Discussion
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- Question
Modem is used in data transmission. When was it invented and in which country?
Options- A. 1963, USA
- B. 1965, Germany
- C. 1950, USA
- D. 1950, Japan
- E. None of the above
- Correct Answer
- 1950, USA
- 1. TCP is:
Options- A. Operates at the Data Link layer
- B. Connection orientated and unreliable
- C. Connection orientated and reliable
- D. Connectionless and unreliable Discuss
- 2. A required characteristic of an online real-time system is:
Options- A. more than one CPU
- B. offline batch processing
- C. no delay in processing
- D. All of the above
- E. None of the above Discuss
- 3. How many class A, B, and C network IDs can exist?
Options- A. 2,113,658
- B. 16,382
- C. 126
- D. 128
- E. None of the above Discuss
- 4. What is the first octet range for a class C IP address?
Options- A. 192 - 255
- B. 192 - 223
- C. 192 - 226
- D. 128 - 191
- E. 1 - 126 Discuss
- 5. Bandlimited signal is
Options- A. transmission of signals without modulation
- B. a signal all of whose energy is contained within a finite frequency range
- C. simultaneous transmission of data to a number of stations
- D. All of the above
- E. None of the above Discuss
- 6. An encyclopedic database
Options- A. is an information utility that specializes in storing and searching information
- B. is generally free
- C. is easy for beginners to use
- D. All of the above
- E. None of the above Discuss
- 7. Which of the following characteristic(s) is/are suited to the PSS applications?
Options- A. bursty traffic and low communications intensity
- B. widely dispersed terminals and access to international packets switched services
- C. Multiple remote host or applications accessed by a single local access circuit terminal and circuit
- D. All of the above
- E. None of the above Discuss
- 8. Which of the following is an advantage to using fiber optics data transmission?
Options- A. resistance to data theft
- B. fast data transmission rate
- C. low noise level
- D. few transmission errors
- E. All of the above Discuss
- 9. The transmission signal coding method of TI carrier is called
Options- A. Bipolar
- B. NRZ
- C. Manchester
- D. Binary
- E. None of the above Discuss
- 10. Computers in a LAN can be interconnected by radio and infrared technologies.
Options- A. Wireless LANs
- B. Network Topologies
- C. Multiplexer
- D. Modem Discuss
Networking problems
Search Results
Correct Answer: Connection orientated and reliable
Correct Answer: no delay in processing
Correct Answer: 2,113,658
Correct Answer: 192 - 223
Correct Answer: a signal all of whose energy is contained within a finite frequency range
Correct Answer: is an information utility that specializes in storing and searching information
Correct Answer: All of the above
Correct Answer: All of the above
Correct Answer: Bipolar
Correct Answer: Wireless LANs
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