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
单项选择题 Which layer in the OSI model is responsible for translating frames into bits?（）
多项选择题 What are three characteristics of UDP?（）
单项选择题 Which simplified IPv6 address is the same as the IP address 2001:0000:1000:0000:0000:cbff:0020:0001/64?（）
