Collision and broadcast domains

Which of the following statement describes the network shown in the graphic

• There are two broadcast domains in the network.
• There are six broadcast domains in the network.
• There are four broadcast domains in the network.
• -------

Which of the following statement describes the network shown in the graphic

• There are five collision domains in the network.
• There are seven collision domains in the network.
• There are four collision domains in the network.
• -------

How many collision domains are created by a HUB

• Single collision domain
• Multiple collision domains
• No collision domains
• --------------

How many collision domains are created by a Switch

• Single collision domain
• Multiple collision domains
• No collision domains
• --------------

How many collision domains are created by a Router

• Single collision domain
• Multiple collision domains
• No collision domains
• --------------

How many broadcast domains are created by a Router

• Single broadcast domain
• Multiple broadcast domains
• No broadcast domains
• --------------

How many broadcast domains are created by a Switch

• Single broadcast domain
• Multiple broadcast domains
• No broadcast domains
• --------------

How many broadcast domains are created by a Hub

• Single broadcast domain
• Multiple broadcast domains
• No broadcast domains
• --------------

• 1
• 2
• 4
• 8

How many collision domain in the following Network infrastructure 

• 1
• 2
• 7
• 6