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bridge filters router directs
Bridge
Protocol Analyzer
Switch
-They let two network segments appear as one network to connected workstations. -Their primary function is to keep traffic for one segment away from the other segment.
This device is called a ROUTER. Routers are by default configured to not pass the broadcast traffic to another networks to which it connects. But by some means it could be also a SWITCH - sometimes it can be configured to filter different type of network traffic.
This is known as "stateful" filtering - When firewalls are aware of the traffic state as well as the content of the packets.
A network traffic analyzer is used for analyzing and monitoring the use of network traffic for many devices. Network Traffic Analyzer is also used to monitor the wireless network performance.
No, because a hub is a multi-port repeater, which has no isolation feature.
yes, it reducing the network traffic
Tracing network traffic requires a network monitor, protocol analyzer, or packet sniffer.
Yes, if you separate the network into different sub-networks, you can then set up rules (for example, through ACLs) that allow certain traffic between subnets, and block other types of traffic.