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- Question
Which of the following is considered a broadband communications channel?
Options- A. coaxial cable
- B. fiber optic cable
- C. microwave circuits
- D. satellites systems
- E. All of the above
- Correct Answer
- All of the above
- 1. Communication between computers is almost always
Options- A. serial
- B. parallel
- C. series parallel
- D. direct
- E. None of the above Discuss
- 2. The term "remote job entry" relates to
Options- A. batch processing
- B. realtime processing
- C. transaction processing
- D. distributed processing
- E. None of the above Discuss
- 3. Which of the following specifies the network address and host address of the computer?
Options- A. The IP address
- B. The TCP address
- C. The subnet mask
- D. The default gateway
- E. None of the above Discuss
- 4. A hard copy would be prepared on a
Options- A. typewriter terminal
- B. line printer
- C. plotter
- D. All of the above
- E. None of the above Discuss
- 5. What protocol is used between E-Mail servers?
Options- A. FTP
- B. SMTP
- C. SNMP
- D. POP3 Discuss
- 6. What is the port number for POP3?
Options- A. 110
- B. 90
- C. 80
- D. 49 Discuss
- 7. Which of the following performs modulation and demodulation?
Options- A. fiber optic
- B. satellite
- C. coaxial cable
- D. modem
- E. None of the above Discuss
- 8. Which of the following statement is correct?
Options- A. A spin stabilized satellite used solar cells mounted on a cylinder body that continuously rotates so that 40 a time and it also uses gyroscopic action of a spinning satellite to maintain its orientation towards the earth and the sun.
- B. A spin stabilized satellite uses solar panels whose cells are continually oriented toward the sun
- C. Satellite transponders use lower frequency reception of radiation from earth stations and higher frequency for transmission to earth stations.
- D. satellite transponders use a single frequency for reception and transmission from one point on earth to another
- E. None of the above Discuss
- 9. On a class C network with a subnet mask of 192, how many subnets are available?
Options- A. 254
- B. 62
- C. 30
- D. 14
- E. 2 Discuss
- 10. Parity bit is
Options- A. an error-detecting code based on a summation operation performed on the bits to be checked.
- B. a check bit appended to an array of binary digits to make the sum of all the binary digits.
- C. a code in which each expression conforms to specific rules of construction, so that if certain errors occur in an expression, the resulting expression will not conform to the rules of construction and thus the presence of the errors in detected
- D. the ratio of the number of data units in error to the total number of data units
- E. None of the above Discuss
Networking problems
Search Results
Correct Answer: serial
Correct Answer: batch processing
Correct Answer: The IP address
Correct Answer: All of the above
Correct Answer: SMTP
Correct Answer: 110
Correct Answer: modem
Correct Answer: A spin stabilized satellite used solar cells mounted on a cylinder body that continuously rotates so that 40 a time and it also uses gyroscopic action of a spinning satellite to maintain its orientation towards the earth and the sun.
Correct Answer: 2
Correct Answer: a check bit appended to an array of binary digits to make the sum of all the binary digits.
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