Spring MCQ

Test your knowledge with important Spring MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Spring MCQs at Bissoy

• It is assumed that your localhost is connected to the internet and capable enough to send an email.
  ক

  True

  খ

  False
• If it is required to provide user ID and Password to the email server for authentication purpose then you can set properties:
  ক

  props.setProperty(“mail.user”, “myuser”)

  খ

  props.setProperty(“mail.password”, “mypwd”)

  গ

  all of the mentioned

  ঘ

  none of the mentioned
• To set content whose second argument is “text/html” to specify that the HTML content is included in the message.
  ক

  setContent

  খ

  content

  গ

  setMail

  ঘ

  none of the mentioned
• To send an email using your Java Application:-
  ক

  JavaMail API

  খ

  Java Activation Framework (JAF)

  গ

  All of the mentioned

  ঘ

  None of the mentioned
• If the class implements java.io.Serializable, then it is serializable; otherwise, it’s not.
  ক

  True

  খ

  False
• What will be the value of transient field after deserialization:-
  ক

  0

  খ

  NULL

  গ

  All of the mentioned

  ঘ

  None of the mentioned
• When serializing an object to a file, the standard convention in Java is to give the file a:
  ক

  .war

  খ

  .java

  গ

  .ser

  ঘ

  none of the mentioned
• For a class to be serialized successfully:
  ক

  The class must implement the java.io.Serializable interface.

  খ

  Every field in the class must be volatile.

  গ

  All of the mentioned

  ঘ

  None of the mentioned
• The ObjectInputStream class contains methods for writing various data types.
  ক

  public final Object readObject()

  খ

  public final Object read(Object x)

  গ

  public final Object readFromObject(Object x)

  ঘ

  all of the mentioned
• The ObjectOutputStream class contains methods for writing various data types.
  ক

  public final void writeObject(Object x)

  খ

  public final void write(Object x)

  গ

  public final void writeToObject(Object x)

  ঘ

  all of the mentioned
• Classes which are high-level streams that contain the methods for serializing and deserializing an object.
  ক

  ObjectInputStream

  খ

  ObjectOutputStream

  গ

  All of the mentioned

  ঘ

  None of the mentioned
• Serialization is JVM independent.
  ক

  True

  খ

  False
• After a serialized object has been written into a file, it can be read from the file and deserialized.
  ক

  True

  খ

  False
• Java provides a mechanism, where an object can be represented as a sequence of bytes:-
  ক

  Serialization

  খ

  Compilation

  গ

  All of the mentioned

  ঘ

  None of the mentioned
• These tools—part of the broader SpringSource Tool Suite—are available as :-
  ক

  plug-in

  খ

  stand-alone environment

  গ

  all of the mentioned

  ঘ

  none of the mentioned
• SpringSource has provided solid tooling for Eclipse, called :-
  ক

  Spring Dynamic Module

  খ

  dm Server Tools

  গ

  SpringSource dm Server

  ঘ

  None of the mentioned
• To begin with SpringSource dm Server but need a way to rapidly turnaround development.
  ক

  Spring Dynamic Module

  খ

  Spring Dynamic Server

  গ

  SpringSource dm Server

  ঘ

  None of the mentioned
• SpringSource dm Server provides the robustness needed to commoditize enterprise application development in an OSGi environment.
  ক

  True

  খ

  False
• Application isolation is critical because it allows you to solve the issue of reconciliation of two services whose interfaces collide. You can use:-
  ক

  .WAR

  খ

  .XML

  গ

  .PAR

  ঘ

  All of the mentioned
• SpringSource dm Server works with several types of deployment formats:-
  ক

  bundle

  খ

  Java EE .war

  গ

  platform archive

  ঘ

  all of the mentioned
• SpringSource dm Server also allows you to bend the rules where necessary.
  ক

  True

  খ

  False
• OSGi–enabling all of these interwoven dependencies via the granular use of the Import-Package header would be tedious.
  ক

  True

  খ

  False
• SpringSource dm Server provides value above and beyond a regular OSGi solution.
  ক

  True

  খ

  False
• SpringSource dm Server many advances focus on delivering a solution, and not just a framework, for delivering:-
  ক

  Spring Tooling

  খ

  Spring dm

  গ

  OSGi

  ঘ

  None of the mentioned
• Spring Dynamic Modules was, while powerful for those already invested in an OSGi platform, not the most natural accommodations for those trying to migrate large code into the OSGi environment, SpringSource created.
  ক

  Spring Dynamic Modules

  খ

  Spring dm Server

  গ

  Spring Tooling

  ঘ

  All of the mentioned
• OSGi doesn’t solve framework concerns, instead focusing on infrastructure requirements for Java applications.
  ক

  True

  খ

  False
• Support for deployment of traditional .war artifacts, enable use of some of the standard Java EE libraries, provide useful defaults for many de facto standard libraries, and provide fully integrated support for Spring Dynamic Modules.
  ক

  Spring Dynamic Modules

  খ

  Spring dm Server

  গ

  Spring Tooling

  ঘ

  All of the mentioned
• Attribute, which, is the symbolic name of another bundle.
  ক

  Fragment

  খ

  Fragment-Host

  গ

  All of the mentioned

  ঘ

  None of the mentioned
• There are frequently situations where OSGi will return more than one instance of a service that satisfies the interface.
  ক

  True

  খ

  False
• A more robust solution to service discrimination is service attributes.
  ক

  True

  খ

  False