For Ethernet-to-Ethernet routers, such as the Cisco 831 behind a cable modem or DSL bridge, a traffic shaper is configured. This is required since the output 10-Mbps interface will not be congested. Which two statements are true?（） The parent policy-map shapes and the child policy-map queues.。 The mean-rate and burst-size must always be the same value.。 This will not work without a Dialer interface configured.。 The shaper provides congestion feedback.。
在碎石多岩地区其外型也可根据地形设置。环形接地体每边长一般为10~20m。辐射型接地体的长度宜（）m，其走向为联合地网向外辐射方向，它也可在铁塔地网上敷设，在辐射型接地体终端附加垂直接地体。 10~20。 20~30。 30~40。 40~50。
（）的《百合花》取材于战争生活而不写战争场面，涉及重大题材而不写重大事件。
构成疏忽侵权应具备哪些条件？
You have issued a SHUTDOWN ABORT command to bring down your database instance. Considerthe steps that will be performed later when you open the database： 1：SGA is allocated. 2：Control file is read. 3：Redo log files are read. 4：Instance recovery is started. 5：Background processes are started. 6：Data files are checked for consistency. 7：Server parameter file or the initialization parameter file is read. Which option has the correct order in which these steps occur（） 7，1，5，2，3，6，4。 1，2，3，7，5，6，4。 7，1，4，5，2，3，6。 1，7，5，4，2，3，6。
水泥砂浆防水层施工时为防止空鼓，基层质量应符合下列规定（）。
