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- Question
Many data communication networks have been established which provide a wealth of on-demand information services to people at home. What is the name of the system which provides an interactive, graphics-rich service that permits user to select what they want?
Options- A. Teletex system
- B. Fax system
- C. Videotex system
- D. Microwave system
- E. None of the above
- Correct Answer
- Videotex system
- 1. A teleprocessing system may consist of
Options- A. user systems
- B. communications systems
- C. computer center systems
- 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 four subnets and a maximum number of hosts?
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. Which of the following is the address of the router?
Options- A. The IP address
- B. The TCP address
- C. The subnet mask
- D. The default gateway
- E. None of the above Discuss
- 4. Which of the following statement is incorrect?
Options- A. if a host moves from one network to another, its IP address must change
- B. routing uses the network portion of the IP address, the path taken by packets travelling to a host with multiple IP addresses depends on the address used.
- C. IP addresses encode both a network and a host on that network, they do not specify an individual machine, but a connection to a network.
- D. All of the above
- E. None of the above Discuss
- 5. The dialogue techniques for terminal use do not include
Options- A. questions and answers
- B. open-ended questions
- C. form fillings
- D. menu display
- E. None of the above Discuss
- 6. You are working with a network that is 172.16.0.0 and would like to have the maximum number of hosts per subnet. This assumes support for eight subnets. What subnet mask should you use?
Options- A. 255.255.192.0
- B. 255.255.224.0
- C. 255.255.240.0
- D. 255.255.248.0
- E. 255.255.255.0 Discuss
- 7. 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
- 8. 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
- 9. 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
- 10. 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
Networking problems
Search Results
Correct Answer: All of the above
Correct Answer: 255.255.255.224
Correct Answer: The default gateway
Correct Answer: All of the above
Correct Answer: open-ended questions
Correct Answer: 255.255.240.0
Correct Answer: the interface between the X.25 network and packet mode device
Correct Answer: Microwaves
Correct Answer: frequency-division multiplexer
Correct Answer: Electronic mail
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