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97: What are the types of clusters?
Horizontal scaling, vertical scaling and a combination of both of them
102: An administrator wants to install WebSphere Application Server v7 on a remote host, what is the best way to do this?
Using Centralized Installation Manager (CIM) to add your installation target as following: Go to System Administrator then Centralized Installation Manager then Installation Targets and then Add Installation Target.
116: What is the relevant command to backup WebSphere Application Server configuration and runtime settings?
manageprofiles –backupProfiles –profile_name –backupFile backup_file_ name
124: What are the functions provided by the caching proxy server?
a) Dynamic content caching which reduces load of application’s contents,
b) Reverse proxy configuration which makes the proxy server intercept user requests arriving from internet, forward them to the host and caching the returned data and
c) Content based routing function which routes requests based on rules that you write. The most common type is the content rule, which directs requests based on the path name in the URL.
160: If you have OOM error and the .phd file is generated, what is the suitable tool to analyze this file?
Memory Dump Diagnostic for Java (MDD4J)
179: Consider a scenario that an administrator needs to use Performance Monitoring Infrastructure (PMI) tool and he already enabled PMI on the application server. What is the next step to collect performance data for this application server?
An administrator has to start application server’s monitoring using administrative console as following: under “Monitoring and Tuning” section on left hand side, select Current activity then select your server then “Start monitoring” for it.
180: What will happen when the JVM heap is too small?
Applications require a minimum amount of memory to reach a stable state and this stable state occurs when the heap is no longer consistently growing. If the JVM is configured with a maximum heap that is too small, it will never allow the JVM to reach a stable state, then allocation failures will occur and the JVM will throw OutOfMemoryError.