CCNA Service Provider Practice Test Results

Question 1
31% answer correctly
Which of the following about STP operations is true?
One root port is established per root bridge.
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 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?
1
16
4
2
8
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?
200.165.160.0/17
200.165.160.0/19
200.165.160.0/21
200.165.160.0/18
200.165.160.0/20