An administrator needs to explain to management why updates are needed for the server. Whichof the following is the BEST explanation to give？（） A: The updates guarantee that the server will work smoothly. B: The updates show management that IT is working diligently. C: The updates address driver and security issues. D: The updates are needed to allow the system monitoring agents to connect to the system.

I could check out his updates on weibo. What does “check out” mean in the above sentence?

智慧职教: I could check out his updates on Weibo. 句中check out 的意思是____

Which of the following is a valid source for Windows operating system updates？（） A: SNA B: RIS C: RAS D: WSUS

RIP advertisements typically announce the number of hops to various destinations. BGP updates, on the other hand, announce the __________ to the various destinations.

Bitmap indexes are best suited for columns with;() A: High selectivity B: Low selectivity C: High inserts D: high updates

Indexes should NOT be used on ( ). A: small tables B: tables that have frequent, large batch updates or insert operations C: columns that are frequently manipulated D: highly-selective filter columns

中国大学MOOC: 在Taylor & Francis电子期刊数据库检索结果的一篇文献的引证文献界面，我们可以通过”Subscribe to Citation Updates”进行（ ）。

3. There are various reasons for high college tuition, but which reason is NOT mentioned in the news? A: the rising consumer price index. B: competitive salaries of faculties among schools. C: the demand of more professors to keep class sizes small. D: constant updates of teaching facilities for students and faculty.

C21 A: She could barely respond to all her 500 Facebook friends. B: She spent more time updating her friends than her family. C: She could barely balance Facebook updates and her work. D: She didn’t seem to be doing as well as her Facebook friends.