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1Z0-133 Real Exam Questions

Oracle WebLogic Server 12c: Administration I

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Question 1 Multiple choice

You are creating and configuring a cluster by using the administration console.

Which two statements are true?

  1. A

    All servers that will be part of the cluster must be created before the cluster is created.

  2. B

    You must pick the cluster messaging mode.

  3. C

    Even though you create a non dynamic cluster, you can change it to a dynamic cluster later.

  4. D

    Once the cluster is created, you cannot change its messaging mode.

  5. E

    The administration console does not provide a way to manually migrate singleton services. It must be set up to be done automatically or by using WLST.

Show answer and explanation

Correct answers: B, C

Question 2 Multiple choice

Which three statements are true about the default behavior of WebLogic server proxy plug-ins?

  1. A

    The proxy will pin a client to a specific server if a session cookie is created.

  2. B

    The proxy fails over to another server if a connection or request times out.

  3. C

    The proxy distributes requests to cluster members based on their CPU usage.

  4. D

    The proxy dynamically learns the latest locations of cluster members.

  5. E

    The proxy always uses SSL, regardless of the client's protocol.

  6. F

    The proxy replicates session data to its backup proxy.

Show answer and explanation

Correct answers: A, B, D

Question 3 Multiple choice

Which three statements are true about the administration console?

  1. A

    The administration console can be disabled.

  2. B

    The context path of the administration console may be changed.

  3. C

    If a domain is in Development Mode the administration console no longer requires an administration - level user when logging in.

  4. D

    If a domain is in production Mode, access to the administration console must be made through a secure port.

  5. E

    If the domain's Administration port is enabled, access to the administration console must be made only through that port.

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Correct answers: A, B, E

Question 4 Single choice

A domain defines four machines: host01, host02, host11, and host12. It also defines a dynamic cluster whose Machine Name Match Expression is set to the value "host1*".

Which of the machines will be used to host servers in this dynamic cluster?

  1. A

    host01 and host11 only

  2. B

    host11 and host12 only

  3. C

    host11 only

  4. D

    all machines

  5. E

    the default machine of the domain

  6. F

    host01 only

Show answer and explanation

Correct answer: B

Explanation

References:
https://docs.oracle.com/en/middleware/fusion-middleware/12.2.1.3/ashia/using-dynamic-clusters.html#GUID-7EE8875B-A8E8-40BE-928B-D0456B29A09F

Question 5 Multiple choice

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?

  1. A

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

  2. B

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

  3. C

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

  4. D

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

  5. E

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

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Correct answers: A, D

Question 6 Single choice

In your WebLogic Server environment, applications will not access a single database server. Instead they will access a cluster of redundant database servers. This database product was purchased from a vendor other than Oracle. You want to provide transparent failover to the applications as they communicate with the database cluster.

Which type of WebLogic data source should you create?

  1. A

    generic data source

  2. B

    multi data source

  3. C

    GridLink data source

  4. D

    parallel data source

Show answer and explanation

Correct answer: B

Explanation

References:
https://docs.oracle.com/cd/E24329_01/web.1211/e24446/jdbc.htm#INTRO324

Question 7 Multiple choice

An application fails. The exception Indicates that the JDEM data source cannot be found.
Identify two possible steps that you can perform to verify the data source's availability.

  1. A

    Launch the JDBC Diagnostics utility.

  2. B

    Verify the Dependencies attribute of the data source.

  3. C

    View the target server's JNDI tree in the console.

  4. D

    Verify that the application and data source have the same target.

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Correct answers: C, D

Question 8 Single choice

Consider a cluster of four servers: ServerA, ServerB, ServerC, and ServerD.
The cluster hosts a web application and is accessed using a proxy plug-in. This web application is configured to use in-memory session replication. A user is directed to ServerA. An HTTP session is established on ServerA and also replicated to ServerC, but ServerA subsequently fails.

Which server will this user be redirected to?

  1. A

    ServerD

  2. B

    ServerB

  3. C

    none; the user will receive an error message

  4. D

    ServerC

  5. E

    any other available server

Show answer and explanation

Correct answer: D

Explanation

References:
https://docs.oracle.com/cd/E14571_01/web.1111/e13709/failover.htm#CLUST219

Question 9 Single choice

The development group supplied you with the latest WAR file for the company web application. It has been thoroughly tested and needs to be placed into production. In the production file system, you copy over the previous WAR file with the new version. You log into the administration console and redeploy the application. Current uses continue to access the older version of the application, while new users are taken to the new version. Explain this scenario.

  1. A

    This is only possible if the application is deployed to a cluster. Cluster deployments allow current users to continue to use the previous version of an application

  2. B

    This is possible if the application is versioned by using the WebLogic Server feature called Production Redeployment.

  3. C

    This is not possible. When an application is redeployed, it replaces the old version and all users than access the new version

  4. D

    This is not possible. When an application is redeployed, all users continue to access the old version.
    Once all current users have exited the system, then all users from that point on access the new version

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Correct answer: B

Question 10 Multiple choice

You create a new dynamic cluster with the following parameters: Number of servers: 2
Listen port: 8101
Enable calculated listen ports: true To which two port numbers will the resulting two dynamic servers bind? (Choose two.)

  1. A

    8101

  2. B

    8102

  3. C

    8103

  4. D

    8100

  5. E

    8104

Show answer and explanation

Correct answers: A, D