Your network consists of a single Active Directory domain. You have two file servers named Server1 and Server2 that run Windows Server 2003 Service Pack 2 (SP2). Both servers have a shared folder named Data. You have a computer named Computer1 that runs Windows XP Professional Service Pack 3 (SP3). From Computer1, you view the properties of \\server1\data and discover a Previous Versions tab. From Computer1, you view the properties of \\server2\data and discover that the Previous Versions tab is missing. You need to ensure that you can access previous versions of files from \\server2\data. What should you do? （） On Server2, enable Shadow Copies for all volumes.。 On Server2, create an Automated System Recovery (ASR) backup.。 Assign your user account the Full Control share permission to \\server2\data.。 On the Customize tab in the \\server2\data properties, click Restore Default.。
转炉煤气回收过程中的RD阀自动跟踪转炉炉口微差压，实行20Pa微正压操作，活动烟罩外侧采取（）密封，避免空气被吸入烟罩。 氮气。 蒸汽。 空气。 氧气。
You have an Exchange Server 2010 organization. Your companys compliance policy states that the following occurs when a user leaves the company：.The user account is disabled .The user account and mailbox are deleted after six months .All e-mail messages in the mailbox are retained for three years You need to recommend a solution to retain the e-mail messages of users who leave the company.The solution must meet the following requirements： .Ensure that a group named Group1 can manage the process .Minimize disk space required to store the mailbox databases What should you recommend？（） Assign the Mailbox Search management role to Group1， and then create a retention policy.。 Assign the Mailbox Search management role to Group1， and then create a managed folder mailbox policy.。 Assign the Mailbox Import Export management role to Group1， and then configure Personal Archives for each mailbox.。 Assign the Mailbox Import Export management role to Group1， and then instruct Group1 to export mailboxes to personal folder （.pst） files.。
SEO常用术语中，沙盒效应是指：（） 一个新建立的网站在刚上线的一个或几个月内，在搜索引擎上很难有好的排名，甚至没有排名。。 指Google搜索引擎数据库每月一次的大规模升级。。 采用搜索引擎所禁止的方法，对网站在搜索引擎的排名进行优化。。 采用合理的SEO行为优化网站，提高用户的体验，合理与其他网站建立互联，从而使网站在搜索引擎排名的稳步提升。。
穿墙螺栓一般设置在大模板的上、中、下三个部位，上穿墙螺栓距模板顶部250mm右右，下穿墙螺栓距模板底部（）mm左右。 100。 200。 250。 300。
下列不属于氧化镍矿湿法冶金的方法是（）
