If you're planning on taking the Network+ exam, you should have a basic understanding of collision and broadcast domains, along with network segments. For example, can you answer this sample Network+ question?
Q. How many broadcast domains and collision domains are on a basic 12-port switch using half-duplex mode?
A. 12 collision domains and 12 broadcast domains
B. 12 collision domains and 1 broadcast domain
C. 1 collision domain and 12 broadcast domains
D. 1 collision domain and 1 broadcast domain
More, do you know why the correct answer is correct and the incorrect answers are incorrect? The answer and explanation is available here.