干扰波
Which two of these are used in the selection of a root bridge in a network utilizing Spanning Tree Protocol IEEE 802.1D？ （） Designated Root Cost。 bridge ID priority。 max age。 bridge ID MAC address。 Designated Root Priority。 forward delay。
知识管理的编码策略又叫（） 显性策略。 隐性策略。 公共策略。 私人策略。
Which two multicast protocol statements are true？ （Choose two.） （） Dense mode multicast requires explicit join messages from their members.。 Dense mode multicast uses a push model to flood traffic throughout the network and then prunes the unwanted traffic.。 Sparse mode multicast uses a pull model to send multicast traffic to where it is requested. 。 Sparse mode uses reverse path forwarding （RPF） to prune off redundant flows.。 The primary use of sparse mode multicast is for test labs and router performance testing.。
环境化学效应
What is the encapsulation mode for MPLS running on Ethernet？（）
