CCNA Routing and Switching Practice Test Results

Question 1
49% answer correctly
What is one benefit of PVST+?
PVST+ automatically selects the root bridge location, to provide optimized bandwidth usage.
PVST+ allows the root switch location to be optimized per VLAN.
PVST+ reduces the CPU cycles for all the switches in the network.
PVST+ supports Layer 3 load balancing without loops.
Question 2
36% answer correctly
Which command reveals the last method used to powercycle a router?
show boot
show running-config
show reload
show version
Question 3
56% answer correctly
A network administrator receives an error message while trying to configure the Ethernet interface of a router with IP address 10.24.24.24/29. Which statement explains the reason for this issue?
This address is a broadcast address
VLSM-capable routing protocols must be enabled first on the router.
This address is a network address.
The Ethernet interface is faulty.