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Oracle WebLogic Server 12c: Advanced Administrator II Questions and Answers

Question 1

As the WebLogic domain administrator, you have been asked to create a new cluster and to establish load balancing of JMS destinations across multiple servers for this cluster.

Which three configuration options will ensure load balancing of distributed destinations? (Choose three.)

Options:

A.

configuring a JMS server and targeting a WebLogic cluster

B.

configuring multiple JMS servers and targeting them to a WebLogic cluster

C.

configuring multiple JMS servers and targeting them to the configured WebLogic Servers

D.

configuring multiple JMS servers and targeting them to a set of migratable targets

E.

configuring a JMS server and targeting it to a set of migratable targets

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Question 2

Which two objects can be considered potential clients of a Node Manager? (Choose two.)

Options:

A.

an administration server

B.

a WLST session

C.

an HTTP server

D.

any other Node Manager

E.

a remote JMS client

F.

the weblogic.Deployer utility

Question 3

You are responsible for creating scripts to use Node Manager with a WebLogic Server domain.

Which four statements correctly describe the WLST command: nmEnroll? (Choose four.)

Options:

A.

WLST must NOT be connected to a Node Manager when invoking nmEnroll.

B.

The nmEnroll command enables the nmConnect command to be used in a production environment.

C.

The nmEnroll command downloads the nm_password.properties and SerializedSystemIni.dat files.

D.

WLST must be connected to a Node Manager when invoking nmEnroll.

E.

WLST must be connected to an Administration Server when invoking nmEnroll.

F.

The nmEnroll command is run once per WebLogic domain per machine unless that domain shares the root directory of the Administration Server.

G.

WLST must be offline when invoking nmEnroll.

Question 4

A Web Module needs specific tuning. The Development team fine tunes the module in the deployment descriptor (weblogic.xml) as follows:

Which two are true? (Choose two.)

Options:

A.

MyWorkManager is an application-scoped Work Manager.

B.

Add the line MyWorkManager before tags in weblogic.xml to make the Web Module use the Work Manager MyWorkManager.

C.

MyWorkManager is a Global Work Manager.

D.

MyWorkManager is a Default Work Manager.

E.

Once the application is deployed and started on a Managed WebLogic Server, MyWorkManager will appear under Environment/Work Managers on the WebLogic Console.

Question 5

You are required to configure SSL for an instance of WebLogic Server in a production environment. You have already created your self-signed certificate within the myKeyStore.jks keystore. You must now obtain a new digital certificate from a trusted Certificate Authority.

Which command do you use to start the process? (Choose the best answer.)

Options:

A.

keytool -gencert -alias myCertName -infile myCertName.csr -outfile myCertName.der

B.

keytool -certreq -alias myCertName -file myCertName.csr –keystore myKeyStore.jks

C.

keytool -printcertreq -alias myCertName -file myCertName.csr –keystore myKeyStore.jks

D.

keytool -genkeypair -alias myCertName –dname “CN=MyCert” –keystore myKeyStore.jks

Question 6

Which statement is correct for JTA service migration? (Choose the best answer.)

Options:

A.

TLOG files should be stored on a remote file system accessible only to the migration target server.

B.

TLOG files should be stored on a shared storage accessible from the migration source and the administration server.

C.

TLOG files should be stored on the local file system of the migration source server.

D.

TLOG files should be stored on a remote file system accessible only to the migration source server.

E.

TLOG files should be stored on a shared storage accessible from migration source and target servers.

Question 7

You are managing and monitoring durable subscribers for your JMS topics to ensure that all the subscribers would receive persistent messages.

However, JMS connections are currently restricted, so only one connection with the same client ID could exist in the scope of your cluster.

On which page of the Administration Console can you set Client ID Policy to unrestricted in order to lift this restriction? (Choose the best answer.)

Options:

A.

Topic > Monitoring > Durable Subscribers

B.

Connection Factory > Configuration > Client

C.

Topic > Configuration > Thresholds and Quotas

D.

Topic > Configuration > Overrides

E.

Topic > Configuration > Durable Subscribers

F.

JMS Server > Configuration > Durable Subscribers

Question 8

Your clients are connected to distributed destinations to consume messages sent to various JMS topics.

Recently, JMS connections got interrupted due to a network failure and your clients dropped their connections as well.

How would you ensure seamless failover for your clients when a distributed destination fails? (Choose the best answer.)

Options:

A.

No action should be needed at the client’s level if the failover is being handled properly at the cluster level.

B.

Set the с1ientReconnectOptions parameter to Automatic in the Administration Console under the destination configuration general page.

C.

Implement an automatic reconnect mechanism in the client exception handler.

D.

Set AutomaticClientReconnect to Enabled in the Administration Console under the destination configuration general page.

Question 9

You are implementing leasing functionality within your environment to ensure exclusive ownership of a cluster-wide entity.

Which type of leasing requires that Node Manager is configured and running? (Choose the best answer.)

Options:

A.

high-availability database leasing

B.

high-consensus leasing

C.

non-database consensus leasing

D.

high-availability in-memory leasing

Question 10

You are developing and managing distributed destination applications for which you do not need to create or designate destination members.

Which configuration steps in the Administration Console will help you to create and target a Uniform Distributed Topic so that you can rely on WLS to create the necessary members on the JMS servers to which a JMS module is already targeted? (Choose the best answer.)

Options:

A.

