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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 root ports.
	It has the highest root ID in the STP domain.
	It contains non-designated ports.
	It has the highest priority value.
	It has the lowest bridge 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(admin)# show platform
	RP/0/RSP0/CPU0:PE1# show interface GigabitEthernet 0/0/0/1
	RP/0/RSP0/CPU0:PE1(config)# show bundle
	RP/0/RSP0/CPU0:PE1# show controllers
	RP/0/RSP0/CPU0:PE1# show ipv4 interfaces brief
	RP/0/RSP0/CPU0:PE1(admin)# show hw-module fpd location all

Question 3

56% answer correctly

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