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	Weblogic Application Server FAQs 1.What is application server? 2.What is web server? 3.What is the difference between Web server and Application Server? 4 .What is the Domain in serve? 5.What are the Domain Restrictions? 6.What is the server? 7.What is the Administration server? 8.What is the Managed Server? 9.How Administration server and Managed servers will interact? 10.What is a Machine in Oracle Server? 11.What is a Cluster in Oracle server? 12.What is a Node Manager? 13.How many ways we can install Oracle Server? 14.What is the default database for server? 15.How many ways we can configure a domain? 16.How many ways you can start Administration server? 17.How many ways you can configure managed servers? 18.How many ways you can configure a machines? 19.How many ways you can start managed servers? 20.How do I provide user credentials for starting a server? 21.Can I start a Managed Server if the Administration Server is unavailable? 22.What is the function of T3 in Server? 23.What is the easiest way to set the classpath? 24.How do I edit the config.xml file? 25.Is there a quick way to create and start a remote Managed Server? 26.The Tree View pane of the Console is not visible in my browser. How do I enable it? 27.What is the importance of the Boot Identity file and how will you create it? 28.What is the MSI mode in ? How can you enable and disable this option? 29.If the Administration server not available while starting the Managed server which is already enabled MSI, what are the files it will look for? 30.What if Administration server goes down? What is the behavior of the managed servers? What are all the things will available or not available? 31.If an administration server running machine got crashed, how will you restart the server with same configuration on new machine? 32.How can you run Multiple server instances in a same physical machine? 33.How will you create Domain Template? Explain briefly? 34.What are the default provided Groups for security realm? 35.What are the default provided Roles for security realm? 36.What is the default provided domain template file name and location? 37.What are the elements of the Administration console? 38.What are the Node elements of the Administration console or Domain Structure? 39.What are the Tool Bar elements in ? 40.How will you enable the Administration Console? 41.How will you Enable and disable the domain configuration lock? 42.What are Dynamic and Non-Dynamic Changes in the Weblogic Console? what is the difference? 43.What is the information is going to store in the “security” folder of the Domain directory contents? 44.What is the use of SerializedSystemIni.dat file in Weblogic? 45.Explain about Domain Directory Contents? 46.How many ways you can change the configuration changes? 47.What is the user of WLST in Weblogic? 48.How many WLST modules are there? Explain? 49.What is the Node Manager (NM)? Explain briefly? 50.How many versions of Node Managers are available? 51.How Node Manager will work with the Weblogic Server? How will you configure Node Manager in WLS? 52.What is the Node Manager Default Behavior? 53.To start Node Manager at system start up time, what we have to do? 54.How will you configure Node Manager as Windows Service? 55.Explain about Weblogic server Log Message Format? 56.What is the Log Message Formant of Output to Standard Out and Standard Error? 57.How many log Message Severity levels are there in Weblogic? Explain? 58.What is the default log Message Severity levels in Weblogic? 59.What is the Log Message Severity Level sequence from lowest to highest impact? 60.How will you specify the logging implementation in Weblogic? 61.What is the user of Log Filters in Weblogic? 62.What is the user of Network channels in Weblogic? 63.How will you configure a web application in Weblogic? 64.What information will be available in "web.xml" file? 65.What information will be available in "weblogic.xml" file? 66.To configure a "web service" Applications in Weblogic, what are all the files required as a deployment descriptor? 67. What is the Virtual directory Mappings? Which file you are going to provide these virtual directory mappings? 68.What is the deployment descriptor file for ejb applications? What are all the information is going to provide in that file? 69.What is an Enterprise Application? 70.What is the user of Enterprise Applications? 71.What is the user of "weblogic-application.xml" deployment descriptor file? 72.What is the user of Weblogic shared java EE Libraries? 73.Explain about deployment methods in Weblogic? 74.How many ways we can deploy an application to Weblogic servers? 75.Explain about auto deployment in Weblogic? 76.Explain about FastSwap and On-Demand Deployment in Weblogic? 77.While deploying an application to Weblogic, what is the difference between Development and Production Mode? 78.Explain about console deployment method? 79.Explain about command line deployment? 80.What is JNDI? 81.Why the JNDI required in Weblogic? 82.What is the use of Naming Services? 83.Explain about Contexts and Sub-contexts in JNDI? 84.How can I set deployment order for applications? 85.Can I refresh static components of a deployed application without having to redeploy the entire application? 86.When should I use the -nostage option? 87.When should I use the external_stage option? 88.What are the Deployment Tools for Developers? 89.What is the Deployment order of Weblogic Server at Server Startup time? 90.How will you "Kill the JVM" or running Weblogic server in different operating systems? 91. Can I generate deployment descriptor files automatically? 92.Can I set the deployment order for application modules? For standalone modules? 93.What is the difference between the WL_HOME/config/examples/applications folder and the WL_HOME/config/examples/stage folder? 94.How do I turn the auto-deployment feature off? 95.I downloaded the WebLogic Server installation file, but the installation program will not run. What should I do? 96.Do I need to install WebLogic Server as root on Solaris? 97.Can I run the Configuration Wizard outside the installer? 