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- Question
In which tcp_wrappers file can you specify to allow all connections from all hosts?
Options- A. /etc/hosts.allow
- B. /etc/hosts.deny
- C. /etc/hosts
- D. /etc/tcp.conf
- E. None of the above
- Correct Answer
- /etc/hosts.allow
- 1. A certain Professor at the Stanford University coined the word 'artificial intelligence' in 1956 at a conference held at Dartmouth college. Can you name the Professor?
Options- A. David Levy
- B. John McCarthy
- C. Joseph Weizenbaum
- D. Hans Berliner
- E. None of the above Discuss
- 2. What file contains commands that configure systems devices?
Options- A. Command.com
- B. Config.sys
- C. Autoexec.bat
- D. Win.ini
- E. None of the above Discuss
- 3. FDDI is a
Options- A. ring network
- B. star network
- C. mesh network
- D. bus based network
- E. None of the above Discuss
- 4. If the ASCII character H is sent and the character I is received, what type of error is this?
Options- A. single-bit
- B. multiple-bit
- C. burst
- D. recoverable Discuss
- 5. In building cabling, horizontal wiring from the telecommunications closet (TC) to the wall outlet has a distance limitation of
Options- A. 3 meters
- B. 6 meters
- C. 90 meters
- D. 300 meters
- E. None of the above Discuss
- 6. The strategy of allowing processes that are logically runnable to be temporarily suspended is called
Options- A. preemptive scheduling
- B. non preemptive scheduling
- C. shortest job first
- D. first come first served
- E. None of the above Discuss
- 7. What command is used with vi editor to move back to the beginning of a word?
Options- A. w
- B. e
- C. a
- D. b
- E. None of the above Discuss
- 8. The slowest transmission speeds are those of
Options- A. twisted-pair wire
- B. coaxial cable
- C. fiber-optic cable
- D. microwaves Discuss
- 9. Which of the following is a voiceband channel?
Options- A. Telephone line
- B. Telegraph line
- C. Coaxial cable
- D. Microwave systems
- E. None of the above Discuss
- 10. Identify the odd term amongst the following group:
Options- A. Coaxial cable
- B. Optical fibre
- C. Twisted pair wire
- D. Microwaves
- E. None of the above Discuss
More questions
Correct Answer: John McCarthy
Correct Answer: Config.sys
Correct Answer: ring network
Correct Answer: single-bit
Correct Answer: 90 meters
Correct Answer: preemptive scheduling
Correct Answer: b
Correct Answer: twisted-pair wire
Correct Answer: Telephone line
Correct Answer: Microwaves
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