Practice Pakistan's most useful MCQs for competitive exams

Which of the following is not an example of component technology ?

• (A)  EJB
• (B)  COM+
• (C)  .NET
• (D)  None of the mentioned

Answer

Submitted By :Ali Uppal

Which of the following term is best defined by the statement: “The names of the operations in the ‘provides’ and ‘requires’ interfaces are different.” ?

• (A)  Parameter incompatibility
• (B)  Operation incompleteness
• (C)  Operation incompatibility
• (D)  None of the mentioned

Answer

Submitted By :Ali Uppal

When composing reusable components that have not been written for your application, you may need to write adaptors or ‘glue code’ to reconcile the different _____________________?

• (A)  Component modules
• (B)  Component composition
• (C)  Component model
• (D)  Component interfaces

Answer

Submitted By :Ali Uppal

A _______________ defines a set of standards for components, including interface standards, usage standards, and deployment standards?

• (A)  Component-based software engineering
• (B)  Component composition
• (C)  Component model
• (D)  Component interfaces

Answer

Submitted By :Ali Uppal

_____________________ is a reuse-based approach to defining, implementing, and composing loosely coupled independent components into systems?

• (A)  Component-based software engineering
• (B)  Component composition
• (C)  Component model
• (D)  Component interfaces

Answer

Submitted By :Ali Uppal

A distributed system must defend itself against__________________?

• (A)  Modification
• (B)  Interruption
• (C)  Fabrication
• (D)  All of the mentioned

Answer

Submitted By :Ali Uppal

Which of the following term is best defined by the statement “In a distributed system, several processes may operate at the same time on separate computers on the network.”?

• (A)  Concurrency
• (B)  Openness
• (C)  Resource sharing
• (D)  Fault tolerance

Answer

Submitted By :Ali Uppal

In Java,______________________ are comparable with, though not identical to, RPCs?

• (A)  Remote Method Invocations
• (B)  Operating System
• (C)  Client–server computing
• (D)  None of the mentioned

Answer

Submitted By :Ali Uppal

Which architecture is used when there is a high volume of transactions to be processed by the server ?

• (A)  Multi-tier client–server architecture
• (B)  Master-slave architecture
• (C)  Distributed component architecture
• (D)  Peer-to-peer architecture

Answer

Submitted By :Ali Uppal

What encapsulates state data and services in a manner that is analogous to objects ?

• (A)  State box
• (B)  Clean box
• (C)  White box
• (D)  Black box

Answer

Submitted By :Ali Uppal