Which of the following is a characteristic of a data center core?（） Server-to-server traffic always remains in the core layer.。 The recommended practice is for the core infrastructure to be in Layer 3.。 The boundary between Layer 2 and Layer 3 should be implemented in the aggregation layer.。 The Cisco Express Forwarding hashing algorithm is the default, based on the IP address and Layer 4 port.。 Core layer should run BGP along with an IGP becauseiBGP has a lower administrative distance than any IGP.。
What are two steps that are taken when a router converts a voice signal from analog to digital form？（） sampling。 packetization。 quantization。 serializatio。
塔式起重机固定式照明装置的电源电压不应超过（） 36V。 110V。 220V。
某项目进口一批工艺设备，抵岸价为1792.19万元，其银行财务费为4.25万元，外贸手续费18.9万元，关税税率为20%，增值税税率为17%，该设备无消费税，则该批进口设备的到岸价为（）万元。 1045。 1260。 1291.27。 747.19。
如何实施素质教育？
泰戈尔的身份除是一位作家，还是一位（）。
