Which of the following answers can be verified as true based on the following command output from Router R1?() R1#show ip ospf virtual - links Virtual Link OSPF_VL0 to router 4.4.4.4 is up Run as demand circuit DoNotAge LSA alloweD. Transit area 1, via interface FastEthernet0/1, Cost of using 3 R1 is configured with an area 0 virtual - link 4.4.4.4 cost 3 command.。 The ping 4.4.4.4 command on R1 must currently be successful.。 R1's Fa0/0 OSPF cost is 3.。 4.4.4.4 is known to R1 based on a Type 1 LSA in area 1.。
Which statement is true if the doStartTag method returns EVAL_BODY_BUFFERED?() The tag handler must implement BodyTag.。 The doAfterBody method is NOT called.。 The setBodyContent method is called once.。 It is never legal to return EVAL_BODY_BUFFERED from doStartTag.。
起重机司机在工作前应对起重机各安全装置及主要部件进行仔细检查。
怎么在公司的网络1中安装一台WINS服务器,把网络1中员工的计算机配置成这台WINS服务器的WINS客户机?
关于雨期建筑地基基础工程施工技术的说法,正确的有() 基坑坡顶做1m宽散水、挡水墙,四周做混凝土路面。 土方开挖施工中,基坑内临时道路上铺渣土或级配砂石。 土方回填应避免在雨天进行。 锚杆施工时,如遇地下水坍塌,可采用注浆护壁工艺成槽。 CFG桩施工,槽底预留的保护层厚度不小于0.5m。
本工种应熟悉工作面顶底板特征掌握工作面片帮、冒顶的预防方法,了解矿山压力的显现规律,应会处理(),应熟悉作业规程规定的顶板控制方式。