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Question 1

31% answer correctly

Which of the following about STP operations is true?

	One root port exists per broadcast domain.
	Non-designated ports are set in the forwarding state.
	One designated port is defined per segment.
	One root port is established per root bridge.
	One root bridge exists per collision domain.

Question 2

56% answer correctly

Using VLSM, how many /30 subnets can be derived from a single /27 Class C subnet?

Question 3

70% answer correctly

Which Cisco IOS XR command presents a list of all interfaces, their Layer 3 address (if configured), and the status of the interface and protocol?

	RP/0/RSP0/CPU0:PE1(admin)# show platform
	RP/0/RSP0/CPU0:PE1# show ipv4 interfaces brief
	RP/0/RSP0/CPU0:PE1# show controllers
	RP/0/RSP0/CPU0:PE1# show interface GigabitEthernet 0/0/0/1
	RP/0/RSP0/CPU0:PE1(admin)# show hw-module fpd location all
	RP/0/RSP0/CPU0:PE1(config)# show bundle