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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. What command is used to display the characteristics of a process?

    • Options
    • A. au
    • B. ps
    • C. du
    • D. pid
    • E. None of the above
    • Discuss
    • 2. Conversion of decimal number 4210 to it's octal number equivalent is

    • Options
    • A. 578
    • B. 428
    • C. 478
    • D. 528
    • E. None of the above
    • Discuss
    • 3. The rate at which scanning is repeated is called the:

    • Options
    • A. stroke rate
    • B. refresh rate
    • C. bandwidth
    • D. resolution
    • E. None of the above
    • Discuss
    • 4. What form of energy is used to maintain an imbalance of charges between the terminals of a battery?

    • Options
    • A. Electronical energy
    • B. Mechanical energy
    • C. Chemical energy
    • D. Solar energy
    • E. None of the above
    • Discuss
    • 5. Which command is used with vi editor to search a pattern in the forward direction?

    • Options
    • A. /
    • B. ?
    • C. //
    • D. ??
    • E. None of the above
    • Discuss
    • 6. A _____ means that one record in a particular record type may be related to more than one record of another record type.

    • Options
    • A. One-to-one relationship
    • B. One-to-many relationship
    • C. Many-to-one relationship
    • D. Many-to many relationship
    • E. None of the above
    • Discuss
    • 7. PCM stands for _____

    • Options
    • A. plug-compatible manufacturer
    • B. personal computer media
    • C. PC-manufacturer
    • D. PC-modem
    • E. None of the above
    • Discuss
    • 8. The command chmod 761 note is equivalent to

    • Options
    • A. chmod 167 note
    • B. chmod u=rwx, g=rw, o=x note
    • C. chmo a =761 note
    • D. chmod 4=7, g=6,0 =1 note
    • E. None of the above
    • Discuss
    • 9. When installing a SCSI CD-ROM drive, you must set the CD-ROM SCSI adapter to:

    • Options
    • A. B0007
    • B. An unused SCSI address
    • C. The same address as the SCSI device before the CD-ROM
    • D. SCSI ID=1
    • E. None of the above
    • Discuss
    • 10. Which of the following commands is used to save the output of the who command in a file named user.lst, as well as display it?

    • Options
    • A. who | tee user.lst
    • B. who > user.lst
    • C. who >> user.lst
    • D. who < user.lste
    • E. None of the above
    • Discuss


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