CS 6250 TEST 1 | Q&A Latest 2024/2025 | 100% PASS

CS 6250 TEST 1 | Q&A Latest 2024/2025 | 100% PASS Standardized traffic routing between networks (all use IP), opens the way for different protocols to be used at higher/lower levels. IP responsible for moving traffic between networks (level 3), each network may network may use tech they choose at lvl 1 and 2 to move traffic within their net. Data can still traverse internet because IP glues different networks together. Higher layers (transport/application) operate strictly end-to-end. Since IP works in the core of network, any end-to-end services may be built on top of it. - Answer -How does the "narrow waist" allow a large variety of different protocols to be used on the Internet? Goals: Connect disparate individual (layer 2) networks by internetworking them with IP (layer 3). ARP translates between different addressing schemes of IP (L3) and Ethernet (L2)