汇流排横断面中轴线应垂直于所在处的轨道平面,偏斜不大于2度。
A. 正确
B. 错误
在对注射模的型腔与分流道布置时,最好使塑件和分流道在分型面上总投影面积的几何中心和锁模力中心()。
A. 重合
B. 相交
C. 平行
D. 垂直
数控编程人员要加强工艺、刀具和夹具知识的学习,掌握()技术,合理选择刀具、夹具及切削用量等,将工艺等知识融人程序,以提高编程质量。
A. 工艺编制
B. 数控加工
C. 数控编程
D. 切削加工
You are a network administrator for your company. The company has a main office and one branch office. The network consists of a single Active Directory domain. All servers run Windows Server 2003. The company needs to connect the main office network and the branch office network by using Routing and Remote Access servers at each office. The networks will be connected by a VPN connection over the Internet. The company’s written security policy includes the following requirements for VPN connections over the Internet: All data must be encrypted with end-to-end encryption. VPN connection authentication must be at the computer level. Credential information must not be transmitted over the Internet as part of the authentication process. You need to configure security for VPN connection between the main office and the branch office. You need to comply with the written security policy. What should you do? ()
A. Use a PPTP connection with EAP-TLS authentication.
B. Use a PPTP connection with MS-CHAP v2 authentication.
C. Use an L2TP connection with EAP-TLS authentication.
D. Use an L2TP connection with MS-CHAP v2 authentication.