OMG um0-411 practice test

OMG OCRES - Advanced Exam


Question 1

Which statement is true about the Extensible Transport Framework?

  • A. The Profile::copy() operation may return a shallow copy of a given Profile object.
  • B. Zero-copy is a mandatory Connection Interface operation and must be supported.
  • C. A connection must provide reliable delivery of (in principle) arbitrary length messages.
  • D. When data is available, the message layer must read the data in its entirety from the connection.
Answer:

C

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Question 2

In the Deployment and Configuration specification, the target environment is described as a set of
______.

  • A. Domains and Connections
  • B. Processors, Hosts, and Networks
  • C. Nodes, Interconnects, and Bridges
  • D. CPUs, Containers, and Connectors
Answer:

C

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Question 3

Which operation is called by the Executor actor?

  • A. initLaunch
  • B. startLaunch
  • C. openLaunch
  • D. beginLaunch
Answer:

B

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Question 4

In the Deployment and Configuration specification, how is compatibility between monolithic
component implementations and nodes determined?

  • A. by comparing the file name against the node's list of supported file extensions
  • B. by checking the implementation's operating system name and version attributes
  • C. by matching the implementation's requirements against the node's available resources
  • D. by using ".dll" files on Windows nodes and using ".so" files on Unix nodes; ".jar" files will work on either
Answer:

C

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Question 5

The Lightweight CCM profile removes support for which feature?

  • A. home finder
  • B. home inheritance
  • C. component factory
  • D. service components
Answer:

A

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Question 6

The Lightweight CCM Profile retains which two capabilities of the CORBA Component Model?
(Choose two.)

  • A. event source and sink ports
  • B. components with transient state
  • C. navigation between component ports
  • D. Component Implementation Definition Language
Answer:

A, B

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Question 7

In the lightweight profile of the CORBA Component Model, session components are considered to
have ______ and ______. (Choose two.)

  • A. identity
  • B. a primary key
  • C. transient state
  • D. transactionality
Answer:

A, C

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Question 8

In the CORBA Component Model, what is the purpose of the component's "equivalent interface"?

  • A. to manage the component's life cycle
  • B. to replace the component's implementation
  • C. to manifest the component's surface features to clients
  • D. to implement a placeholder while the component is passive
Answer:

C

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Question 9

What is the runtime environment for a CORBA Component implementation called?

  • A. Server
  • B. Container
  • C. NodeManager
  • D. Portable Object Adapter
Answer:

B

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Question 10

In the CORBA Component Model, how are component types specified?

  • A. as a set of ports
  • B. as a collection of interfaces
  • C. using the Interface Definition Language
  • D. using an XML document conforming to the Component schema
Answer:

C

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