双倍余额递减法的特点是（）。 折旧率固定。 折旧基数固定。 计提折旧基数不断减少。 年折旧额不断减少。
集装箱海运出口托运时，关于场站收据，下列表述正确的有（）。 是堆场或货运站收货的凭证。 是划分承、托双方责任的重要依据。 是发货人凭以换取提单的唯一凭证。 是承运人通知装运船舶接货装船的命令。
根据刑事诉讼法的规定，法院在必要时可以会同公安机关执行的判决是（）。 管制。 剥夺政治权利。 没收财产。 罚金。
You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a database named DB1 in the instance. TheDB1 database includes spatial data types. On DB1 databse, you have to perform a database consistency check to include the spatial indexes. Besides this, you must make sure that you can reduce the effect on the database concurrency to the least. So which Transact-SQL statement should you run? （） DBCC CHECKCATALOG (DB1); 。 DBCC CHECKALLOC (DB1) WITH TABLOCK; 。 DBCC CHECKDB (DB1) WITH TABLOCK, PHYSICAL_ONLY; 。 DBCC CHECKDB (DB1) WITH EXTENDED_LOGICAL_CHECKS;&e。
You are developing a Windows Communication Foundation (WCF) service that must be discoverable.You need to ensure that the ServiceHost instance supports multiple discovery versions. What should you do?（） - Specify a unique DiscoveryVersion parameter for each endpoint constructor. - Use the same value for the Address property of each endpoint.。 - Use the endpoint constructor without the DiscoveryVersion parameter. - Use a unique value for the Address property of each endpoint.。 - Specify a unique DiscoveryVersion parameter for each endpoint constructor. - Use a unique value for the Address property of each endpoint.。 - Use the endpoint constructor without the DiscoveryVersion parameter. - Use the same value for the Address property of each endpoint.。
You have a windows server 2008 compute that has an IP address of 172.16.45.9/21. The server is configured to use ipv6 addressing. You need to test IPv6 communication to a server that has an ip address of 172.16.40.18/21, what should you do from a command prompt?（）
