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Question 1

39% answer correctly

Which statement about 10/40/100 GigabitEthernet interface configuration on Cisco IOS XR is true?

	The range for MTU values is 64 bytes to 1518 bytes on the interface.
	The configuration supports only full-duplex operation.
	The interface has no flow control configuration.
	Use the negotiation auto command in interface configuration mode to enable link auto-negotiation to ensure that devices that share a link segment are automatically configured with the highest performance.

Question 2

31% answer correctly

Which of the following about STP operations is true?

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

Question 3

42% answer correctly

Given the CIDR address range of 200.165.160.0 to 200.165.191.255, what is the CIDR block?