假设FTP层的下行ROUND TRIP TIME为2秒左右，TCP窗口8500字节，一个时隙的传输速率为11KBIT/S，在可以提供8个PDCH的情况下，可达到的最大平均速率为（）
If you want to book a round-trip ticket,you'll have to pay__$30.A.more B.other C.the other D.another
点击查看答案
A round trip flight from Britain to Australia produces the same amount of carbon dioxide as three average cars do in a year.A.Right B.Wrong C.Not mentioned
Retransmission time can be made（75） by basing it on the round-trip time （RTT）. Several formulas are used for this purpose.A.long B.short C.fixed D.dynamic
Which option is true when calculating round-trip delay in IP SLA operations？（）A、The processing time on the end routers is only assessed for operations that involve the responder.B、The processing time on the end routers is only assessed for operations that involve the transmitter.C、The processing time on the end routers is only assessed for operations that involve both the responder and the transmitter.D、The processing time on the end routers is not assessed for neither the responder nor the transmitter.
变量v_time=’23-MAY-00’， 如下那条语句返回值为’01-JAN-00’？（）A、select round（v_time，’DAY’） from dualB、select round（v_time，’YEAR’） from dualC、select round（v_time，’MONTH’） from dualD、A select round（to_char（v_time，’yyyy’）） from dual
下列说法中（）是正确的A、C-Plane Latency shows the idle to active transition time the end user may experience to setup a service./控制面时延反映了用户为建立业务而从空闲模式到激活模式经历的时间B、U-Plane shows the PING round trip time in the end to end communication/用户面时延反映了端到端通信中PING包的环回时间C、Peak DL Cell Throughput shows the average throughput the cell can reach in downlink, on the application layer./小区下行峰值吞吐量反映了该小区下行方向可以达到的应用层平均吞吐量D、Attach Time shows the connection time for an end user to attach to the network, during which the activation of a default bearer is performed./Attach时间反映了用户Attach到网络所需的连接时间，其间将激活默认承载
假设变量二36.736789，则？ROUND（a，2）的结果为（）。A、36.74B、36.7367C、36D、37
