You have an Exchange Server 2010 server named Server1.Server1 has a single mailbox database named DB1.You configure deleted items to be retained for 30 days.You need to ensure that each item that passes the retention period is removed daily between 2：00 and 6：00. What should you do？（） ["Run the Set-RetentionPolicy cmdlet.","Run the Start-ManagedFolderAssistant cmdlet.","Modify the maintenance schedule for DB1.","Modify the messaging records management （MRM） schedule for Server1."]
目前我国水泥的散装率只有（），同世界工业化发达国家水泥散装率（）以上的比例相差很大。 ["10%，90%","20%，80%","30%，70%","30%，90%"]
在职业生涯规划中需要对组织进行分析，组织分析包括（）。 ["组织在本行业中的地位和发展前景","组织产品在市场上的发展前景","组织的发展领f或","组组文化"]
陈旭麓在《中国近代史》中指出：1901年以后的10年间，民族资本的投资范围比以前更加广泛。除棉纺织业和缫丝业外，面粉、肥皂、烟草、电灯、锅炉、铅笔、工矿等行业都陆续成为民族资本投资的对象。在这10年间，民族资本投资于轮船公司，资本在5万元以上的就有17家之多。这说明（）。 ["政府引导民问投资轻工业","轻工业重工业均有所发展","民间投资以交通业为重点","轻重工业比例渐趋于合理"]
Given that you have a class B IP address network range, which of the subnet masks below will allow for 100 subnets with 500 usable host addresses per subnet?（） ["255.255.0.0","255.255.224.0","255.255.254.0","255.255.255.0","255.255.255.224"]
摩尔比
