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?

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

What is a key characteristic of CORBA objects?

They can run on any platform (D) Signup and view all the answers

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

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

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

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

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

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

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

To include all the functionality of the communication module (D) Signup and view all the answers

What is the advantage of using CORBA?

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

What is an IDL interface in CORBA?

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

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

ORB (Object Request Broker) (C) Signup and view all the answers

What does CORBA enable?

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

What is CORBA?

A standard for creating and using distributed objects (A) Signup and view all the answers

What is a characteristic of a CORBA object?

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

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

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

What is an advantage of using CORBA?

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