单项选择题
A. fixed header size B. smaller header size C. fewer header fields D. variable header size
Which layer in the TCP/IP model is responsible for deli...
单项选择题Which layer in the TCP/IP model is responsible for delivering packets to their destination?（）
A. Application Layer B. Transport Layer C. Internet Layer D. Network Access Layer
Which layer in the OSI model is responsible for transla...
单项选择题Which layer in the OSI model is responsible for translating frames into bits?（）
A. Application Layer B. Presentation Layer C. Data Link Layer D. Physical Layer
What are three characteristics of UDP?（）A. UDP is faste...
多项选择题What are three characteristics of UDP?（）
A. UDP is faster than TCP B. UDP operates at the Transport Layer C. UDP is connection-oriented D. UDP data is sent best-effort E. UDP is more reliable than TCP
