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Home Computer Science Networking See What Others Are Saying!
  • Question
  • Intranets and extranets can use their network fire walls and other security features to establish secure Internet links within an enterprise or with its trading partners. Select the best fit for answer:


  • Options
  • A. Network Server
  • B. Virtual Private Network
  • C. Network operating system
  • D. OSI

  • Correct Answer
  • Virtual Private Network 


  • More questions

    • 1. Routers are often used to implement FIREWALLS

    • Options
    • A. True
    • B. False
    • Discuss
    • 2. What is the i/o address for com2?

    • Options
    • A. 2vb
    • B. 2f8
    • C. 8f8
    • D. 330
    • Discuss
    • 3. "Parity" errors usually indicate bad memory.

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. On the 16-bit ISA bus, IRQ2 is elevated to which higher level interrupt?

    • Options
    • A. 9
    • B. 11
    • C. 13
    • D. 15
    • E. None of the above
    • Discuss
    • 5. How many DMA channels are there in an AT class PC?

    • Options
    • A. 3
    • B. 4
    • C. 7
    • D. 8
    • E. None of the above
    • Discuss
    • 6. _____ has become the most widely used bipolar family.

    • Options
    • A. DTL
    • B. TTL
    • C. ECL
    • D. MOS
    • E. None of the above
    • Discuss
    • 7. How many bytes are there in 1011 1001 0110 1110 numbers?

    • Options
    • A. 1
    • B. 2
    • C. 4
    • D. 8
    • E. None of the above
    • Discuss
    • 8. What switch would you use to view Smartdrive statistics?

    • Options
    • A. /x
    • B. /e:
    • C. /s
    • D. /o:n
    • E. None of the above
    • Discuss
    • 9. Which of the following command lists the last 10 lines of a file?

    • Options
    • A. grep
    • B. tail
    • C. head
    • D. cat
    • E. None of the above
    • Discuss
    • 10. Which of the following command can be used to rename a file in UNIX?

    • Options
    • A. ren
    • B. mv
    • C. remove
    • D. change
    • E. None of the above
    • Discuss


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