Practice Quiz

CompTIA Network+ Exam Review - Question List

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21. Which of the following statements is true for the network shown in the figure?
  1. 2 broadcast domains and 9 collision domains
  2. 3 broadcast domains and 9 collision domains
  3. 9 broadcast domains and 2 collision domains
  4. 9 broadcast domains and 4 collision domains
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22. Which one of the following can significantly increase congestion on an Ethernet network?
  1. Subdividing the network into different VLANs
  2. Increasing the number of collision domains
  3. Adding more hubs in to the network
  4. Adding more switches in to the network
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23. Which of the following maps multiple private IP addresses to a single registered IP address by using different ports?
  1. Overloading NAT
  2. Static NAT
  3. Dynamic NAT
  4. Overlapping
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24. Which of the following statements regarding a switch, bridge, or a hub is NOT true?
  1. Both bridges and switches forward Layer-2 broadcasts.
  2. Bridges do not forward Layer-2 broadcasts.
  3. Switch broadcasts the frame sent by a host to all other hosts on the network.
  4. Bridges gave a lower number of ports than switches.
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25. Which of the following components, when added, can enable host A to ping host B?
  1. Crossover cable connecting the switches
  2. A router connecting the switches using straight through cables
  3. A hub connecting the switches
  4. Straight-through cable connecting the switches
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