CORBA IDL Basics

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Questions and Answers

In CORBA, what is the primary function of an implementation repository?

  • To manage the distribution of CORBA objects
  • To map object adapter names to file pathnames (correct)
  • To translate IDL into programming languages
  • To provide a interface for CORBA objects

What is the main advantage of using dynamic skeletons in CORBA?

  • It reduces the complexity of IDL interfaces
  • It allows for faster object implementation
  • It improves the security of CORBA objects
  • It enables the server to accept invocations on unknown interfaces (correct)

What is the term for existing code that was not designed with distributed objects in mind?

  • CORBA code
  • IDL code
  • Distributed code
  • Legacy code (correct)

What is the key feature of the interface seen by a CORBA client?

<p>It is completely independent of the object's location and implementation (D)</p> Signup and view all the answers

What is a key characteristic of CORBA objects?

<p>They can run on any platform (D)</p> Signup and view all the answers

What is a key function of the Object Request Broker (ORB)?

<p>To find the object implementation for a request (C)</p> Signup and view all the answers

What is the primary purpose of the module construct in CORBA IDL?

<p>To define a naming scope for interfaces (C)</p> Signup and view all the answers

What is the general form of a method signature in CORBA IDL?

<p>[oneway] (parameter1,..., parameterL) [raises (except1,..., exceptN)] [context (name1,..., nameM)] (A)</p> Signup and view all the answers

What is the role of the ORB core in CORBA architecture?

<p>To include all the functionality of the communication module (D)</p> Signup and view all the answers

What is the advantage of using CORBA?

<p>It enables clients to invoke methods in remote objects, where both clients and servers can be implemented in a variety of programming languages (D)</p> Signup and view all the answers

What is an IDL interface in CORBA?

<p>A description of the methods that are available in CORBA objects that implement that interface (D)</p> Signup and view all the answers

What is the primary component of CORBA that enables clients to invoke methods in remote objects?

<p>ORB (Object Request Broker) (C)</p> Signup and view all the answers

What does CORBA enable?

<p>Software components written in multiple computer languages and running on multiple computers to work together (C)</p> Signup and view all the answers

What is CORBA?

<p>A standard for creating and using distributed objects (A)</p> Signup and view all the answers

What is a characteristic of a CORBA object?

<p>It implements an IDL interface and has a remote object reference (D)</p> Signup and view all the answers

What is a main component of CORBA's language-independent RMI framework?

<p>Interface definition language (IDL), architecture, external data representation (CDR), and a standard form for remote data references (C)</p> Signup and view all the answers

What is an advantage of using CORBA?

<p>It allows applications and their objects to communicate with each other no matter where they are and who designed them (D)</p> Signup and view all the answers

What does CORBA provide independence from?

<p>Platform and programming language (A)</p> Signup and view all the answers

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