建构主义学习理论的现实意义。
For the accompanying router output, which of the following statements describes the stat e that neighbor 172.16.254.3 is in?() The router will not accept connections from the peer.。 BGP can exchange routing information in this state.。 The router is listening on its server port for connection requests from the peer.。 The router ha s sent out an active TCP connection request to the peer.。
群落从发生向顶级阶段的演替具有一定的规律,即总是由()向()演替,这一系列的演替过程就是一个演替系列。
Which IOS user EXEC command will allow a network technician to determine which router in the path to an unreachable network host should be examined more closely for the cause of the network failure?() TestKingB> telnet。 TestKingB > ping。 TestKingB > trace。 TestKingB > show ip route。 TestKingB > show interface。 TestKingB > show cdp neighbor。
属于资本市场业务的是()。 短期票据市场。 贴现市场。 短期信贷市场。 中长期信贷市场。
全党要克服精神懈怠的危险、能力不足的危险、()的危险、消极腐败的危险。