Some vendors provide firewall, network intrusion detection, and performance analysis modules that can plug into switch ports. Some of these functions may be on combined modules. In other cases, the switch is used to create a mirror image of data that can go to an external device.
The airliner that holds the current record of highest passenger capacity is the Airbus A380. The Airbus A380 is a four-engine aircraft and is the largest commercial plane in the world. The A380 took the first flight in April 2005 and commercial service began in October 25th, 2007 with Singapore Airlines.
7.) Solar Impulse 2. The Solar Impulse 2 is the largest solar-powered plane in the world, with a wingspan larger than that of a 747 but a weight of just over 5,000 lbs. It's going to attempt a round the world flight very soon. Godspeed.