98.How do I edit the config.xml file? 99.What is the free pool? 100.Can I use the PointBase DBMS included with WebLogic Server for development or production? 101.How can I enable Oracle Advanced Security encryption on the JDBC Oracle Thin driver with a WebLogic JDBC Connection Pool? 102.When should I use a TxDataSource instead of a DataSource? 103.Can I enable requests to a JDBC connection pool for a database connection to wait until a connection is available? 104.What happens when my database is restarted or becomes unreachable? Does my connection pool stick around? 105.When should I use MultiPools? 106.What is JDBC? 107.What is the use of Data Source in Weblogic? 108.What is the scope of the Data Source in Weblogic server? 109.List default Weblogic provided JDBC Drivers? 110.What is a Data Source? 111.What is a Connection Pool? 112.What are the benefits of having Data Sources and Connection Pools in Weblogic? 113.How Data Sources are used in Weblogic? 114.What is Multi Data Sources? 115.What is the functionality of "Message-Oriented Middleware"? 116.Explain about Point-to-Point (Queue)? 117.Explain about Publish-Subscribe (Topics)? 118.Explain about Oracle WebLogic Server JMS Features? 119.How will you implement "Messaging Service" in Weblogic? 120.What is the user of "Connection Factories" in JMS? 121.What is the use of "Destination" in JMS? How many types of "Destinations" are available in JMS? 122.Explain about "Queue Destinations"? 123.Explain about "Topic Destinations"? 124.Explain about Threshold and Quotas in JMS? 125.Difference between "Durable Subscribers and Subscriptions"? 126.What is "Persistent Messaging"? When to Use it? 127.How will you Configuring a Durable Subscription in Weblogic? 128.How a Durable Subscription Works? 129.What Node manager can do in Weblogic server? 130.Does the WebLogic JMS server find out about closed or lost connections, crashes, and other problems and does it recover from them? 131.What Is the Java Message Service? 132.How many Messaging Modules are available in Weblogic? 133.Explain about Point-to-Point Messaging? 134.Explain about Publish/Subscribe Messaging? 135.Explain about Message Persistence? 136.Topics vs. Queues? 137.Asynchronous vs. Synchronous Consumers? 138.What is a Distributed Destination? 139.Why Use a Distributed Destination? 140.How many Types of Distributed Destinations are available? 141.What is JNDI? 142.What is a JMS connection factory? 143.What is a JMS connection-id? 144.What is the difference between a JMS topic and a JMS queue? 145.What is a non-durable topic subscriber? 146.What is a durable subscriber? 147.What is the WebLogic Store-and-Forward Service? 148.When should I use the WebLogic Store-and-Forward Service? 149.What is a messaging bridge? 150.When should I use a messaging bridge? 151.When should I avoid using a messaging bridge? 152.How many types of JMS stores are available? 153.How will you configure a JMS JDBC Store? 154.What Is a Transaction? 155.How many Types of Transactions are there? Explain? 156.Explain about Two-Phase Commit Protocol? 157.Explain about Extended Architecture Protocol (XA)? 158.What is the user of “Transaction Log”? 159.Explain about Logging Last Resource? 160.What Is LDAP? 161.Explain Security Realms? 162.What Is SSL? 163.What Is a Deployment Plan? 164.What are the Advantages of Production Redeployment? 165.How will you access SSL enabled applications? 165.What are the Oracle WebLogic Server SSL Requirements? 166.What is the user of keytool Utility in WLS? 167.How WLS Protecting Against Attacks? What kinds of Attacks are there? 168.Explain about Man-in-the-Middle Attacks? 169.Explain about Denial of Service Attacks (DOS)? 170.Explain about Filtering Network Connections? 171.Explain about Large Buffer Attacks? 172.Explain about Connection Starvation? 173.Explain about User Lockout? 174.How will you Protecting the Administration Console? 175.What are the advantages of Deployment Plan? 176.What is the user of weblogic.PlanGenerator? 177.How will you generate a Deployment Plan Using the Administration Console? 178.How many types of Staged Deployment are available in WLS? 179.Explain about Production Redeployment? 180.Explain about Application Availability, after deploying/install to WLS? 181.Explain about WebLogic Production Redeployment? 182.What are the Requirements and Restrictions for Production Redeployment in WLS? 183.Redeploying Versus Distributing an applications in WLS? 184.How will you Distributing a New Application Version in WLS? 185.How will you Create MANIFEST.mf file for Production Redeployment? 186.What is a cluster Definition? 187.What Is a Cluster? 188.What are the Benefits of Clustering? 189.What are the Key Capabilities of clustering? 190.Explain about Cluster Architecture? 191.How the Server will communicate in a Cluster? 192.Explain about Cluster Communication in WLS? 193.How the Weblogic Server detect a server Failure? 194.Explain about One-to-Many Communications in WLS? 195.Explain about Peer-to-Peer Communications in WLS? 196.Explain about Multitier Communications in WLS? 197.How many cluster Configuration Options are available in WLS? 198.Explain about Two-Phase Deployment? 199.How will you Deploy Applications to a Cluster? 200.Explain about HTTP Session Failover? 201.Explain about HTTP Session State Replication in WLS? 202.Explain about Replication Groups in WLS? 203.What is the user of Replication Groups in WLS? 204.Explain about In-Memory Replication in WLS? 205.What are all the Requirements for In-Memory Replication in WLS? 206.How will you Configuring In-Memory Replication in WLS? 207.Explain about JDBC Replication in WLS? 208.How will you Configuring JDBC Replication in WLS? 209.JDBC Persistent Table Configuration 210.Explain about File Replication? 210.How will you Configuring File Replication in WLS? 211.Explain about Cross-Cluster Replication in WLS? 212.When can’t I use WebLogic Store-and-Forward? 213.Explain about Embedded LDAP Server? 214.How will you create a Deployment Plan? 215.Explain the relationship between Transaction and Resource Managers? 216.What is a topic subscription? 217.Explain about Trust and Identity in SSL? 218.How will you access SSL enabled applications?