![Picture](/uploads/2/4/3/6/24362712/8739033.jpg)
Networking Bridge: a device which allows to networks to connect to each other and communicate e.g. share files
Advantages:
Cheap, easy fitting and doesn't require routing to work.
Disadvantages:
Don't support traffic filtering
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)
Repeater: A repeater is an electronic device which retransmits signals at higher levels of power so that it can travel further and cover longer distances.
Advantages:
Cable-free, which means no installation hassle
Disadvantages:
Wireless signal easily obstructed by walls / buildings
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)
Proxy server/Firewall: A firewall is a system designed to prevent unauthorized access to or from a private network.
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.
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)
File server: A device which controls access to separately stored files, as part of a multi-user system. you can store and share files.
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
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)
Back up server:A server responsible for backing up and restoring files folders and databases and hardrives on a network in order to prevent the loss of data in a hard drive failure etc
![Picture](/uploads/2/4/3/6/24362712/7423915.jpg)
Print server: A print server is a device that conncets printers to client computers over a network, and allows multiple computers to print from one printer.
![Picture](/uploads/2/4/3/6/24362712/340569.jpg)
Network inter face card: connects a computer to a computer network.
Advantages:
Network Interface Cards are very cheap to purchase and install.
Disadvantages:
Network Interface Cards can be unsafe and data is not secured.
Advantages:
Network Interface Cards are very cheap to purchase and install.
Disadvantages:
Network Interface Cards can be unsafe and data is not secured.