E1_第2章.docVIP

张亭：89.1 马桂丹：97.8 轩秋明：76.1 窗体顶端 窗体底端 1 窗体顶端 What device is considered an intermediary device? 本题考察的是中间设备 file server IP phone laptop printer switch 窗体底端 2 窗体顶端 Which two layers of the OSI model have the same functions as the TCP/IP model Network Access Layer? (Choose two.)本题考查的是OSI参考模型与TCP/IP协议模型的层对应关系 Network Transport Physical Data Link Session 窗体底端 3 窗体顶端 What can be identified by examining the network layer header?本题考查的是网络层的封装格式 the destination device on the local media the destination host address the bits that will be transferred over the media the source application or process creating the data 窗体底端 4 窗体顶端 Which layer encapsulates the segment into packets?本题考查的是封装过程 physical data link network transport 窗体底端 5 窗体顶端 During the encapsulation process, what occurs at the data link layer?本题考查的是数据链路层的封装格式 No address is added. The logical address is added. The physical address is added. The process port number is added. （张亭所选…….） 窗体底端 6 窗体顶端 What is the proper order of the layers of the OSI model from the highest layer to the lowest layer? OSI参考模型的7层 physical, network, application, data link, presentation, session, transport application, physical, session, transport, network, data link, presentation application, presentation, physical, session, data link, transport, network application, presentation, session, transport, network, data link, physical presentation, data link, session, transport, network, physical, application 窗体底端 7 窗体顶端 本题考查的是终端设备Refer to the exhibit. Which set of devices contains only end devices? A, C, D B, E, G, H C, D, G, H, I, J D, E, F, H, I, J E, F, H, I, J 窗体底端 8 窗体顶端 Refer to the exhibit. Which three labels correctly identify the network types for the network segments that are shown? (Choose three.) 本题考查的是LAN与WAN网 Network A -- WAN Network B -- WAN Network C -- LAN Network B -- MAN Network C -- WAN Network A -- LAN 窗体底端 9 窗体顶端 What is the primary purpose of Layer 4 port assignment?本题考查的是端口号的作用 to identify devices o