Most routing protocols have metric structures and algorithms that are not compatible with other protocols. In a network with multiple routing protocols, the exchange of route information and the capability to select the best path across the multiple protocols are critical.elect the Best Path. Administrative distance is the first criterion that a router uses to determine which routing protocol to use if two protocols provide route information for the same destination. Administrative distance is a measure of the trustworthiness of the source of the routing information.
Burj Khalifa in Dubai, United Arab Emirates is the tallest building in the world. Shanghai Tower in Shanghai, China is the 2nd tallest building in the world. The Abraj Al-Bait Towers in Mecca, Saudi Arabia, is the tallest hotel, and the 3rd tallest building in the world.
The Taipei 101 also known as Taipei World Financial Center in past was the worlds tallest building before the Burj Khalifa topped out in 2010. The year 2011 brought the skyscraper LEED Platinum certification for being the worldâs largest and tallest green building.