1个6/6/6配置基站需要两条2M传输，两条传输分别从1.3机柜入并同时级联2机柜，则从左到右3机柜的传输级联定义方式为：（）。

A:standalone、standalone、cascade B:cascade、standalone、cascade C:standalone、cascadstandalone D:cascade、cascade、standalone

关于三个MULTIDROP的机架且采用两对PCM，下面的IDB设置正确的是（）。

A:TEI：62、61、62PCM：CASCADED STANDALONE STANDALONE B:TEI：62、61、60PCM：CASCADED STANDALONE CASCADED C:TEI：62、61、62PCM：CASCADED STANDALONE CASCADED D:TEI：62、61、60PCM：CASCADED STANDALONE STANDALONE

Basically, a firewall is a (71) process or a set of integrated processes that runs on a router or (72) to control the flow of networked application traffic (73) through it. Typically, firewalls are placed on the entry point to a (74) Network such as the Internet. They could be considered traffic cops. The firewall’s (75) is to ensure that all communication between an organization’s network and the Internet conform to the organization’s security policies.

A:dependent B:isolated C:related D:standalone

某段XML代码如下所示。其中，根元素名为 (57) 。
＜xml version="1.0" encoding="GB2312" standalone="yes"＞
＜state coursename="成绩"＞
＜courseid id="090"＞＜/courseid＞
＜/state＞

A:xml B:state C:coursename D:courseid

在如下所示的一段 XML 代码中，根元素名为（） 。

A:xml B:state C:coursename D:courseid

Basically, a firewall is a (145) process or a set of integrated processes that runs on a router or (146) to control the flow of networked application traffic (147) through it. Typically, firewalls are placed on the entry point to a (148) network such as the Internet. They could be considered traffic cops. The firewall’s (149) is to ensure that all communication between an organization’s network and the Internet conform to the organization’s policies.

A:dependent B:isolated C:related D:standalone

Basically, a firewall is a (145) process or a set of integrated processes that runs on a router or (146) to control the flow of networked application traffic (147) through it. Typically, firewalls are placed on the entry point to a (148) network such as the Internet. They could be considered traffic cops. The firewall’s (149) is to ensure that all communication between an organization’s network and the Internet conform to the organization’s policies.

A:dependent B:isolated C:related D:standalone

在如下所示的一段 XML 代码中，根元素名为（） 。

A:xml B:state C:coursename D:courseid