CCNA Questions And Answers

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Answer: B Switches filter by MAC address and, by default, are typically easy to administrate. B is the "best" answer. Chapter: 1 8. When is Frame Tagging used? A. When you install repeaters in your network B. When you install bridges in your network C. When you install routers in your network D. When you use Switches configured with multiple VLANS Answer: D Frame tagging is used to uniquely identify a frame as it traverses the switch fabric on a VLAN. Chapter: 1 9. Which STP state prevents the use of looped paths? A. Blocking B. Listening C. Learning D. Forwarding Answer: A The purpose of the blocking state is to prevent the use of looped paths. A port in listening state prepares to forward data frames without populating the MAC address table. A port in learning state populates the MAC address table but doesn't forward data frames. The forwarding port sends and receives all data frames on the bridged port. Lastly, A port in the disabled state is virtually nonoperational. Chapter: 1 10. Which STP state populates the MAC address table but doesn't forward data frames? A. Blocking B. Listening C. Learning D. Forwarding Answer: C The purpose of the blocking state is to prevent the use of looped paths. A port in listening state prepares to forward data frames without populating the MAC address table. A port in learning state populates the MAC