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Question 1:

Which three scenarios are true about Domains?

A. Domains can be created using the Configuration Wizard.

B. Domains can be created using WLST.

C. Domain configuration files are located in the WebLogic home directory.

D. Domains can be created based on a domain template.

Correct Answer: A

A: a WebLogic domain can be created by using the Configuration Wizard in graphical mode.

B: WLST enables you to create a new domain or update an existing domain

D: A domain template is a JAR file that contains domain configuration documents, applications, security data, startup scripts, and other information needed to create a domain.


Question 2:

What does the Fast Connection Failover feature of Active GridLink for RAC provide?

A. instant notification of a RAC node failure so applications never have to retry a transaction that was sent to a node that failed during the transaction

B. near-instant notification of the failure of a RAC node failure that minimizes the possibility connection to a failed node being provided to an application

C. application level notification of a failed RAC node such that an application can retry a transaction if required

D. faster failover for Multi Datasources

E. guaranteed transaction high availability when interacting with an Oracle RAC Database

Correct Answer: B

*

WebLogic Server supports Fast Connection Failover, a Oracle feature which provides an application independent method to implement RAC event notifications, such a detection and cleanup of invalid connections, load balancing of available connections, and work redistribution on active RAC instances.

*

A GridLink data source uses Fast Connection Failover and responds to Oracle RAC events using ONS. This ensures that the connection pool in the GridLink data source contains valid connections (including reserved connections) without the need to poll and test connections


Question 3:

Which is the correct WebLogic Server distribution version to download if you want to install WebLogic Server 12c to run in 64 bit mode on a 64 bit Linux X86?

A. Linux x86 with 64 bit JVM

B. ZIP distribution for Linux

C. Linux x86 with 32 bit JVM

D. Generic distribution

E. Network installer

Correct Answer: C

WebLogic Server 12c (12.1.1), WebLogic Server 11g (10.3.6) The following provides links to WebLogic Server 12.1.1 installers with 32-bit JVMs for Windows and Linux, the generic installer that can be used on any supported platform, and the zip distribution

*

Installers with Oracle WebLogic Server, Oracle Coherence and Oracle Enterprise Pack for Eclipse

*

Installers with Oracle WebLogic Server and Oracle Coherence:

*

Zip distribution with Oracle WebLogic Server only and intended for WebLogic Server development only.


Question 4:

Identify the three processes that customers can choose for patching WebLogic Server.

A. Download patches from My Oracle Support and manage them using Smart Update.

B. Use Enterprise Manager to download patches from My Oracle Support and apply patches to WebLogic.

C. Download patches from My Oracle Support and manually modify the classpath of the application server (though it is not recommended).

D. Download patches from My Oracle Support and apply them using the WebLogic Admin Console.

E. Use the Admin Console to connect to My Oracle Support and download patches and then target them to the domain.

Correct Answer: ABC

A: Oracle Smart Update is a standalone Java application that is automatically installed in the Middleware home utils/bsu directory. Smart Update simplifies the process of applying patches to your WebLogic Server installation. When support makes a patch available for an installed version of WebLogic Server, you download the patch from My Oracle Support and then use Oracle Smart Update to apply it to your installation. Smart Update organizes all available updates for you, and has several features that allow a great deal of customizing in the way various patches are applied and managed in your environment.

B: As part of a new Enterprise Manager system, the installation wizard does the following:

* Oracle My Oracle Support Management Plug-In etc.

C: Applying patch from server start script:

After downloading the patch (jar file) follow the below steps:

-Stop your server.

– Then take the path of the folder which has the CRxxxxxx_xxxmpx.jar file and copy it in the CLASSPATH of setDomainEnv.cmd which is in

(/user_projects/domains//bin/setDomainEnv.cmd)

For example, the script would look something like this:

set CLASSPATH=%PRE_CLASSPATH%;%WEBLOGIC_CLASSPATH%;

C:\extra\my_projects\doc\CR\CR218639_920mp3.jar;C:\extra\my_projects\doc \CR\ CR360676_920mp3.jar;C:\extra\my_projects\doc\CR\CR367966_920mp3.jar;

C:\extra\my_projects\doc\CR\CR368155_920mp3.jar;C:\extra\my_projects\doc\CR\CR370311_ 920mp3.jar

-Re-start your server.

-You should see the patch applied in the stdout file.


Question 5:

You deployed a Java EE Shared Library and want to use it from an application that is also deployed on the same cluster.

