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- Question
You have a class A network address 10.0.0.0 with 40 subnets, but are required to add 60 new subnets very soon. You would like to still allow for the largest possible number of host IDs per subnet. Which subnet mask should you assign?
Options- A. 255.240.0.0
- B. 255.248.0.0
- C. 255.252.0.0
- D. 255.254.0.0
- E. 255.255.255.255
- Correct Answer
- 255.254.0.0
- 1. 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
- 2. 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
- 3. What command is used to remove jobs from the print queue?
Options- A. lpq
- B. lpr
- C. lprm
- D. lpc
- E. None of the above Discuss
- 4. Which of the following is a universal gate?
Options- A. AND
- B. OR
- C. EX-OR
- D. NAND
- E. None of the above Discuss
- 5. What command is used to copy directory structures in and out?
Options- A. copy
- B. cp - p
- C. cpio
- D. cp
- E. None of the above Discuss
- 6. The EIA-232 interface has _____ pins.
Options- A. 20
- B. 24
- C. 25
- D. 30 Discuss
- 7. The net charge of a neutral copper atom is
Options- A. 0
- B. +1
- C. -1
- D. +4
- E. None of the above Discuss
- 8. What is the port number for NNTP?
Options- A. 119
- B. 80
- C. 79
- D. 70 Discuss
- 9. Which command is used to extract specific columns from the file?
Options- A. cat
- B. cut
- C. grep
- D. paste
- E. None of the above Discuss
- 10. A route is a path between two network segments
Options- A. True
- B. False Discuss
More questions
Correct Answer: tail
Correct Answer: mv
Correct Answer: lprm
Correct Answer: NAND
Correct Answer: cpio
Correct Answer: 25
Correct Answer: +1
Correct Answer: 119
Correct Answer: cut
Correct Answer: True
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