Download Oracle WebLogic Server 12c: Advanced Administrator II.1z0-134.ExamLabs.2019-12-13.48q.vcex

Vendor: Oracle
Exam Code: 1z0-134
Exam Name: Oracle WebLogic Server 12c: Advanced Administrator II
Date: Dec 13, 2019
File Size: 1 MB
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Demo Questions

Question 1
I am configuring the security policy for my JMS module. I am specifying some security conditions for the module. 
Which two security conditions are valid in this context? (Choose two.)
  1. The JMS module can be accessed only between 1 pm and 6 pm.
  2. The JMS module should throw a custom security exception on invalid access.
  3. The JMS module can process only 50 messages at a time.
  4. The JMS module can be accessed only by users belonging to the Operators group.
  5. The JMS module can be accessed in a receive-only mode.
Correct answer: AD
Explanation:
There are two security conditions:time-constrained  By Group or User Reference: http://docs.oracle.com/html/E24401_02/taskhelp/jms_modules/modules/ConfigureJMSModuleSecurityPolicies.html
There are two security conditions:
  • time-constrained  
  • By Group or User 
Reference: http://docs.oracle.com/html/E24401_02/taskhelp/jms_modules/modules/ConfigureJMSModuleSecurityPolicies.html
Question 2
Review the digital certificate below. 
  
Based on what the certificate contains, which statement is true? (Choose the best answer.)
  1. It is a self-signed digital certificate with no certification chain.
  2. It is an authentic digital certificate with a valid certification chain.
  3. It is a digital certificate for a private key with a valid certification chain.
  4. It is an authentic root CA certificate with a valid certification chain.
Correct answer: A
Explanation:
Incorrect Answers:C: This is 512-bit Public Key, not a private key.Note: The subject key identifier extension provides a means of identifying    certificates that contain a particular public key.
Incorrect Answers:
C: This is 512-bit Public Key, not a private key.
Note: The subject key identifier extension provides a means of identifying    certificates that contain a particular public key.
Question 3
You are creating and configuring a production WebLogic Server (WLS) domain that is highly available. Which three WebLogic Server features allow you to best accomplish this requirement? (Choose three.)
  1. Multiple standalone managed servers
  2. Load Balancer
  3. Cluster
  4. DNS caching
  5. Whole-server migration
  6. Machine migration
Correct answer: BCE
Explanation:
B Load balancing is the even distribution of jobs and associated communications across the computing and networking resources in your environment. C: In a WebLogic Server cluster, application processing can continue when a server instance fails.E: Migration in WebLogic Server is the process of moving a clustered WebLogic Server instance or a component running on a clustered instance elsewhere if failure occurs. This is called Whole-server migration.  Reference: http://docs.oracle.com/cd/E23943_01/core.1111/e10106/aa.htm#ASHIA4083
B Load balancing is the even distribution of jobs and associated communications across the computing and networking resources in your environment. 
C: In a WebLogic Server cluster, application processing can continue when a server instance fails.
E: Migration in WebLogic Server is the process of moving a clustered WebLogic Server instance or a component running on a clustered instance elsewhere if failure occurs. This is called Whole-server migration.
  
