Q.1
OSGi—which was formerly known as the:-
  • a) Open Services Gateway initiative
  • b) Open Source Gateway initiative
  • c) Open Services Gateway initialisation
  • d) None of the mentioned
Q.2
OSGi provides a layer on top of the JVM’s default class loader.
  • a) True
  • b) False
Q.3
On top of Spring Dynamic Modules, SpringSource built SpringSource dm Server, which is a server wired from top to bottom with OSGi and Spring.
  • a) True
  • b) False
Q.4
OSGi is a framework.
  • a) True
  • b) False
Q.5
User component models are:-
  • a) OSGi
  • b) Spring
  • c) All of the mentioned
  • d) None of the mentioned
Q.6
In OSGi, anything used by something else is a state.
  • a) True
  • b) False
Q.7
“Service” doesn’t imply any:-
  • a) RPC
  • b) inheritance
  • c) transactional qualities
  • d) all of the mentioned
Q.8
OSGi bundles are simply standard .jar files with customized MANIFESTs that OSGi consumes at runtime.
  • a) True
  • b) False
Q.9
Tool which dynamically interrogates classes for their imports and generates OSGi–compliant entries.
  • a) pnd
  • b) jndi
  • c) bnd
  • d) none of the mentioned
Q.10
The plug-in produces OSGi–compliant bundles that work in any container.
  • a) True
  • b) False
Q.11
The Bundle-Activator directive describes to the OSGi environment, which class implements :-
  • a) BundleActivator
  • b) BundleActivate
  • c) All of the mentioned
  • d) None of the mentioned
Q.12
When the bundle begins to load and start, it calls the start method of the:-
  • a) BundleActivator
  • b) Activator
  • c) All of the mentioned
  • d) None of the mentioned
Q.13
To start using Spring to smooth over some of the minutiae of resource acquisition and to help build more reliable systems in an OSGi environment.
  • a) Spring DM server
  • b) Spring Dynamic Modules
  • c) All of the mentioned
  • d) None of the mentioned
Q.14
Spring Dynamic Modules scans our deployed bundles and loads an ApplicationContext (actually, the specific type of the ApplicationContext is OsgiBundleXmlApplicationContext) into memory based on an event, or a trigger.
  • a) True
  • b) False
Q.15
You’ll split your OSGi–specific Spring configuration and your plain-vanilla Spring configuration into:-
  • a) modulename-context.xml
  • b) modulename-osgi-context.xml
  • c) all of the mentioned
  • d) none of the mentioned
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