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- Question
Which of the following statement is correct?
Options- A. Satellite transponders contain a receiver and transmitter designed to relay microwave transmissions from one point on earth to another.
- B. Satellite transponders contain a device that echos the radiation without change from one point on earth to another.
- C. Satellite transponder contains devices that transform the message sent from one location on earth to a different code for transmission to another location.
- D. Satellite transponders use lower frequency reception of radiation from earth stations and higher frequency for transmission to earth stations
- E. None of the above
- Correct Answer
- Satellite transponders contain a receiver and transmitter designed to relay microwave transmissions from one point on earth to another.
- 1. A form defines
Options- A. where data is placed on the screen
- B. the width of each field
- C. both (a) and (b)
- D. All of the above
- E. None of the above Discuss
- 2. You are working with a network that has the network ID 192.168.10.0. What subnet should you use that supports up to 12 hosts and a maximum number of subnets?
Options- A. 255.255.255.192
- B. 255.255.255.224
- C. 255.255.255. 240
- D. 255.255.255.248
- E. 255.255.255.252 Discuss
- 3. When using the loopback address, if TCP/IP is installed correctly, when should you receive a response?
Options- A. Immediately
- B. Only if the address fails
- C. After the next host comes online
- D. Within two minutes
- E. None of the above Discuss
- 4. Which of following is/are the advantage(s) of modular programming?
Options- A. The program is much easier to change
- B. Modules can be reused in other programs
- C. Easy debugging
- D. Easy to compile
- E. None of the above Discuss
- 5. The command which transcribes the standard input to the standard output and also makes a copy of the same in a file is
Options- A. tee
- B. tr
- C. sort
- D. grep
- E. None of the above Discuss
- 6. Firms have been engaged in marketing research for
Options- A. only the past ten years
- B. twenty-five years
- C. fifty years
- D. over fifty years
- E. None of the above Discuss
- 7. The seventh field of /etc/password is
Options- A. password
- B. login
- C. shell
- D. home
- E. None of the above Discuss
- 8. You must service the laser printer in your office. Which part of the printer shoud you avoid touching because it is hot?
Options- A. fuser
- B. printer head
- C. primary corona
- D. high-voltage power supply
- E. None of the above Discuss
- 9. Which of the following is not a characteristic of good test data
Options- A. users do not participate at this preliminary stage
- B. should be comprehensive
- C. every statement should be executed
- D. All of the above
- E. None of the above Discuss
- 10. Which of the following is an important characteristic of LAN?
Options- A. application independent interfaces
- B. unlimited expansion
- C. low cost access for low bandwidth channels
- D. parallel transmission
- E. None of the above Discuss
More questions
Correct Answer: both (a) and (b)
Correct Answer: 255.255.255. 240
Correct Answer: Immediately
Correct Answer: The program is much easier to change
Correct Answer: tee
Explanation:
The tee command reads standard input, then writes its content to standard output and simultaneously copies it into the specified file(s) or variables.
Correct Answer: over fifty years
Correct Answer: shell
Correct Answer: fuser
Correct Answer: users do not participate at this preliminary stage
Correct Answer: application independent interfaces
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