Reference: http://docs.oracle.com/cd/E23943_01/core.1111/e10106/aa.htm#ASHIA4083
Question 4
You are troubleshooting an issue with a WLS data source. However, your attempt to execute a manual test on the connection pool fails when you invoke the testPool() method on the corresponding JDBCDataSourceRuntimeMBean. 
Which configuration condition would contribute to the failure of executing the test? (Choose the best answer.)
  1. The TestTableName property is either not set or is set to an invalid SQL statement.
  2. The TestFrequencySeconds property is set to a value greater than 0.
  3. The TestReservedConnections property is enabled.
  4. The ManualTestEnabled property is set to false.
  5. The ConnectionReserveTimeoutSeconds property is set to a value other than -1.
Correct answer: A
Explanation:
testPool tests the connection pool in the data source by reserving and releasing a connection from it. TestTableName is the name of the database table to use when testing physical database connections. This name is required when you specify a Test Frequency and enable Test Reserved Connections, Test Created Connections, and Test Released Connections. Reference: http://docs.oracle.com/cd/E13222_01/wls/docs100/wlsmbeanref/core/index.html
testPool tests the connection pool in the data source by reserving and releasing a connection from it. 
TestTableName is the name of the database table to use when testing physical database connections. This name is required when you specify a Test Frequency and enable Test Reserved Connections, Test Created Connections, and Test Released Connections. 
Reference: http://docs.oracle.com/cd/E13222_01/wls/docs100/wlsmbeanref/core/index.html
Question 5
Your WebLogic Server (WLS) environment consists of multiple domains. 
Which is a true statement about WLS domains? (Choose the best answer.)
  1. Multiple domains can use the same or separate WLS installation while running on the same machine.
  2. Domains require a minimum of one managed server.
  3. Multiple domains require separate WLS installations while running on the same machine.
  4. Multiple domains require individual Node Managers while running on the same machine.
  5. Multiple domains can share the same administration server.
Correct answer: A
Explanation:
You can use a single Oracle WebLogic Server installation to create and run multiple domains, or you can use multiple installations to run a single domain. Incorrect Answers:B: Domains include a special WebLogic Server instance called the Administration Server, which is the central point from which you configure and manage all resources in the domain. Usually, you configure a domain to include additional WebLogic Server instances called Managed Servers.C: A single WLS installation can have multiple domains.    D: By specifying multiple domains in the nodemanager.domains file, you can configure a single, machine-scoped Node Manager process which manages server instances belonging to multiple WebLogic domains.E: Each domain requires its own Administration Server for performing management activities.Reference: https://docs.oracle.com/cd/E12839_01/web.1111/e13716/understand_domains.htm#DOMCF116
You can use a single Oracle WebLogic Server installation to create and run multiple domains, or you can use multiple installations to run a single domain. 
Incorrect Answers:
B: Domains include a special WebLogic Server instance called the Administration Server, which is the central point from which you configure and manage all resources in the domain. Usually, you configure a domain to include additional WebLogic Server instances called Managed Servers.
C: A single WLS installation can have multiple domains.
  
