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- Question
How much power (roughly) a light-emitting diode can couple into an optical fiber?
Options- A. 100 microwatts
- B. 440 microwatts
- C. 100 picowatts
- D. 10 milliwatts
- E. None of the above
- Correct Answer
- 100 microwatts
- 1. A protocol is a set of rules governing a time sequence of events that must take place
Options- A. between peers
- B. between modems
- C. between an interface
- D. across an interface
- E. None of the above Discuss
- 2. Which of the following is an important characteristic of LAN?
Options- A. application independent interfaces
- B. unlimited expansion
- C. low cost access for low bandwidth channels
- D. parallel transmission
- E. None of the above Discuss
- 3. A modem that is attached to the telephone system by jamming the phone's handset into two flexible receptacles in the coupler?
Options- A. gateway
- B. bridge
- C. acoustic coupler
- D. time-division multiplexer
- E. None of the above Discuss
- 4. 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
- 5. 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
- 6. With telecommunications and a personal computer you can
Options- A. "download" free public domain programs
- B. send letters to be printed and delivered by the post office
- C. order goods at a substantial discount
- D. All of the above
- E. None of the above Discuss
- 7. What does 224 translate to in binary?
Options- A. 11110000
- B. 00011110
- C. 00001111
- D. 11100000
- E. None of the above Discuss
- 8. Which utility is useful for troubleshooting NetBIOS name resolution problems?
Options- A. NBTSTAT
- B. Netstat
- C. PING
- D. Hostname
- E. None of the above Discuss
- 9. After you have verified that TCP/IP is installed correctly, what is the next step in verifying the TCP/IP configuration?
Options- A. Ping the broadcast address
- B. Ping the Microsoft Web site
- C. Ping a distant router.
- D. Ping the address of the local host
- E. None of the above Discuss
- 10. What is the standard protocol for network management features?
Options- A. SNA
- B. FTP
- C. SNMP
- D. SMS Discuss
Networking problems
Search Results
Correct Answer: between peers
Correct Answer: application independent interfaces
Correct Answer: acoustic coupler
Correct Answer: consists of software being run on the computer connected to the network
Correct Answer: The network becomes more efficient
Correct Answer: All of the above
Correct Answer: 11100000
Correct Answer: NBTSTAT
Correct Answer: Ping the address of the local host
Correct Answer: SNMP
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