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- Question
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
- Correct Answer
- a signal all of whose energy is contained within a finite frequency range
- 1. Which utility is useful for finding the local host name?
Options- A. NBTSTAT
- B. Netstat
- C. PING
- D. Hostname
- E. None of the above Discuss
- 2. Messages from one computer terminal can be sent to another by using data networks. The message to be sent is converted to an electronic digital signal, transmitted via a cable, telephone or satellite and then converted back again at the receiving end. What is this system of sending messages called?
Options- A. Paperless office
- B. Electronic mail
- C. Global network
- D. Electronic newspaper
- E. None of the above Discuss
- 3. Which of the following divides the high speed signal into frequency bands?
Options- A. t-switch
- B. modem
- C. frequency-division multiplexer
- D. time-division multiplexer
- E. None of the above Discuss
- 4. 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
- 5. The physical layer, in reference to the OSI model, defines
Options- A. data link procedures that provide for the exchange of data via frames that can be sent and received
- B. the interface between the X.25 network and packet mode device
- C. the virtual circuit interface to packet-switched service
- D. All of the above
- E. None of the above Discuss
- 6. 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
- 7. 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
- 8. 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
- 9. 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
- 10. 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 Discuss
Networking problems
Search Results
Correct Answer: Hostname
Correct Answer: Electronic mail
Correct Answer: frequency-division multiplexer
Correct Answer: Microwaves
Correct Answer: the interface between the X.25 network and packet mode device
Correct Answer: 192 - 223
Correct Answer: 2,113,658
Correct Answer: no delay in processing
Correct Answer: Connection orientated and reliable
Correct Answer: 1950, USA
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