and then determine for yourself how much preparation you require. Note that these educational sources are recommended, but not required (*) before taking a certification test.

Before preparing for the certification test, it is recommended that you measure your current level of skill by taking the Sample Test (located from the “Sample/Assessment test” link above)..

You can prepare for the test through the Tutor Approach (classroom, instructor led course, and other sources) or the Self-Study Approach. Sources within each approach collectively cover the skills measured on the test.

To prepare via the Tutor Approach, take course [WA855G or ZA855G], and refer to the sources with an * in front of them. Note that per this formula, you are only required to take 1 course.

To prepare via the Self-Study Approach, omit the course, and refer to all other sources with and without the * in front.

The recommended educational resources listed are not intended to be a substitute for, but should complement, relevant practical experience.
Extensive product knowledge is required to pass the test.

Every effort has been made to make the recommended educational resources as complete and as accurate as possible, but no warranty of fitness is implied. The resources provided are on an as is basis. IBM shall have neither liability nor responsibility to any person or entity with respect to any loss or damages arising from course or publication content.

A system administrator completed a WebSphere Application Server installation by using the Installation Manager. During installation, all defaults were selected for the installation root directories and the shared resources directory. Over time, the administrator has updated the installation with various interim fixes and fix packs. The administrator notices that the shared resources directory is very large in size and grows larger each time the Installation Manager is run.
How can the administrator decrease the size and remove some of the content from the shared resources directory?

A. Manually delete content from the directory.
B. During an update, create a new shared resources directory.
C. Clear the Delete Saved Files option for the Installation Manager.
D. Set the preserve Downloaded Artifacts preference to false.

Answer: D
Reference: http://www-01.ibm.com/support/knowledgecenter/SSAW57_7.0.0/com.ibm.websphere.installation.soaf epnd.doc/info/ae/ae/tins_installfp_dist.html?lang=en (Shared resources directory)

A system administrator ran the backup Config command to backup the configuration using the -nostop option. The administrator changed the properties for the service integration environment by modifying the sib.properties file. During testing the administrator noticed
Service Integration Bus related errors and wanted to restore the service integration environment. The administrator used the restore config command, but the tuning properties for the service integration environment were not restored.
How can the administrator prevent this issue?

A. Use full repository checkpoints for both the backup and the restore.
B. Use the restore config command with -nostop for the restore.
C. Use the manage profiles command for both the backup and the restore.
D. Use the backup config command without -nostop for the backup Use the restore config command without -nostop for the restore.

Answer: B

Within a WebSphere Application Server Network Deployment cell, a system administrator needs to write a script to determine if a particular server is stopped. It is important that the wsadmin script explicitly return a status of stopped as opposed to just failing.
What wsadmin object should the administrator use to write this script?

A. AdminApp
B. AdminTask
C. AdminConfig
D. AdminControl

Answer: D
Reference: http://www-01.ibm.com/support/knowledgecenter/SSAW57_8.0.0/com.ibm.websphere.nd.doc/info/ae/a e/welc6topscripting.html

The administrator needs to identify any security role references and security constraints in a web application.
How can the administrator identify these roles and constraints?

A. ibm-application-ext.xml file using a text editor.
B. ibmconfig folder in the application after using the EARExpander command.
C. Web deployment descriptor using IBM Assembly and Deploy Tools.
D. Security role to user/group mapping by using the Integrated Solutions Console (ISC).

Answer: A

A system administrator wants to learn some of the Python scripting commands for the administration of the environment.
Which product feature should the administrator use?

A. The wsadmin.properties file to load a profile.
B. The AdminTask object to generate wsadmin scripts.
C. The guided activities panel from the Integrated Solutions Console (ISC).
D. The “Log command assistance commands” option in the Integrated Solutions Console (ISC).

Answer: D

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