To detect the AND-bridging fault check the state of output for input combination m₁, m₅, m₉
If any 1 in m₁, m₅, m₉ is applied and output = 1, then it indicates AND-bridging in circuit. Therefore y₂ is the input pattern that can detect the AND-bridging fault.
In packet switched networks, the method of bridging is used for message forwarding. Bridging, as opposed to routing, locates unknown network devices by using the destination address contained in the message header.
The local area network (LAN) or Ethernet device discovery process is not predicated in any way by the bridging technique. Bridging, which is only intended for use on LANs, uses flooding in place of the other method. Once a network device has been found, its address is automatically saved in a table for later use.
Instead of trying to manage adjacent segments, bridging only regulates and manages the network traffic within a single network segment.
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