Which two of the addresses below are available for host addresses on the subnet 192.168.15.19/28?（） ["192.168.15.17","192.168.15.14","192.168.15.29","192.168.15.16","192.168.15.31","None of the above"]
阴极工作面
You are the systems engineer for your company. The company has a main office in Los Angeles and two branch offices， one in Chicago and one in New York. The offices are connected to one another by dedicated T1 lines. Each office has its own local IT department and administrative staff. The company network consists of a single Active Directory domain. All servers run Windows Server 2003. All client computers run Windows XP Professional. All servers support firmware-based console redirection by means of the serial port. The server hardware does not support any other method of console redirection and cannot be upgraded to do so. The company is currently being reorganized. The IT departments from each branch office are being relocated to a new central data center in the Los Angeles office. Several servers from each branch office are also being relocated to the Los Angeles data center. Each branch office will retain 10 servers. A new written security policy includes the following requirements： • All servers must be remotely administered for all administrative tasks. • All servers must be administered from the Los Angeles office. • All remote administration connections must be authenticated and encrypted. Your current network configuration already adheres to the new written security policy for day-to-day server administration tasks performed on the servers. You need to plan a configuration for out-of-band management tasks for each office that meets the new security requirements. Which three actions should you take？（） [" Connect each server’s serial port to a terminal concentrator. Connect the terminal concentrator to the network."," Connect a second network adapter to each server. Connect the second network adapter in each server to a separate network switch. Connect the management port on the switch to a WAN port on the office router. Enable IPSec on the router."," Enable Routing and Remote Access on a server in each branch office， and configure it as an L2TP\/IPSec VPN server. Configure a remote access policy to allow only authorized administrative staff to make a VPN connection."," On each server， enable the Telnet service with a startup parameter of Automatic. Configure Telnet on each server to use only NTLM authentication. Apply the Server （Request Security） IPSec policy to all servers."," On each server， enable Emergency Management Services console redirection and the Emergency Management Services Special Administration Console （SAC）."]
You have a file server named Server1 that runs Windows Server 2003 Service Pack 2 (SP2). You use Windows Backup to back up Server1. You need to view all the backup jobs that are scheduled to run on Server1. What should you do? （） [" From Administrative Tools, run Services."," From Administrative Tools, run File Server Manager."," From Windows System Tools, run Scheduled Tasks."," From Windows System Tools, run System Information."]
根据《标准施工招标文件》，关于施工合同变更及管理的说法，正确的有（）。 ["在合同履行过程中，承包人对发包人提供的图纸可提出书面变更建议","承包人在收到监理人作出的变更指示后，应按变更指示进行变更工作","在合同履行过程中，监理人可随时向承包人作出变更指令","采用计日工计价的任何一项变更工作，按合同约定列入措施项目清单结算款中","承包人应该在收到变更指示的14天内向监理人提交变更报价书"]
数据库处理技术经历了人工管理、（）、（）以及分布文件系统数据库管理等四个发展阶段。
