Which command can be used to check the assignment of RPs to multicast groups？（） show ip pim rendez-vous。 show ip rpf rp mapping。 show ip pim rp mapping。 show ip pim rp info。 show ip pim。
工作面接近断层处应缩小（），加强支护。 柱距。 移架步距。 空顶距。 放顶步距。
各种津贴、补贴不按规定标准支付，管理人员（）。 红线。 通报批评。 失格。 降档。
大众体育是指大众为达到（）等目的，而进行的内容丰富、形式多样的体育活动。 健身。 健美。 医疗。 娱乐消遣。
Your company is researching a new application that runs over IPv6， but part of it must still have IPv4 support. Your company uses a traditional IPv4 network. Your plan is not to run IPv6 over the whole network， but to segment parts of the network or even to operate simultaneously with IPv6 and IPv4. You must make a brief presentation about IPv6 technology to the board of technical directors. Which three of these items could be part of your presentation？（） Tunnel IPv6 over IPv4 to connect far-end IPv6 networks.。 Explain why configuring IPv4 and IPv6 at the same time over the same LAN interface is not possible.。 Explain why configuring IPv4 and IPv6 at the same time over the same LAN interface is possible.。 What is the meaning of EUI-64 and how does it work？。 Tunnel IPv4 over IPv6 to connect far-end IPv4 networks.。
煤矿井下电气设备应具备体积小，重量轻，便于移动、外壳坚固及（）等性能。
