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- Question
An example of a medium-speed, switched communications service is
Options- A. Series 1000
- B. Dataphone 50
- C. DDD
- D. All of the above
- E. None of the above
- Correct Answer
- DDD
- 1. If odd parity is used for ASCII error detection, the number of 0s per eight-bit symbol is _____.
Options- A. even
- B. odd
- C. indeterminate
- D. 42 Discuss
- 2. Number of bits per symbol used in Baudot code is
Options- A. 1
- B. 5
- C. 8
- D. 9
- E. None of the above Discuss
- 3. Synchronous protocols
Options- A. transmit characters one at a time
- B. allow faster transmission than asynchronous protocols do
- C. are generally used by personal computers
- D. are more reliable
- E. None of the above Discuss
- 4. To set up a bulletin board system you need
Options- A. a smart modem with auto-answer capabilities
- B. a telephone line
- C. a personal computer
- D. All of the above
- E. None of the above Discuss
- 5. Who originally designed TCP/IP?
Options- A. The Department of Defense
- B. Novell
- C. IBM
- D. Xerox Discuss
- 6. What is the maximum number of entries in the HOSTS file?
Options- A. 8
- B. 255
- C. 500
- D. Unlimited
- E. None of the above Discuss
- 7. Which of the following medium is used for broadband local networks?
Options- A. Coaxial cable
- B. optic fiber
- C. CATV
- D. UTP
- E. None of the above Discuss
- 8. The birthplace of the World Wide Web is considered to be
Options- A. the Department of Defense
- B. CERN
- C. ARPA
- D. Netscape
- E. None of the above Discuss
- 9. The Token-Ring architecture was developed for a more efficient way to determine who should be transmitting at any one time. With Ethernet, collisions may take place, causing the transmitting computers to have to retransmit their data. The use of token guarantees that only one computer can transmit at a time. What happens as the network increases in size? Choose the best answer
Options- A. An additional token is added for every 1,000 nodes
- B. The speed of the Token-Ring network must be 16Mbps if the number of nodes is greater then 500
- C. The network becomes less efficient
- D. After the number of nodes exceeds 550, the Multistation Access Unit must be replaced by the more powerful Hyperstation Unified Bandwidth device
- E. The network becomes more efficient Discuss
- 10. The application layer of a network
Options- A. establishes, maintains, and terminates virtual circuits
- B. defines the user's port into the network
- C. consists of software being run on the computer connected to the network
- D. All of the above
- E. None of the above Discuss
Networking problems
Search Results
Correct Answer: odd
Correct Answer: 5
Correct Answer: allow faster transmission than asynchronous protocols do
Correct Answer: All of the above
Correct Answer: The Department of Defense
Correct Answer: Unlimited
Correct Answer: CATV
Correct Answer: CERN
Correct Answer: The network becomes more efficient
Correct Answer: consists of software being run on the computer connected to the network
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