Are you looking for Oracle WebLogic interview questions? Why Oracle WebLogic technology emerging as the most popular tool? To know the answer to all these questions, you have to check HKR’s frequently designed Oracle WebLogic Interview question and Answers article. From this blog, you not only learn interview questions but also important concepts of Oracle WebLogic. Oracle WebLogic is an application-based server and developed by ORACLE Company. Oracle WebLogic is written using J2EE applications and used to distribute enterprise applications. This Oracle WebLogic interview questions blog helps to crack any complex interview. Your wait is over; let’s begin our journey to explore the blog;
Ans: Oracle WebLogic Server is an application server and written using Java EE programming language. This WebLogic is developed by the company Oracle Inc. This platform is used to distribute and deploy multi-tier distributed applications. Oracle WebLogic offers robust, scalable, and mature implementation of Java Enterprise editions (Java EE).
Ans: The following are the various advantages of Oracle WebLogic;
Ans: Following are the basic components of a WebLogic server such as;
Ans: Java development kit (JDK) is developed by Sun enterprises and used for deployment; Whereas JRockit is used for WebLogic production 11G and 12c versions. The operating system also plays a vital role in selecting the certified JDK JVM.
Ans: WebLogic is an application server because of this server host both web based applications and Enterprise applications such as EJB. Here WebLogic hosts the enterprise application in the form of.EAR files can be performed through many application servers like JBoss, WebLogic, or WebSphere. Tomcat is not a widely used application server to host any application servers.
Ans: There are three types of installation modes available for the WebLogic application server. Let me explain them one by one;
Console Mode-> this installation mode is used on the base of interaction between text messages.
Graphical mode -> this installation mode is used on the base of Interactive graphical user interface usage.
Silent mode -> this installation mode is used on the base of the property file available with it; this type of mode doesn’t require any interaction as much.
Ans:The below table explains the differences between UNDO and REDO in Oracle WebLogic server:
Ans: There are three ways to start the WebLogic server:
Ans: There are various ways available to start or stop the WebLogic server;
Ans: Users can use the script files from the WebLogic server to set CLASSPATH requirements. These files are used on the base operating system types we are using.
a. WL_HOME /server/bin/setWLSEnv.cmd for windows
b. WL_HOME/server/bin/setWLSEnv.sh for Linux.
Ans: Below are the processes used to change the default Java Virtual machine to another one;
Ans: Below are the various reasons responsible for a server crash, this is not limited but it depends on the scenarios;
1. Mismatch occurs in the JDBC driver
2. Unsupported device configuration
3. Using any SSL native library
4. Using an error causing Java virtual machine
5. Using any native input or output related issues.
Ans: Clustering is a process of grouping a set of multiple servers to provide higher scalability and availability. The communication in the Cluster can be established through Multicast Internet protocols by sending messages is known as Heartbeat messages.
Ans: There are three main advantages of using clustering;
Ans: The following are the main capabilities associate with the WebLogic server;
In this blog, I have tried my best to explain the important Oracle WebLogic interview questions and Answers. Oracle WebLogic is one of the popular application servers and helps to distribute multi-tier distributed applications. Because of its huge demand, most of the companies are showing keen interest to hire Oracle WebLogic experts. For more details log into www.hkrtranining.com.