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Question 1

49% answer correctly

Which of the following about a root bridge in an STP domain is true?

	It contains non-designated ports.
	It has the highest priority value.
	It contains root ports.
	It has the lowest bridge ID in the STP domain.
	It has the highest root ID in the STP domain.

Question 2

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

Question 3

56% answer correctly

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