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【单选题】
下列不属于水准测量工作中的检核手段的是( )。A.
测站检核
B.
计算检核
C.
成果检核
D.
仪器检核
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举一反三
【单选题】You are responsible for managing the database schema for an order entry application in a SQL Server 2005 database. After a design review， a member of the development staff asks you to add a new column...
A.
Create an INSERT trigger to assign the default value to each item in the table.
B.
Create a CHECK constraint to validate the data and to assign the default value to each item in the table.
C.
Create an UPDATE trigger to update the default value for each new item in the table.
D.
Create a DEFAULT constraint to assign the default value specifying the WITH VALUES argument.
【简答题】架空线路由 、电杆、 和线路金具等主要元件组成。
【单选题】Click the Exhibit button. In the exhibit, two physical routers are configured for VRRP in the network with WXC devices. How should you define the default gateway address on each WXC device?（）
A.
Define the virtual router IP address on both WXC devices.
B.
Add a static route for the virtual router IP address on both WXC devices.
C.
Define the physical IP address of each router on each respective WXC device.
D.
Leave the default gateway field in the WXC device blank; it will automatically detect the active gateway address.
【简答题】架空线路由 、 、 和线路金具等主要元件组成。
【简答题】架空线路由导线、电杆、 和线路金具等主要元件组成。
【简答题】架空线路由导线、避雷线、 、 和金具等构成。
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