【多选题】The original commercial version of Ethernet supported 10 Mbps bandwidth; the version introduced in the early 1990s supports 100 Mbps; and in 1998, Gigabit Ethernet was introduced. All versions use the...
A.
Ethernet works at the Data Link and Physical layers of the OSI model, and upgrades to newer, faster versions of Ethernet can be made by changing only the components that work at these layers.
B.
Ethernet spans several layers and requires a new protocol stack to upgrade to new versions.
C.
Changes in technology at one layer of the OSI model don’t usually affect the operation of other layers.
D.
Ethernet isn’t considered a scalable technology.
【单选题】可以承受不大的单方向的轴向力,上、下两工作面的联接是()。
【单选题】可以承受不大的单方向的轴向力,上、下两面是工作面的连接是()。
【单选题】约翰逊依据入选材料的性质不同,将档案袋分为最佳成果型、精选型和()。
【多选题】某企业对其生产用设备向某保险公司投保,后因人为原因,该设备价值受到较大的损失,该企业即向保险公司索赔,由于双方对保险合同条款的理解有分歧,遂引发诉讼。则拥有管辖权的有( )。
【多选题】Before installing a new, upgraded version of the IOS, what should be checked on the router, and which command should be used to gather this information? ()
A.
the amount of available ROM
B.
the amount of available flash and RAM memory
C.
the version of the bootstrap software present on the router
【单选题】可以承受不大的单方向的轴向力,上下两面是工作面的联接是( )联接。
【判断题】狭义的绿色营销是指企业营销活动中体现的社会价值观、伦理道德观,充分考虑社会效益和生态效益,自觉维护自然生态平衡和环境友好、自觉抵制各种有害营销
【单选题】可以承受不大的单方向轴向力,上下两面是工作面的联接是( )。