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- 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
- 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
More questions
Correct Answer: ps
Correct Answer: 528
Correct Answer: refresh rate
Correct Answer: Chemical energy
Correct Answer: /
Correct Answer: One-to-many relationship
Correct Answer: plug-compatible manufacturer
Correct Answer: chmod u=rwx, g=rw, o=x note
Correct Answer: An unused SCSI address
Correct Answer: who | tee user.lst
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