Discussion
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- Question
Which of the following commands is used to absolutely assign all permissions to the owner, read and write permissions to the group and only executable permission to the others of the file note?
Options- A. chmod 761 note
- B. chmod 671 note
- C. chmod 167 note
- D. chmod 4=rwx, g=rw note
- E. None of the above
- Correct Answer
- chmod 761 note
- 1. Which option will be used with touch command to change the access time?
Options- A. -a
- B. -b
- C. -t
- D. -h
- E. None of the above Discuss
- 2. Routers are often used to implement FIREWALLS
Options- A. True
- B. False Discuss
- 3. What is the i/o address for com2?
Options- A. 2vb
- B. 2f8
- C. 8f8
- D. 330 Discuss
- 4. "Parity" errors usually indicate bad memory.
Options- A. True
- B. False Discuss
- 5. 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
- 6. 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
- 7. _____ has become the most widely used bipolar family.
Options- A. DTL
- B. TTL
- C. ECL
- D. MOS
- E. None of the above Discuss
- 8. 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
- 9. 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
- 10. 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
More questions
Correct Answer: -a
Correct Answer: True
Correct Answer: 2f8
Correct Answer: True
Correct Answer: 9
Correct Answer: 8
Correct Answer: TTL
Correct Answer: 2
Correct Answer: /s
Correct Answer: tail
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