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  9. Q57

NABARD Grade A (Assistant Manager) 2015 · Question 57 of 70

What is a firewall in computer network?

  1. AThe physical boundary of network
  2. BA web browsing software
  3. CAn operating system of computer networkCorrect
  4. DA system designed to increase the bandwidth
  5. ENone of these

Answer: C. An operating system of computer network

Official answer key verified. Detailed explanation coming soon.

Source: NABARD Grade A officer exam March 2015 solved previous year question paper (educationobserver.com forum attachment; Kiran 'Model Solved Paper', based on memory) · memory-based

← Q56View full paper (70 questions)Q58 →

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