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Oracle 1z0-133 - Oracle WebLogic Server 12c: Administration I

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Total 127 questions

All administrators that deal with the production domain in your organization are extremely experienced. As the lead administrator, you have been asked to change the administration console preferences for all administrators so that inline help no longer displays, since no one needs it.

Select the true statement about this scenario.

A.

There is nothing you can do, since inline help cannot be disabled.

B.

There is nothing you can do for all users, since disabling inline help must be done per user.

C.

Log into the administration console and disable inline help under "help."

D.

Access WLST, connect to the domain's admin server, and use the command EnableInlineHelp (false).

Which three statements about patching WebLogic Server (WLS) by using OPatch are true? (Choose three.)

A.

Each patch comes with a “read me” file containing installation instructions.

B.

You can use OPatch to see which patches are currently applied to WebLogic Server.

C.

OPatch is a GUI tool and requires the operating system to have a window manager.

D.

OPatch requires a JDK to run.

E.

After installing WLS, you download the OPatch utility from Oracle Support.

F.

Each patch ZIP file comes with the OPatch utility.

You see a script called startWebLogic.sh (.cmd in Windows) in the root folder of your domain.

What does this script do?

A.

Starts a machine

B.

Starts Node Manager

C.

Starts a Managed server

D.

Calls the startWebLogic.sh script in the domain’s bin directory

E.

Calls the startManagedWebLogic.sh script in the domains bin directory

Identify two reasons for defining machines and assigning servers to them in WebLogic Server. (Choose two.)

A.

A machine can be the proxy to a cluster.

B.

A machine definition is required to configure the Node Manager.

C.

To reference an instance of WebLogic Server, you must know its machine and port.

D.

A machine is a required organizational unit. A domain contains machines and machines contain servers.

E.

WebLogic Server uses server machine assignments to help it choose servers in a cluster on which to replicate session state.

F.

A machine’s Cluster Weight attribute may be used by load balancers to help them determine how often to send requests to servers assigned to that machine.

Your developers created Plain Old Java Objects (POJO) that provide useful functionality. The code is packaged in a JAR file. You want to make this code accessible from all the applications deployed to the managed servers in your domain. What are the four ways to accomplish this? (Choose four.)

A.

Include the JAR file as an optional package

B.

Deploy the JAR file as an EJB

C.

Deploy the JAR file as a shared library

D.

Place the JAR file in the lib folder of the domain

E.

Deploy the JAR file to the administration server. All managed servers have access to their admin server

F.

Add the JAR file to the CLASSPATH of the domain servers by editing the domain’s seyDomainEnv.sh script

G.

Deploy the JAR file as another web application

One Managed Server that is part of a large domain throws java.lang.OutOfMemory errors (OOM) occasionally.

You have been monitoring this server with the jvisualVM tool but that didn’t help because the issue occurs infrequently and not a specific scenario. So you decided to force the server to dump the heap memory as soon as an OOM gets thrown in order to analyze the dump file later.

How do you modify the Java HotSpot startup command to enable this feature and save the dump in the directory D:\hprof-dumps\?

A.

Add -XX:+DumpHeapOnOutOfMemory -XX:DumpPath= D:\hprof-dumps.

B.

Add -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=D:\hprof-dumps.

C.

Add -XX:+DumpHeapOnOutOfMemoryError -XX:HeapPath=D:\hprof-dump.

D.

Add -XX:+HeapDumpOnOutOfMemory -XX:HeapDumpPath=D:\hprof-dumps.

E.

Add -XX:+HeapDumpOnOutOfMemoryError -XX:DumpPath=D:\hprof-dumps.

F.

Add -XX:+HeapDumpOnOutOfMemoryException -XX:HeapDumpPath=D:\hprof-dumps.

Identify two advantages of using a Single Client Access Name (SCAN) when configuring a GridLink data source. (Choose two.)

A.

The Fast Connection Failover (FCF) pattern, which allows rapid failure detection, is enabled

B.

The more sophisticated runtime connection load balancing (RLCB) is used; without SCAN, load balancing reverts to a simple round-robin scheme

C.

SCAN is required for the GridLink data source to use an XA driver

D.

The database URL is shorter because it contains one SCAN alias and port as opposed to a host and port for each RAC node

E.

The data source configuration does not need to be updated when new nodes are added to the RAC cluster

GridLink data sources are designed for use with an Oracle RAC database. By using the Fast Connection Failover (FCF) pattern, GridLink data sources can quickly react when a RAC node goes down.

Which two statements are true? (Choose two.)

A.

The Oracle Notification Service is used to notify the data source of changes to RAC nodes.

B.

The reaction is quick, because in using FCF all network timeouts are set very low.

C.

FCF is faster because it polls and tests connection, freeing the data source from these tasks.

D.

FCF requires the use and configuration of a database server in the GridLink data source.

E.

You can use any Oracle Thin database driver with a GridLink data source.

You need to take a web application offline.

Which three options are supported in WebLogic Server when you stop a running application? (Choose three.)

A.

Terminate HTTP sessions immediately.

B.

Terminate HTTP sessions after three minutes.

C.

Move HTTP sessions to a database.

D.

Wait for HTTP sessions to time out.

E.

Allow new requests only through the administration port.

F.

Move in –progress requests to another server in the cluster.

You zipped up the domain’s config directory on the administration server’s machine before making some major configuration changes. You wait to activate after all the changes have been saved. After your changes are in, things start failing badly. You want to go back to the old configuration.

What is the best course of action?

A.

Undo the changes you made manually by using the administration console or WLST.

B.

1. Stop the administration server. 2. Replace the config directory on the administration server’s machine with your backup. 3. Restart the administration server.4. Stop the managed servers on each machine.5. Replace the config directory on the machine with your backup.6. Restart the managed servers on the machine.

C.

1. Stop the administration server.2. Extract only the config.xm1 file from the zip file.3. Overwrite config.xm1 on the administration server’s machine with this extracted file.4. Restart the administration server.

D.

1. Stop the administration server.2. Replace the config directory on the administration server’s machine with your backup.3. Restart the administration server.