Which two manifest attributes must be specified at a minimum with corresponding values in the deployment descriptor of the application that requires

A. Implementation-Version

B. Specification-Version

C. Extension-Name

D. Specification-Vendor

E. Implementation-Vendor

Correct Answer: AC

When an application that references a shared library or package is deployed, WebLogic Server checks the names and version string requirements against the libraries registered with the server. If an exact match for a library or package name

is not found, or if the version requirements are not met, the application deployment fails.

If WebLogic Server finds a name and version string match for all of the libraries referenced in the application, the server adds the libraries\’ classes to the classpath of the referencing application and merges deployment descriptors from both

the application and libraries in memory. The resulting deployed application appears as if the referenced libraries were bundled with the application itself.

Note:

As a best practice, your development team should always include version string information for a library or optional package in the manifest file for the deployment. See Editing Manifest Entries for Shared Libraries in Developing Applications

for Oracle WebLogic Server for more information.

If you are deploying a library or package that does not include version string information, you can specify it at the command line using one or both of the following options:

libspecver–Defines a specification version for the library or package.

libimplver–Specifies an implementation version for the library or package.

Reference: Deploying Applications to Oracle WebLogic Server, Deploying Shared Java EE Libraries and Dependent Applications


Question 6:

When you use WebLogic Management Pack EE, which three operations are enabled compared to managing WebLogic Server only through web console?

A. management of many WebLogic Server Domains from a single web console

B. tracking changes in the configuration of WebLogic Domain

C. automation of provisioning process in the new environment

D. checking compliance with the licenses that a customer has

E. visual creation of JDBC DataSource object to Oracle RAC

Correct Answer: ABE

The WebLogic Server Management Pack EE greatly improves application performance by providing unique functionality to automatically detect performance bottlenecks; quickly diagnose these performance problems, and identify their root cause. Key application performance management features of the pack include the following:

*

(A) Manage multiple farms and WebLogic Domains centrally

*

Monitor Oracle Coherence Cluster including all nodes within a cluster, all caches, services, connection managers and connections

*

Monitor middleware availability and performance out-of-box; track such data historically, and receive notifications of potential problems

*

Obtain real-time, in-depth JVM diagnostics without instrumentation overhead

*

Trace transactions across containers as well as to the database

*

(E) Analyze call paths and dependencies via graphical, architecture views

*

(E) Automatically discover and model dependencies between Java components, frameworks, and web services Reference: Weblogic Server Management Pack Enterprise Edition


Question 7:

An airline is building a booking system for its premium and general customers. The goal is to ensure premium members are given higher access priority when user traffic is high. What configuration will achieve this goal?

A. Configure a Work Manager for premium users with a Minimum Thread Constraint.

B. Configure a Work Manager for premium users with a higher fair-share-request- class.

C. Configure a Work Manager for premium users with a higher response-time- request-class.

D. Configure a Work Manager general users with a Maximum Thread Constraint.

E. Configure a Work Manager for premium users with a custom request-class.

Correct Answer: B

fair-share-request-class–Specifies the average thread-use time required to process requests. The default fair share value is 50.

For example, assume that WebLogic Server is running two modules. The Work Manager for ModuleA specifies a fair-share-request-class of 80 and the Work Manager for ModuleB specifies a fair-share- request-class of 20. During a period of sufficient demand, with a steady stream of requests for each module such that the number requests exceed the number of threads, WebLogic Server will allocate 80% and 20% of the thread-usage time to ModuleA and ModuleB, respectively.

* Example:

lowpriority_workmanager low_priority 10

highpriority_workmanager high_priority 100

Note:

* A request class expresses a scheduling guideline that WebLogic Server uses to allocate threads to requests. Request classes help ensure that high priority work is scheduled before less important work, even if the high priority work is submitted after the lower priority work.

Incorrect:

Not C: response-time-request-class–Specifies a response time goal in milliseconds. Response time goals are not applied to individual requests. Instead, WebLogic Server computes a tolerable waiting time for requests with that class by

subtracting the observed average thread use time from the response time goal, and schedules requests so that the average wait for requests with the class is proportional to its tolerable waiting time.

Not A, D: Not related to thread constraints.

For example, assume that WebLogic Server is running two modules. The Work Manager for ModuleA specifies a fair-share-request-class of 80 and the Work Manager for ModuleB specifies a fair-share- request-class of 20.