QuestionQ80Verified/Network and Communications SecurityCopy linkReport a problemAsk AstroTutorSave questionAt which layer of the OSI/ISO model does the Point-to-Point Tunnelling Protocol (PPTP) operate?AData link layerBTransport layerCSession layerDNetwork layerShow AnswerAnswerExplanationPPTP tunnels Point-to-Point Protocol (PPP) traffic across an IP network. It is classified as a data-link (Layer 2) protocol because it provides point-to-point link-layer connectivity rather than transport-, session-, or network-layer functions.Learn moreMS-NAPOD: Glossary — data link protocolsMS-PTPT: IntroductionShow comments0Show commentsCommunity DiscussionNo comments yet. Be the first to start the discussion!
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