单选题
显示交换表命令的使用方法，在交换机的超级用户模式下，大中型交换机输入命令( )。
题目答案
B
您的答案
答案解析
暂无解析
Fatal error: Uncaught Error: Call to a member function query() on null in F:\duqu8.com\SaxueFrame\common\funarticle.php:16 Stack trace: #0 F:\duqu8.com\SaxueFrame\common\funarticle.php(51): formatContent('<p>\xE7\xBD\x91\xE7\xBB\x9C\xE8\xBF\x9E\xE6\x8E\xA5...', Object(blockquestionlist)) #1 F:\duqu8.com\SaxueFrame\blocks\block_questionlist.php(107): formatQuestion(Array, Object(blockquestionlist)) #2 F:\duqu8.com\SaxueFrame\lib\template\template.php(640): blockquestionlist->setcontent(true) #3 F:\duqu8.com\SaxueFrame\data\compiled\templates\pc\question.detail.html.php(350): saxue_get_eloop(Array) #4 F:\duqu8.com\SaxueFrame\lib\template\template.php(329): include('F:\\duqu8.com\\Sa...') #5 F:\duqu8.com\SaxueWeb\detail.php(81): saxuetpl->fetch('F:/duqu8.com/Sa...') #6 {main} thrown in F:\duqu8.com\SaxueFrame\common\funarticle.php on line 16