Basic CS [3i Infotech Placement]: Sample Questions 114 - 115 of 243

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Question 114

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Write in Short

Short Answer▾

Name 1 limitation of using an array to hold data.

Explanation

  • It can only hold data of the same type.
  • It is not easy to resize dynamically with memory allocated in blocks.

Question 115

Basic CS
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Describe in Detail

Essay▾

What is redirector?

Explanation

Understanding of Redirectors
  • Redirector is software that intercepts file or print I/O requests translating them to network requests.
  • Comes under presentation layer- different presentation of same requests.
  • Allows to locate, open, read, write, and delete files and submit print jobs.
  • Sends requests for file operations from local client applications to a remote server where the requests are processed.
  • It is the software, which virtualizes the remote files and resources to be same as local files and resources allowing them to be used and manipulated in the same way- for example read and written.
  • Makes access to remote resources as transparent as possible for the local client application.
  • The redirector, in case of network problems with try the request several times finally returning an error to the client application.

Basic software components of a network redirector.

  • A kernel-mode file system device driver.
  • A user-mode dynamic link library

Developed by: