笔记本连不上无线局域网。以下哪些说法可能正确（） SSID不匹配。 安全保密不匹配。 存在射频信号干扰。 笔记本驱动需要升级支持新的无线协议。。
进给量和切削深度增大，刀具耐用度下降，两者的影响程度是相同的。
Your network consists of a single Active Directory domain and a single subnet. The network is not connected to the Internet. All servers run Windows Server 2003 Service Pack 2 (SP2). All client computers run Windows XP Professional Service Pack 3 (SP3). You have a DHCP server named Server1. All client computers receive their IP configurations from Server1. You implement a new server named Server2. You connect Server2 to the internal network and the Internet. You then configure Server2 as a network address translation (NAT) router. From a client computer, you discover that you cannot access any Internet servers. From Server2, you verify that you can access Internet servers and internal servers. You need to ensure that all internal computers can access Internet servers. What should you do?（） On Server2, add a new route. 。 On Server1, create a multicast scope. 。 On Server1, add the Router scope option. 。 On Server2, modify the default gateway address.。
Which two statements are true about using the isUserInRole method to implement security in a Java EEapplication？（） It can be invoked only from the doGet or doPost methods.。 It can be used independently of the getRemoteUser method.。 Can return "true" even when its argument is NOT defined as a valid role name in the deployment descriptor.。 Using the isUserInRole method overrides any declarative authentication related to the method in which it is invoked.。
批评家应具有哪些心理特征？
You are designing DNS implemetation Strategy for the new Infrastruce. Which two actions should you perform?（）
