You want to configure your Windows 2000 Professional computer to remotely access your company's Windows 2000 Routing and Remote Access server. You configure a VPN connection. For security purposes, you configure the VPN connection to use MS-CHAP v2 only and to require encryption. You also configure TCP/IP to obtain an IP address automatically, to enable IPSec, and to set IPSec to Secure Server. When you try to connect, you receive the following error message, "The encryption attempt failed because no valid certificate was found." What should you do to connect to the server? （） Enable the VPN connection to use MS-CHAP.。 Change the data encryption setting toOptional Encryption.。 Specify a TCP/IP address in theNetworkproperties.。 Change the IPSec policy setting toClient.。
减少内燃机机械损失的措施有（）。 适当降低点火提前角。 提高发动机转速。 降低发动机转速。 提高润滑油黏度。 降低润滑油粘度。 降低发动机负荷。
在Photoshop CS2中，要使选中的图层对齐，应使用菜单命令（）。
与意志自制性品质相反的不良品质是（） 任性和怯懦。 优柔寡断和草率从事。 盲从和独断。 顽固和执拗。
A new building has been added to the enterprise campus network， providing client access for desktop PCs， laptops， and IP phones for employees and guests. During verification， only a few laptops using wireless are reported to have problems， while other desktops， IP phones， and most other wireless laptops are fully operational. Additional information received about the problem indicates that， while the problematic wireless laptops cannot reach internal corporate websites， they can reach the Internet. Where should troubleshooting about this connectivity issue be focused？（） client network configuration。 VLAN mapping。 routing protocols。 first-hop redundancy protocol。
货物亏舱的大小一般与（）无关。