1. Expand Services > Messaging, select the JMS Module in which to configure the destination.2. Click New, select Distributed Topic, and click Next.3. Enter a Name, JNDI Name and set Destination Type to Uniform.4. Click Next, select the targeted server, and click Finish to finalize the creation of the topic.

B.

1. Expand Services > Messaging, select Destinations.2. Click New, select Distributed Topic, and click Next.3. Enter a Name, JNDI Name and set Destination Type to Uniform.4. Click Next, and select the JMS Module assigned to this topic.

C.

1. Expand Services > Messaging, select the JMS Module in which to configure the destination.2. Click New, select Distributed Queue, and click Next.3. Enter a Name, JNDI Name and set Destination Type to Uniform.4. Click Next, select the targeted server, and click Finish to finalize the creation of the queue.

D.

1. Expand Services > Messaging, select the JMS Module in which to configure the destination.2. Click New, select Distributed Topic, and click Next.3. Enter a Name, JNDI Name and expand Advanced Options.4. Set Destination Type to Uniform.5. Click Next, select the targeted server, and click Finish to finalize the creation of the topic.

E.

1. Expand Services > Messaging, select the JMS Module in which to configure the destination.2. Click New, select Uniform Distributed Topic, and click Next.3. Enter a Name, JNDI Name and click Next.4. Select the targeted server and click Finish to finalize the creation of the topic.

Question 11

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:

A.

automatic failure detection and restart of Coherence-based servers

B.

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

C.

monitor Coherence MBeans with the WebLogic Server administration console

D.

life cycle management with the WebLogic Server administration console

E.

offload WebLogic Server HTTP session state to Coherence-based servers

Question 12

You are considering targeting your JMS servers to dynamic clusters to benefit from dynamic scaling. However, you have been advised to keep in mind some of the associated limitations.

What are two valid limitations and considerations for clustered JMS services? (Choose two.)

Options:

A.

Store-and-Forward agents cannot be targeted to a cluster (dynamic or mixed).

B.

WLST in offline mode does not support the get and set commands to target JMS servers to a dynamic cluster.

C.

A sub-deployment cannot be targeted to a duster.

D.

Targeting a messaging bridge to a dynamic cluster is not supported.

Question 13

Your WebLogic domain consists of deployed applications heavily relying on JMS. Three machines, each hosting a managed server, are part of a cluster.

In order to ensure the availability of servers and JMS service on those servers, you are considering the configuration of whole server migration rather than service migration.

Which two statements are prerequisite for whole server migration but not for manual service migration? (Choose two.)

Options:

A.

A singleton service must be configured.

B.

A shared file system must be created.

C.

Each migratable server must be assigned a floating IP address.

D.

Either a database leasing service or a consensus leasing service must be configured.

E.

A database leasing service must be configured.

Question 14

You are using the Domain Template Builder to create a new template using an existing domain as the source.

Which two directories are included by default? (Choose two.)

Options:

A.

bin directory

B.

lib directory

C.

servers directory

D.

common directory

E.

logs directory

F.

replication directory

Question 15

Review this scenario of an application running on a storage-disabled, managed Coherence server that uses a Coherence two-tier near cache:

  • Cache data is already written to the distributed cache.
  • There is a local near cache configured on the application side (storage-disabled node).
  • Application requests the data from Coherence twice.

Assuming this is the server’s first access of this data from the cache, how many network round trips between Coherence cluster instances take place in total? (Choose the best answer.)

Options:

A.

3

B.

4

C.

1

D.

2

Question 16

You are troubleshooting an application that uses a WebLogic server data source. You decide to execute a reset() operation on the corresponding JDBCDataSourceRuntimeMBean.

Which statement is true regarding the impact on the application that is using that data source? (Choose the best answer.)

Options:

A.

A Reset is the equivalent of a Shutdown followed by a Start.

B.

A Reset is the equivalent of a Force Suspend followed by a Resume.

C.

A Reset is the equivalent of a Suspend followed by a Resume.

D.

A Reset is the equivalent of a Force Shutdown followed by a Start.

Question 17

You are monitoring a WebLogic JDBC data source and have decided to drop some connections because an earlier peak usage condition has now ended. In addition, this data source has not been enabled for automatic shrinking.

What will occur once you execute the shrink() method on that JDBCDataSourceRuntimeMBean?

Options:

A.

The number of connections in the pool will be reduced to the greater of either the current number of connections in use or to the minCapacity property setting.

B.

The number of connections in the pool will be reduced to the current number of connections in use regardless of the minCapacity property setting.

C.

The number of connections in the pool will be reduced to the minCapacity property setting regardless of the current number of connections in use.

D.

The number of unused connections in the pool will be reduced by half.

Question 18

You have enabled JMS Diagnostic Logging and are analyzing JMS Message delivery and acknowledgment using the generated log entries. For this purpose, you are tracking individual message IDs.

What is the default format of the message ID that you would expect to see in the log? (Choose the best answer.)

Options:

A.

Hexadecimal (e.g., 0xCAE987ВA401)

B.

Numeric (e.g., 9018199222001)

C.

Floating Point (e.g., 10029920902.10111)

D.

Doubly dot delimited (e.g., 683871.1122857923566.0)

Exam Detail
Vendor: Oracle
Certification: WebLogic Server
Exam Code: 1z0-134
Exam Name: Oracle WebLogic Server 12c: Advanced Administrator II
Last Update: Nov 21, 2024
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