問題詳情
39. 電子郵件的傳輸協定SMTP、POPIMAP，是屬於TCP/IP協定集中哪一層的傳輸協定？
(A)鏈結層
(B)網路層
(C)應用層
(D)傳輸層
(A)鏈結層
(B)網路層
(C)應用層
(D)傳輸層
參考答案
答案：D[無官方正解]
難度：適中0.4
統計：A(1),B(4),C(0),D(4),E(0)
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