钢常用的热处理方法有（）。 ["普通热处理","表面热处理","渗碳","化学热处理","碳氮共渗"]
You have just created a new VLAN on your network for inter-VLAN routing. What is one step that you should include in your VLAN-based implementation and verification plan？（） ["Verify that different native VLANs exist between two switches for security purposes.","Verify that the switch is configured to allow for trunking on the switch ports.","Verify that each switch port has the proper IP address space assigned to it for the new VLAN. ","Verify that the VLAN virtual interface has been correctly created and enabled."]
汽油发动机点火示波器是一种用来检测、诊断点火系技术状况的仪器。一般由示波器、传感器和（）组成。 ["电流电路","交流电路","电子电路","混合电路"]
一旦把内部网络中的计算机配置成为Web代理客户端，它们将只能够把本地用户访问Internet的（）对象的请求提交给ISAServer，由ISA Server代为转发。 ["HTTP","SNMP","Ping","PPTP"]
下列铝合金门窗的固定方式中，适用于砖墙结构的固定方式有（） ["预埋件连接","金属膨胀螺栓固定","连接件焊接连接","燕尾铁脚连接","射钉固定"]
借助扫描仪、数码相机等输入设备，可以将纸质文稿输入计算机并存储为图像信息，利用（）技术可以将图像文字信息转化为文本文字信息，以便在计算机中进行编辑和处理。
