Discussion
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- Question
Contention is
Options- A. One or more conductors that serve as a common connection for a related group of devices
- B. a continuous frequency capable of being modulated or impressed with a second signal
- C. the condition when two or more stations attempt to use the same channel at the same time
- D. a collection of interconnected functional units that provides a data communications service among stations attached to the network
- E. None of the above
- Correct Answer
- the condition when two or more stations attempt to use the same channel at the same time
- 1. A remote batch-processing operation in which data is solely input to a central computer would require a:
Options- A. telegraph line
- B. simplex lines
- C. mixedband channel
- D. All the above
- E. None of the above Discuss
- 2. Frames from one LAN can be transmitted to another LAN via the device
Options- A. Router
- B. Bridge
- C. Repeater
- D. Modem Discuss
- 3. Which of the following TCP/IP protocol is used for transferring electronic mail messages from one machine to another?
Options- A. FTP
- B. SNMP
- C. SMTP
- D. RPC
- E. None of the above Discuss
- 4. When you ping the loopback address, a packet is sent where?
Options- A. On the network
- B. Down through the layers of the IP architecture and then up the layers again
- C. Across the wire
- D. through the loopback dongle
- E. None of the above Discuss
- 5. The probability that a single bit will be in error on a typical public telephone line using 4800 bps modem is 10 to the power -3. If no error detection mechanism is used, the residual error rate for a communication line using 9-bit frames is approximately equal to
Options- A. 0.003
- B. 0.009
- C. 0.991
- D. 0.999
- E. None of the above Discuss
- 6. What part of 192.168.10.51 is the Network ID, assuming a default subnet mask?
Options- A. 192
- B. 192.168.10
- C. 0.0.0.5
- D. 51
- E. None of the above Discuss
- 7. Which of the following technique is used for fragment?
Options- A. a technique used in best-effort delivery systems to avoid endlessly looping packets
- B. a technique used by protocols in which a lower level protocol accepts a message from a higher level protocol and places it in the data portion of the low level frame
- C. one of the pieces that results when an IP gateway divides an IP datagram into smaller pieces for transmission across a network that cannot handle the original datagram size
- D. All of the above
- E. None of the above Discuss
- 8. Your company has a LAN in its downtown office and has now set up a LAN in the manufacturing plant in the suburbs. To enable everyone to share data and resources between the two LANs, what type of device(s) are needed to connect them? Choose the most correct answer.
Options- A. Modem
- B. Cable
- C. Hub
- D. Router Discuss
- 9. Telecommunication networks frequently interconnect an organization with its customers and suppliers. Select the best fit for answer:
Options- A. Bandwidth alternatives
- B. Switching alternating
- C. Inter organizational networks
- D. Extranets Discuss
- 10. In CRC there is no error if the remainder at the receiver is _____.
Options- A. equal to the remainder at the sender
- B. zero
- C. nonzero
- D. the quotient at the sender Discuss
Networking problems
Search Results
Correct Answer: simplex lines
Correct Answer: Bridge
Correct Answer: SMTP
Correct Answer: Down through the layers of the IP architecture and then up the layers again
Correct Answer: 0.009
Correct Answer: 192.168.10
Correct Answer: one of the pieces that results when an IP gateway divides an IP datagram into smaller pieces for transmission across a network that cannot handle the original datagram size
Correct Answer: Router
Correct Answer: Inter organizational networks
Correct Answer: zero
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