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?（） the amount of available ROM。 the amount of available flash and RAM memory。 the version of the bootstrap software present on the router。 show version。 show processes。 show running-config。
好氧堆肥法
Refer to the exhibit. Which statement is true about a voice VLAN？（） Physically the voice network and the data network are separate.。 The voice traffic will normally be on a different IP subnet than will the data traffic.。 End user intervention is necessary to place the phone into the proper VLAN.。 The same security policy should be implemented for both voice and data traffic.。 The data VLAN must be configured as the native VLAN.。
what’s the role of community attribute in the bgp route？
气缸总容积
美国著名现代建筑家（）设计了“流水别墅”。
