世界各国普遍重视对宪法实施的保障,其根本原因是()
A. 宪法具有最高的法律效力
B. 宪法确认、维护统治阶级的根本利益
C. 宪法有严格的修改程序
D. 宪法规定了公民的基本权利和义务
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市政工程作为一种特殊的产品,有一些自己的特点,下列不属于其特点的是()
A. 适用性
B. 耐久性
C. 安全性
D. 结构性
重型轨道车每行驶2个定期保养里程或行驶满1年,必须对()进行一次探伤检查。
You have a server that runs Windows Server 2008. You need to prevent the server from establishing communication sessions to other computers by using TCP port 25. What should you do()
A. From Windows Firewall, add an exception
B. From windows Firewall enable the block all incoming connections option
C. From the Windows Firewall with Advanced Security snap-in, create an inbound rule
D. From the Windows Firewall with Advanced Security snap-in, create an outbound rule.
You are using an Automatic Storage Management (ASM) instance to manage the files of your production database. You have two disk groups, DG1 and DG2, with one device each. In the parameter file of the production database, the following parameters have been specified: DB_CREATE_ONLINE_LOG_DEST_1 = ’+dg1’ DB_CREATE_ONLINE_LOG_DEST_2 = ’+dg2’ What would be the impact of this setting?()
A. When a new log group is added, it would have one member in each disk group.
B. When a new log group is added, it would have two members in each disk group.
C. When a new tablespace is added, it would have one data file in each disk group.
D. When a new log file is added, it would have one member spread across the disk groups.