27.下列何種協定不是OSI模型(Open System Interconnection Model)第七層(應用層)的協定？
(A) TCP(Transmission Control Protocol)
(B) HTTP(HyperText Transfer Protocol)
(C) FTP(File Transfer Protocol)
(D) DHCP(Dynamic Host Configuration Protocol)

答案：登入後查看
統計： A(19), B(0), C(0), D(1), E(0) #3834811