How many collision and broadcast domains are in the network shown below?

A.
4 collision domains and 3 broadcast domains

B.
7 collision domains and 2 broadcast domains

C.
8 collision domains and 1 broadcast domain

D.
6 collision domains and 2 broadcast domains

Explanation:
There are 7 collision domains and 2 broadcast domains. They are labeled as shown below. Each router
interface makes a broadcast domain and each switch interface creates a collision domain. The hub interfaces
do neither.

Objective:
Routing Fundamentals
Sub-Objective:
Describe the routing concepts

Internetwork Design Guide — Designing Switched LAN Internetworks > Comparison of LAN Switches and
Routers