Evaluate these two SQL statements: SELECT last_name, salary , hire_date FROM EMPLOYEES ORDER BY salary DESC; SELECT last_name, salary, hire_date FROM EMPLOYEES ORDER BY 2 DESC; What is true about them? （） The two statements produce identical results.。 The second statement returns a syntax error.。 There is no need to specify DESC because the results are sorted in descending order by default.。 The two statements can be made to produce identical results by adding a column alias for the salary column in the second SQL statement.。
An administrator is applying a corrective service to their HMC. The corrective service has been shipped on 3 DVDs. Which action will ensure the corrective service is correctly installed？（）
幼儿园公共关系是一种管理职能，在幼儿园工作中发挥着内促团结、外求发展的重要作用，幼儿园公共关系的核心是幼儿园与（）的关系。 与教职工。 与家长。 与社区。 与姊妹园。
不能燃烧的永久气体共有（）种。 17。 11。 9。 4。
A customer uses an IBM xSeries x366. They experienced downtime when the NIC failed earlier this year. Their Windows 2003 server needs to be accessible all the time， at the highest speed possible. Two adapters are currently installed in the x366. Which of the following is the procedure to obtain the best performance and ensure network functionality in case of NIC failure？（） Install four NICs and configure load balancing adapter teaming.。 Install four NICs and configure adapter failover teaming.。 Install seven NICs and configure load balancing adapter teaming.。 Install one extra NIC to team with the internal adapter and configure failover teaming.。
施工单位在近（）的，不得独立中标承建大型水电站主体工程的施工任务。