D: By specifying multiple domains in the nodemanager.domains file, you can configure a single, machine-scoped Node Manager process which manages server instances belonging to multiple WebLogic domains.
E: Each domain requires its own Administration Server for performing management activities.
Reference: https://docs.oracle.com/cd/E12839_01/web.1111/e13716/understand_domains.htm#DOMCF116
Question 6
You are asked to configure Node Manager for your production environment. You are considering whether to use the Java version or the script-based version of Node Manager. 
Which statement correctly describes the difference between the two versions?
  1. If you are installing WebLogic Server on a Windows system, you must use the Java version of Node Manager.
  2. The script-based version of Node Manager can be used in conjunction with inetd on supported UNIX systems.
  3. The script-based version of Node Manager requires a larger footprint than the Java version.
  4. When Node Manager is used for consensus leasing, you may see faster performance with the script-based version.
Correct answer: A
Explanation:
Java-based Node Manager runs within a Java Virtual Machine (JVM) process. It is recommended that you run it as a Windows service on Windows platforms and as an operating system service on UNIX platforms. For UNIX and Linux systems, WebLogic Server provides a script-based version of Node Manager.  Reference: http://docs.oracle.com/cd/E12839_01/web.1111/e13740/overview.htm#NODEM113
Java-based Node Manager runs within a Java Virtual Machine (JVM) process. It is recommended that you run it as a Windows service on Windows platforms and as an operating system service on UNIX platforms. 
For UNIX and Linux systems, WebLogic Server provides a script-based version of Node Manager.  
Reference: http://docs.oracle.com/cd/E12839_01/web.1111/e13740/overview.htm#NODEM113
Question 7
Your organization is using a Multi data source (MDS) on WebLogic Server to support applications connecting to an Oracle RAC database. You have been tasked with configuring a new callback handler for the MDS. 
Which two statements are true concerning related MDS options and behavior? (Choose two.)
  1. Callback handlers are optional when using the Failover MDS Algorithm.
  2. If the Failover Callback Handler attribute is set on the MDS, the Test Frequency attribute is no longer used.
  3. Callback handlers are called for both failover and failback decisions.
  4. You can register only one callback handler for each WebLogic server.
Correct answer: CD
Explanation:
C: A callback handler used to control the failover and failback within a multi data source must include an implementation of the weblogic.jdbc.extensions.ConnectionPoolFailoverCallback interface.D: You can register a callback handler with WebLogic Server that controls when a multi data source with the Failover algorithm fails over connection requests from one JDBC data source in the multi data source to the next data source in the list.Incorrect Answers:B: Frequency of these tests is controlled by the Test Frequency Seconds attribute of the multi source. The default value for Test Frequency is 120 seconds, so if you do not specifically set a value for the option, the multi data source will test disabled data sources every 120 seconds.Reference: http://docs.oracle.com/cd/E23943_01/web.1111/e13737/jdbc_multidatasources.htm#JDBCA223
C: A callback handler used to control the failover and failback within a multi data source must include an implementation of the weblogic.jdbc.extensions.ConnectionPoolFailoverCallback interface.
D: You can register a callback handler with WebLogic Server that controls when a multi data source with the Failover algorithm fails over connection requests from one JDBC data source in the multi data source to the next data source in the list.
Incorrect Answers:
B: Frequency of these tests is controlled by the Test Frequency Seconds attribute of the multi source. The default value for Test Frequency is 120 seconds, so if you do not specifically set a value for the option, the multi data source will test disabled data sources every 120 seconds.
Reference: http://docs.oracle.com/cd/E23943_01/web.1111/e13737/jdbc_multidatasources.htm#JDBCA223
Question 8
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.)
  1. Topic > Monitoring > Durable Subscribers
  2. Connection Factory > Configuration > Client
  3. Topic > Configuration > Thresholds and Quotas
  4. Topic > Configuration > Overrides
  5. Topic > Configuration > Durable Subscribers
  6. JMS Server > Configuration > Durable Subscribers
Correct answer: B
Explanation:
You can find help on Client ID Policy configuration through the following path: OTN Home > Oracle WebLogic Server 12.1.1.0 Documentation > Administration Console Online Help > JMS Connection Factory: Configuration: ClientReference: http://docs.oracle.com/cd/E24329_01/apirefs.1211/e24401/pagehelp/JMSjmsconnectionjmsconnectionfactoryconfigclientparamstitle.html
You can find help on Client ID Policy configuration through the following path: 
OTN Home > Oracle WebLogic Server 12.1.1.0 Documentation > Administration Console Online Help > JMS Connection Factory: Configuration: Client
Reference: http://docs.oracle.com/cd/E24329_01/apirefs.1211/e24401/pagehelp/JMSjmsconnectionjmsconnectionfactoryconfigclientparamstitle.html
Question 9
Which two automatic migration scenarios require node manager for all migratable services? (Choose two.)
  1. Consensus leasing
  2. Database leasing with no pre and post migration scripts
  3. Database leasing with pre and post migration scripts
  4. Synchronous leasing
Correct answer: AC
Explanation:
When using automatic service migration, the Node Manager is required to get health monitoring information about the member servers involved, as follows:Consensus leasing – Node Manager must be running on every machine hosting managed servers within the cluster. Database leasing – Node Manager must be running on every machine hosting managed servers within the cluster only if pre/post-migration scripts are defined. If pre/post-migrations are not defined, then Node manager is not required. Reference: https://docs.oracle.com/cd/E13222_01/wls/docs103/cluster/service_migration.html
When using automatic service migration, the Node Manager is required to get health monitoring information about the member servers involved, as follows:
  • Consensus leasing – Node Manager must be running on every machine hosting managed servers within the cluster. 
  • Database leasing – Node Manager must be running on every machine hosting managed servers within the cluster only if pre/post-migration scripts are defined. If pre/post-migrations are not defined, then Node manager is not required. 
Reference: https://docs.oracle.com/cd/E13222_01/wls/docs103/cluster/service_migration.html
Question 10
Which two statements are true about the role of cluster master in whole server migration? (Choose two.)
  1. There is exactly one cluster master in the cluster at a given point of time.
  2. The cluster master must host all the pinned services in the cluster.
  3. Any managed server in the cluster can serve as the cluster master.
  4. A cluster master must always be different from a singleton master.
  5. The cluster master must always be started with the node manager.
Correct answer: AC
Explanation:
One server instance in a cluster that contains migratable servers acts as the cluster master and orchestrates the process of automatic server migration, in the event of failure.  Any Managed Server in a cluster can serve as the cluster master, whether it hosts pinned services or not. Note: Any server instance in the cluster can serve as the cluster master. When you start a cluster that contains migratable servers, the first server to join the cluster becomes the cluster master and starts up the cluster manager service. If a cluster does not include at least one migratable server, it does not require a cluster master, and the cluster master service does not start up.Reference: https://docs.oracle.com/cd/E12839_01/web.1111/e13709/migration.htm#CLUST285
One server instance in a cluster that contains migratable servers acts as the cluster master and orchestrates the process of automatic server migration, in the event of failure.  
Any Managed Server in a cluster can serve as the cluster master, whether it hosts pinned services or not. 
Note: Any server instance in the cluster can serve as the cluster master. When you start a cluster that contains migratable servers, the first server to join the cluster becomes the cluster master and starts up the cluster manager service. If a cluster does not include at least one migratable server, it does not require a cluster master, and the cluster master service does not start up.
Reference: https://docs.oracle.com/cd/E12839_01/web.1111/e13709/migration.htm#CLUST285
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