Based on my knowledge I did this article.I collected some answers from many resources. If any correction,please comment it.I will modify it. Share your answers for these questions in different way. I will add those answers with your name in my blog. Help for WebSphere Beginners.
NOTE:
Just watch about WebSphere Application Server videos on one channel(More than 60 videos), Click below link
1.What is Profile and explain about different profiles in
WebSphere Application Server?
Profile is a set configuration files which
give runtime environment for WebSphere Application Server. Profile can contain
all the files that are server processes and that can change.
Types of profiles:
Cell profile
Management Profile
-Administrative Agent
-Deployment Manager
-Job Manager
Application Server Profile
Custom Profile
Secure proxy (Configuration only)
Secure proxy (Configuration only)
Liberty Profile (We installed separately)
2.Explain the process of federation?
Federation is a
process to add node to manager. We can federate node to dmgr by using addnode
command. It will create nodeagent in the node's machine.
3.What is packs? Different types of packs?
Packs
provides important changes and enhancement that effect environment.
Check below links for
better understanding packs and fixes.
4.How can u apply packs?
we can apply packs
by using update installer or IM
(Installation Manager)
5.What is product packages and Types of product packages?
Product packages
are used to achieve different levels of application servers capabilities.
Product package are
WebSphere Application Server
Express
WebSphere Application Server Base
WebSphere Application Server Network
Deployment
WebSphere Application Server for z/OS
WebSphere
Application Server for Developers
WebSphere Application Server Hypervisor
Edition
WebSphere
Application Server Liberty Core
WebSphere
Application Server Community Edition
6.what is logs?
Logs are files which
written messages.... WebSphere Application Server has different types of log
files like JVM log files, Process log files..etc....
7.Differences between SystemOut.log and SystemErr.log?
SystemErr.log file contains Java exceptions and stack traces.
SystemOut.log file contains messages generated when the application running inside the application server are being started or stopped.
8.Explain about activity.log and nativity.log?(answers from redbooks)
SystemErr.log file contains Java exceptions and stack traces.
SystemOut.log file contains messages generated when the application running inside the application server are being started or stopped.
8.Explain about activity.log and nativity.log?(answers from redbooks)
Native code running in a WebSphere Application Server process can write data to the process logs(also called native logs). Native code is non-Java code, typically found in files with .dll, .exe,and .so extensions. The process logs are named native_stdout.log and native_stderr.log. They are located in the
/profiles//logs/directory
The service log is more commonly known as the activity.log and is found in the
9.Explain about "FFDC"?
The FFDC feature runs in
the background and collects events and errors that occur during WebSphere
Application Server runtime. The information that it collects are written to log
files in the
10.Explain about SOAP.Client.Props and SAS.Client.Props?
SOAP.Client.Props
file to set properties for SOAP Connector.
com.ibm.SOAP.loginUserid,Com.ibm.SOAP.loginPassword...etc are some
properties....
SAS.Client.Props file to set
properties for RMI Connector.
com.ibm.CORBA.loginUserid,Com.ibm.CORBA.loginPassword...etc are
some properties....
11.What is load balancing?
Load
balancing is a method to spread the load(like
requests) across multiple, available resources(servers) in network.
12.Explain managed node and unmanaged node?
Generally Managed node has nodeagent that
allows to administration. Unmanaged node doesn't have nodeagent.
13.How to create unmanaged node for web server in admin console?
Check my article on this.
14.What is environment variables?
WebSphere Application Server environment variables can be used in the external service wizard to specify directory values
Check the link for more details
http://publib.boulder.ibm.com/infocenter/dmndhelp/v6r2mx/index.jsp?topic=/com.ibm.wsadapters.620.jca.ff.doc/doc/tbp_ffa_definenvironvars.html
15.what is virtual hosts?
WebSphere Application Server environment variables can be used in the external service wizard to specify directory values
Check the link for more details
http://publib.boulder.ibm.com/infocenter/dmndhelp/v6r2mx/index.jsp?topic=/com.ibm.wsadapters.620.jca.ff.doc/doc/tbp_ffa_definenvironvars.html
15.what is virtual hosts?
Virtual host
means single machine acts as multiple hosts.
More about it
16.What is Installation Manager (IM)?
It is a tool for installing and maintaining many ibm products.... Check this link for details about IM.
17.What is Heap? Explain about "Heap Dump"?
Generally JVM gets memory from Operating System when java application started.This memory is used by JVM. It is called "Heap" memory in java.
Generally JVM gets memory from Operating System when java application started.This memory is used by JVM. It is called "Heap" memory in java.
Heap dump is nothing but a snap shot of JVM's Heap memory. It contains all active java objects and their activities which object doing what and how much memory it is occupying.
Just watch about WebSphere Application Server videos on one channel(More than 60 videos), Click below link
Thank u comments & feedback r most welcome.
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