What is required for a LAN switch to support 802.1q Q-in-Q encapsulation? seenagape 10 years ago What is required for a LAN switch to support 802.1q Q-in-Q encapsulation? A. Support less than 1500 MTU B. Support 1504 MTU or higher C. Support 1522 layer 3 IP and IPX packet D. Support 1547 MTU only ← Previous question Next question →