6.2.9 Check Your Understanding – Topologies Answers

1. Which topology displays networking device layer IP addresses?

  • aerial topology
  • IP address topology
  • logical topology
  • physical topology

Explanation: The logical topology shows the IP addresses assigned to device interfaces.

2. What kind of network would use point-to-point, hub and spoke, or mesh topologies?

  • PAN
  • LAN
  • WLAN
  • WAN

Explanation: Wide Area Networks (WANs) come in many topologies, to include point-to-point, hub-and-spoke, and mesh.

3. Which LAN topology is a hybrid topology?

  • bus
  • extended star
  • ring
  • star

Explanation: The extended star topology is considered a hybrid topology because it combines multiple star topologies.

4. Which duplex communication method is used in WLANs?

  • full-duplex
  • half-duplex
  • simplex

Explanation: Wireless LANs (WLANs) only support half-duplex because only one device can access the media at a time.

5. Which media access control method is used in legacy Ethernet LANs?

  • carrier sense multiple access/collision annoyance
  • carrier sense multiple access/collision avoidance
  • carrier sense multiple access/collision destruction
  • carrier sense multiple access/collision detection

Explanation: Carrier sense multiple access /collision detection (CSMA/CD) is the media access control method used in legacy Ethernet LANs.

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