EIGRP and OSPF Questions and Answers

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Q21
Why does the data communication industry use the layered OSI reference model?     It divides the network communication process into smaller and simpler components, thus aiding component development, design, and troubleshooting.     It enables equipment from different vendors to use the same electronic components, thus saving research and development funds.     It supports the evolution of multiple competing standards and thus provides business opportunities for equipment manufacturers.     It encourages industry standardization by defining what functions occur at each layer of the model.
  • A 1 only
  • B 1 and 4
  • C 2 and 3
  • D 3 only
Answer: Option B
Q22
A receiving host has failed to receive all of the segments that it should acknowledge. What can the host do to improve the reliability of this communication session?
  • A Send a different source port number.
  • B Restart the virtual circuit.
  • C Decrease the sequence number.
  • D Decrease the window size.
Answer: Option D
Q23
What are the decimal and hexadecimal equivalents for the binary number 10110111?
  • A 69/0x2102
  • B 183/B7
  • C 173/A6
  • D 83/0xC5
Answer: Option B
Q24
What is the purpose of flow control?
  • A To ensure that data is retransmitted if an acknowledgment is not received.
  • B To reassemble segments in the correct order at the destination device.
  • C To provide a means for the receiver to govern the amount of data sent by the sender.
  • D To regulate the size of each segment.
Answer: Option C
Q25
Which three statements are true about the operation of a full-duplex Ethernet network?     There are no collisions in full-duplex mode.     A dedicated switch port is required for each full-duplex node.     Ethernet hub ports are preconfigured for full-duplex mode.     In a full-duplex environment, the host network card must check for the availability of the network media before transmitting.     The host network card and the switch port must be capable of operating in full-duplex mode.
  • A 1, 2, and 5
  • B 2 and 4
  • C 2, 3 and 4
  • D 5 only
Answer: Option A
Q26
Which of the following are types of flow control?     Buffering     Cut-through     Windowing     Congestion avoidance
  • A 1 and 2
  • B 1, 3 and 4
  • C 2 only
  • D 3 only
Answer: Option B
Q27
    Repeater spacing in point to point transmission using optical 1fiber is
  • A 2-10 KM
  • B 1-10 KM
  • C 10-100 KM
  • D 0-50 KM
Answer: Option C
Q28
    The highest data rate is provided by the medium   
  • A COAXIAL CABLE
  • B MICROWAVE
  • C TWISTED PAIRS
  • D OPTICAL FIBER
Answer: Option D
Q29
"The design issues of physical layer doesn’t deal with following characteristics"
  • A MECHANICAL
  • B ELECTRICAL
  • C FUNCTIONAL
  • D NONE
Answer: Option D
Q30
The TCP/IP model has how many layers    1. 7   
  • A 3
  • B 4
  • C 5
Answer: Option C

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