Sunday, 4 March 2012

Weblogic Admin Interview Questions-Part 1

1. What is the default HTTP Port?
2. What is the difference between production mode and development mode?
  1. What is weblogic domain and what are the different servers?
  2. How do you find the version of WL Server?
  3. What is the default Weblogic Admin console port number?
  4. Which of the following statements is NOT True?
a)     Managed Servers in a Domain must run the same version of Weblogic Server
b)     A Domain comprises only the Admin Server, only the Managed Server, or the    
        Administration and Managed Servers
c)     The Admin Server stores the configuration information and logs for a domain
d)     The Admin Server in a domain must run the same or higher version of WLS as the MS in the domain.
7.      Which of the following statements is NOT True?
a)     There can be multiple clusters in a domain
b)     All the servers in a cluster must be at the same version level
c)     All the server in a cluster must also be in the same domain
d)     A cluster can span multiple domains.
8.      The Admin Console is unavailable if the Admin Server is Shut Down.
a)     TRUE                     b)   FALSE
9.      Which of the following statement is true?
a)     There is one Node Manager for each Machine
b)     There is one Node Manager for each Domain
c)     There is one Node Manager for each Cluster
10. Oracle Weblogic Server 10.3 is certified with JDK 1.6?
a)     TRUE                     b)   FALSE
11. Net installer is preferred over the package installer if you want to install select components using only the custom option and have access to the Internet.
a)     TRUE                     b)   FALSE
12. How do you set up class path?
13. How to start Web logic Admin Server?
14. How many ways you can install weblogic?
15. How many domains you can create?
16. What weblogic utils contains?
17. Can we disable admin console?
18. Difference between Weblogic server and Web server?
19. What happens when we give in URL (what is process)?
20. Is Managed server can be restarted independently when admin is down?
21.  What is the difference between JNDI & JDBC?
22.  Difference between versions 8.X, 9.X, 10.X?
23.  What is the Connection Pool? How to create a Connection Pool?
24.  What is Domain? How many domains are possible in a single instance?
25.  What is DataSource? How can it is associated with connection pools ?
26.  Are WebLogic Servers password secure?      
27.  Do you require JDK/JRE for installing a WL Domain?
28.  What is the basic requirement for starting a WebLogic server?
29.  What is the major difference between Managed Server and Admin Server?
30.  When starting the managed server it is coming to admin state. Click on resume button in admin Console, so that is coming to running state. How to resolve this problem for ever so that the server will come directly to running state instead of going to admin state?
31.  In which file/script we need to change the heap size? What is the variable name to search to change the heap size
32.  Where can we set Classpath, which will reflect to whole domain?
33.  What is MSI mode?
34.  How to find the heap memory of Managed Server?
35.  What happen if we deploy our component in weblogic server? What are the States?
36.  What is WLS T3 protocol?
37.  What is Node Manager and why it is required?
38.  How would you check the weblogic instance whether the server is started or not?
39.  Specify some important jar files in the weblogic server
40. How does the WLST communicate with WLS to retrieve and update resources on a running server?