足球比赛中,防守一方踢或触球,使球的整体从本方端线越出时,应由对方队员踢罚()恢复比赛。 任意球。 角球。 球门球。 界外球。
Which three statements about bidirectional PIM are true?() Traffic for a bidirectional group flows along the one shared tree and simultaneously utilizes multiple paths in a redundant network topology。 It does not require any traffic signaling in the protocol。 Membership to a bidirectional group is signaled using explicit Join messages。 It maintains source-specific forwarding state。 It reduces memory, bandwidth, and CPU requirement。
TDM电路仿真技术分为() 非结构化仿真模式(SAToP)。 结构化仿真模式(CESoPSN)。 SDH。
how many neighbor commands required for establish ibgp peers in 4 routers?
国标规定,全脂乳粉脂肪不低于() 20-25%。 26%。 30-35%。
可以作为我们评估教育政策“有效”的标准是()。