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1z0-134
Oracle WebLogic Server 12c: Advanced Administrator II Questions and Answers

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Questions # 1:

A current production WebLogic Server (WLS) domain needs to be upgraded without affecting the users. What are the five steps to follow for a Rolling Update? (Choose five.)

Options:

Back up the contents of your domain.

Use pack and unpack to upgrade each of the servers in the machine.

Shut down the servers in a single machine.

Repeat the process for all machines in the domain.

Restart the servers in the machine.

Repeat the process for all domains in the machine.

Upgrade the servers in the machine.

Answer

A, C, D, E, G

Explanation

A: Before you begin the upgrade process, make sure that you take any necessary precautions such as:

* Back up your applications, database schema, other application data, and domains.

* If required, obtain latest third party plug-ins or components that are compatible with required non-Oracle components. For example, Apache Web Server libraries.

CGED: The rolling upgrade process includes stopping the Administration Server, installing the upgrade, restarting the Administration Server, and then doing the same for each Managed Server in the cluster (machine).

Questions # 2:

You created a script to monitor your WebLogic Server WLS Execute Thread:

Question # 2

Here is a message in your ExecuteThread.log file:

Question # 2

What is the value of xxxx if the thread has been running a request for twenty minutes, assuming a default configuration?

Options:

SRANDBY

ACTIVE

STUCK

RUNNING

WAITING

ADMIN

FAILED

Answer

Explanation

This thread is considered Stuck by WebLogic because it's been running for over the time defined in MaxStuckThreadTime (600 seconds by default). Weblogic Server waits for this time to be reached before marking a thread as stuck if the thread is still working after this time.

Example: [STUCK] ExecuteThread: '2' for queue: 'weblogic.kernel.Default (self-tuning)' id=73 idx=0x128 nid=13410 prio=1 alive, in native, daemon

Questions # 3:

Coherence is integrated with WebLogic Server in the form of managed Coherence servers.

What two options are immediate benefits of running Coherence on WebLogic Servers versus as standalone servers that are not part of the WebLogic domain? (Choose two.)

Options:

automatic failure detection and restart of Coherence-based servers

automatic data partition re-balancing of all cached data on running servers

monitor Coherence MBeans with the WebLogic Server administration console

life cycle management with the WebLogic Server administration console

offload WebLogic Server HTTP session state to Coherence-based servers

Answer

C, E

Questions # 4:

Examine the domain diagram:

Question # 4

Assume all servers are running and you have an online WLST session connected to the administration server.

Select two code options that would set the variable x as a reference to the machine02 configuration MBean. (Choose two.)

Options:

cd(‘/Machines/machine02’)x = cmo

x = getMBean(“/Machines/machine02”)

x = cmo.getRef(‘/Machines/machine02’)

getRef(“/Machines/machine02”)x = cmo.currentObj()

cmo.getMBean(‘/Machines/machine02’)x = cmo.currObj()

cd(‘/Machines/machine02’)x = getRef(cmo)

x = getConfiguration(‘/Machines/machine02’)

Answer

A, B

Explanation

A: WLST online provides a variable, cmo, that represents the current management object.

Example: wls:/mydomain/serverConfig/Servers/myserver/Log/myserver> cmo[MBeanServerInvocationHandler]mydomain:Name=myserver,Server=myserver,Type=Log

B: wls:/mydomain/edit !> bean=getMBean('Servers/myserver/WebServer/myserver')

wls:/mydomain/edit !> print bean

[MBeanServerInvocationHandler]mydomain:Name=myserver,Type=WebServer,Server=myserver

Questions # 5:

Which three tools allow you to create a Domain Template? (Choose three.)

Options:

JDeveloper

pack command

Smart Template Wizard

weblogic.Build

Domain Template Builder

WLST

Archive command

Answer

B, E, F

Questions # 6:

You have been asked to assist developers with executing a partial redeployment of static files within a Java EE Web Application deployed to WebLogic Server. The Web Application has already been deployed as an exploded archive directory.

Which of the following represents the correct conditions for this to be successful? (Choose the best answer.)

Options:

The -redeploy argument is used when executing the weblogic.Deployer command.

The -distribute argument is used when executing the weblogic.Deployer command.

The -distribute argument is used when executing the weblogic.Deployer command and the domain must be in development mode.

The -redeploy argument is used when executing the weblogic.Deployer command and the domain must be in development mode.

Answer

Questions # 7:

We find the JMSRedelivered header set for a particular message on the receiver.

In which two scenarios is this expected to happen? (Choose two.)

Options:

The application has already received the message, but did not acknowledge it.

The session’s recover() method was called to restart the session beginning after the last acknowledged message.

The sender calls the redeliver() method for the message.

The sending application crashes after sending the message.

Answer

A, B

Explanation

A: The JMSRedelivered property specifies a flag set when a message is redelivered because no acknowledge was received. This flag is of interest to a receiving application.

If set, the flag indicates that JMS may have delivered the message previously because one of the following is true:

* The application has already received the message, but did not acknowledge it.

* The session's recover() method was called to restart the session beginning after the last acknowledged message.

Questions # 8:

On a WebLogic Managed Server you administer, you have the following log:

Question # 8

You investigate and find a Web Module named MyApp with the following deployment descriptor weblogic.xml:

Question # 8

Which two are true? (Choose two.)

Options:

Access to Web Module MyApp now returns an HTTP Error: 503 Service unavailable.

The ExecuteThread: ‘17’ is now available because WebLogic Server automatically stops stuck threads.

When the WebLogic Managed Server is restarted the Web Module will be in Admin mode.

If another thread is stuck the error number will be in the WebLogic log file.

The health status of the Managed Server where the application is deployed is now warning due to the subsystem pooltread.

Answer

B, D

Questions # 9:

What is the difference between a WebLogic Diagnostic Framework (WLDF) watch and a notification? (Choose the best answer.)

Options:

A watch compares WLDF instrumentation data to a rule and sends a notification SMS text message.

A notification compares WebLogic log data to a rule and notifies a watch when the rule is true.

A notification compares WLDF instrumentation data to a rule and notifies a watch when the rule is true.

A watch compares WLDF metric data to a rule and triggers a certain notification action.

Answer

Questions # 10:

You need to make sure that a JMS Message never expires.

What value should you set for the JMSExpiration header? (Choose the best answer.)

Options:

999

1000

Answer

Explanation

WebLogic JMS calculates the JMSExpiration value as the sum of the application's time-to-live and the current GMT. If the application specifies time-to-live as 0, JMSExpiration is set to 0, which means the message never expires.

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