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Oracle WebLogic Server 12c: Administration I

Question No: 21

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

What does this script do?

  1. Starts a machine

  2. Starts Node Manager

  3. Starts a Managed server

  4. Calls the startwebLogic.sh script in the domain’s bin directory

  5. Calls the startManagedWebLogic.sh script in the domains bin directory

Answer: D

Reference: http://docs.oracle.com/cd/E13222_01/wls/docs70/adminguide/startstop.html

Question No: 22

You need to monitor the HTTP session count for a running web application. Identify three ways to perform this monitoring.

  1. Run the jstat tool in your JDK.

  2. Write and run a custom WLST script.

  3. Use the application’s Monitoring tab in the Administration console .

  4. Use the Monitoring Dashboard in the Administration console.

  5. Use the cloud control page in the Administration console.

Answer: B,C,D

Question No: 23

A web application is configured for in-memory replication and is deployed to a cluster. This cluster is distributed across two buildings on a university campus. For performance reasons, you requires that session replication occur within the building whenever possible.

How do you implement this requirement?

  1. Disable the dynamic server list in the proxy plug -in.

  2. Configure the cluster to use multicast communication.

  3. Configure the application’s cookies parameters.

  4. Configure each server’s replication group.

Answer: D

Question No: 24

You use a web browser to log in to a application that is deployed to WebLogic server. When you click a link named “publish” on the site, an Access Denied” message appears.

Which two statements are true about this server’s security configuration?

  1. The application is not associated with any security roles.

  2. A security realms is not configured in this domain.

  3. Your user account has expired.

  4. Your user account exists in an authentication provider.

  5. A security policy is attached to the “publish” link URL.

Answer: D,E

Question No: 25

You are using the configuration Wizard to create a new domain that will consist of a cluster of three managed servers along with an instance of WebLogic server acting as an HTTP proxy to distribute traffic to the cluster.

Which three steps should you perform with the configuration Wizard?

  1. Create one cluster .

  2. Install Oracle HTTP server.

  3. Create one coherence server.

  4. Create four managed servers.

  5. Assign three servers to a cluster.

  6. Specify a proxy port for the administration server.

Answer: A,D,E

Question No: 26

Consider a domain that includes a dynamic cluster of three servers. Your network administrator requires all servers to bind the specific domain name mycompany.com.

Which Administration console action implements this requirement?

  1. Use a $(macro)in the server templates listen address.

  2. Assign each dynamic server a separate machine.

  3. Create multiple server templates for the cluster.

  4. Update the cluster’s listen address prefix.

Answer: A

Question No: 27

You require high availability for HTTP sessions in a web application. In addition, you have the following constraints:

  • There is little free memory on the machines hosting the cluster.

  • HA must be guaranteed even when multiple machines fall simultaneously.

  • You are not allowed to update the production databases schema. Which is the best session persistence option?

    1. Database persistence

    2. File persistence

    3. In-memory replication

    4. Whole -server migration

    Answer: C

    Question No: 28

    Which three statements are true about WebLogic clusters?

    1. Clusters provide clients with transparent failover.

    2. EJB applications can be targeted to entire cluster.

    3. All cluster members must bind to the same port number.

    4. Cluster members replicate application data by using heartbeats.

    5. Cluster members can be associated with one or more domains.

    6. Web applications require a proxy in order to be used in a cluster.

    Answer: A,B,F

    Question No: 29

    You use the Administration console to modify the domain’s security realm. After deleting the default authentication provider, you add a single authentication provider for iplanet LDAP. You then try to reboot your servers with the weblogic user but they all fail to start due to authentication errors.

    Identify two possible causes.

    1. The weblogic user does not exist in iplanet.

    2. The Administrators group does not exist in iplanet.

    3. A domain must include the default authentication provider.

    4. Iplanet is not a supported LDAP implementation.

    5. LDAP providers cannot be included in the default security realm.

    Answer: A,B

    Question No: 30

    You configure a data source with a non XA driver because your (non-Oracle) database does not provide XA drivers.

    The data source will sometimes participate in global transactions with an EJB, so as you configure the data source you select “Supports Global Transactions” and One-phase commit.

    Why is this configuration wrong?

    1. You must choose an XA driver when a data source participates In global transactions.

    2. quot;One#39; Phase Commitquot; always returns quot;readyquot; during phase one of the two-phase commit process’ so it is possible you will have heuristic errors in the database.

    3. quot;One-Phase Commitquot; processes this data source last In the global transactions, if the EJB must go last, you cannot use this configuration.

    4. quot;One-Phase Commitquot; only allows this data source to participate in global transaction, so you cannot have a global transaction that includes an EJB.

    Answer: D

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