Tag: architecture

Questions Related to architecture

Suppose you were programmatically creating a component to control the FileWatch service on a local EasyNomad machine. Which options are correct?
technology architecture

  1. private ServiceController FMServiceController = new ServiceController ('EasyNomad') ;

  2. private ServiceController FMServiceController = new ServiceController ('EasyNomad', 'FileWatch') ;

  3. private ServiceController FMServiceController = new ServiceController ('FileWatch', 'EasyNomad') ;

  4. private ServiceController FMServiceController = new ServiceController(“FileWatch”) ;

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Correct Option: C,D

What are the ways of creating a ServiceController component instance?
technology architecture

  1. Adding the ServiceController component from the Services Control Manager

  2. Adding the ServiceController component from the Toolbox

  3. Adding the ServiceController component to the Designer from Server Explorer

  4. Using manually entered code

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Correct Option: B,C,D

Which of these steps are required to debug an entire Windows service?
technology architecture

  1. Attaching the debugger to the service process

  2. Creating a dummy service to call the service

  3. Starting a dummy service

  4. Starting both services

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Correct Option: A,B,C

What properties would you set to True for a service that can restart after being paused and which writes information to the Application log?

technology architecture

  1. CanShutDown

  2. CanPauseAndContinue

  3. AutoLog

  4. CanStop

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Correct Option: B,C

Provides a simple decision making class which returns one of several possible subclasses of an abstract base class depending on data it is provided
technology architecture

  1. Factory Pattern

  2. Abstract Factory Pattern

  3. Builder Pattern

  4. Prototype Pattern

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Correct Option: A

A class that surrounds a given class, adds new capabilities to it, and passes all the unchanged methods to the underlying class
technology architecture

  1. Flyweight Pattern

  2. Façade Pattern

  3. Composite Pattern

  4. Decorator Pattern

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Correct Option: D

This pattern allows decoupling between classes, by passing a request between classes until it is recognized
technology architecture

  1. Adapter Pattern

  2. Observer Pattern

  3. Chain of Responsibility Pattern

  4. Strategy Pattern

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Correct Option: C

Define a one-to-many dependency between objects so that when one object changes state, all its dependents are notified and updated automatically
technology architecture

  1. Visitor Pattern

  2. Notifier Pattern

  3. Observer Pattern

  4. Template Pattern

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Correct Option: C

What is a Singleton Pattern

technology architecture

  1. The pattern that creates many instances of a single class in one shot

  2. This pattern is to have only a single constructor to a class

  3. Provides a class of which there can be no more than an instance, and provides a single global point of access to that instance

  4. Creates and maintains a pool of objects, using which a single object can used and returned to the pool

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Correct Option: C

This pattern, which groups a complex object hierarchy and provides a new, simpler interface to access those data.
technology architecture

  1. Façade Pattern

  2. Adapter Pattern

  3. Bridge Pattern

  4. Proxy Pattern

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Correct Option: A