![Picture](/uploads/2/4/3/6/24362712/8739033.jpg)
Advantages:
Cheap, easy fitting and doesn't require routing to work.
Disadvantages:
Don't support traffic filtering
![Picture](/uploads/2/4/3/6/24362712/9096917.jpg)
Advantages:
Cable-free, which means no installation hassle
Disadvantages:
Wireless signal easily obstructed by walls / buildings
![Picture](/uploads/2/4/3/6/24362712/4913966.jpg)
Advantages:
Can be configured to provide a great level of detail.
Disadvantages:
Packet filtering by a software firewall can degrade your system's performance, because it's a demanding task to examine every packet of data.
![Picture](/uploads/2/4/3/6/24362712/5313606.jpg)
Advantages:
In a file sharing environment, a large number of users can access a program.
Disadvantages:
Security Problems- explicit programming required
Integrity Problems- rules needed to be programmed explicitly
![Picture](/uploads/2/4/3/6/24362712/986081.jpg)
![Picture](/uploads/2/4/3/6/24362712/7423915.jpg)
![Picture](/uploads/2/4/3/6/24362712/340569.jpg)
Advantages:
Network Interface Cards are very cheap to purchase and install.
Disadvantages:
Network Interface Cards can be unsafe and data is not secured.