微机在使用过程中,如果光驱出现读取不畅的现象,不宜采用的维修措施是()。 彻底拆装激光头、活动机构等内部部件。 适当调节激光头的输出功率。 调整激光头附近的电位器的阻值。 使用专门清洁盘对光驱进行清洁处理。
灌注水下砼,导管埋入砼的深度不合适的为() 0.5m。 3m。 6m。
For debugging purposes, you need to record how many times a given JSP is invoked before the user’ssession has been created. The JSP’s destroy method stores this information to a database. Which JSPcode snippet keeps track of this count for the lifetime of the JSP page?() <%! int count = 0; %><% if ( request.getSession(false) == null ) count++; %>。 <%@ int count = 0; %>. <% if ( request.getSession(false) == null ) count++; %>。 <% int count = 0;. if ( request.getSession(false) == null ) count++; %>。 <%@ int count = 0;. if ( request.getSession(false) == null ) count++; %>。 <%! int count = 0;. if ( request.getSession(false) == null ) count++; %>。
Refer to the exhibit. BigBids Incorporated is a worldwide auction provider. The network uses EIGRP as its routing protocol throughout the corporation. The network administrator does not understand the convergence of EIGRP. Using the output of the show ip eigrp topology all - links command, answer the administrator's questions. Which three EIGRP routes will be installed for the 172.17.3.128/25 and 172.17.2.0/24 networks?() 172.17.3.128.25 [90/28160] via 172.17.1 2,01:26:35, FastEthernet0/2。 172.17.3.128/25 [90/30720] via 172.17.3.2,01:26:35. FastEthemet0/3。 172.17.3.128/25 [90/3 0720] via 172.17.10.2,01:26:35. FastEthernet0/1。 172.17.2.0/24 [90/30720] via 172.17.10.2,02:10:11, FastEthernet0/1。 172.17.2.0/24 [90/28160] via 172.17.10.2,02:10:11. FastEthernet0/1。 172.17.2.0/24 [90/33280] via 172.17.3.2,02:10:11. FastEthernet 0/3。
明朝
船舶油淡水驶入半淡水时()