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单选题
You have 100 segments in the USERS tablespace. You get an alert that the USERS tablespace is running low on space. You decide to shrink some segments. Which option would you use to determine which segments to shrink?（）
A
Segment Advisor
B
SQL Tuning Advisor
C
SQL Access Advisor
D
Segment Resource Estimation
E
Automatic Database Diagnostic Monitor (ADDM)
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资料：Early Experiences
If you've communicated a positive initial impression and customers decide to explore your product, can they discover the features and functions that help get them up to speed? Does your interface provide clear, streamlined paths free of unnecessary instructions, distracting visual elements, or unneeded features or functionality? Finally, how well does your product help customers get the benefits they want, or even lead them to benefits they were unaware of?
Testing helps determine if customers find the terminology clear and jargon-free; whether the page and content is organized logically from their perspective; if processes-such as registration, checkout or upgrading-are efficient and easy to use; and if it's clear how to cancel a process or navigate to a specific function or location.
Maturity
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Unless you test with actual users, your product team won't get a true perspective about what your product is like to use by the people who matter most the users themselves. This may seem obvious, but in many organizations, approximate customers-such as salespeople-are sometimes used to review products. After all, they have a lot of customer contact. But salespeople don't have the same motivations or context as customers. At best, this approach is risky. When you test with real users, usability tests ensure that all product stakeholders get a realistic, honest view of your product's effectiveness.
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单选题You have 100 segments in the USERS tablespace. You realize that the USERS tablespace is running low on space. You can use Segment Advisor to（）.A
add data files to the tablespace B
identify the segments that you should shrink C
modify the storage parameters for the tablespace D
automatically shrink the segments with unused space E
check the alerts generated for the tablespace that is running low on space
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单选题You have 100 segments in the USERS tablespace. You get an alert that the USERS tablespace is running low on space. You decide to shrink some segments. Which option would you use to determine which segments to shrink?（）A
Segment Advisor B
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identify the segments that you should shrinkB
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automatically shrink the segments with unused spaceD
check the alerts generated for the tablespace that is running low on space
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单选题Can I get you a drink?（）But I have already got oneA
That's very nice of youB
No, you don't have toC
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单选题You have an Exchange Server 2010 Mailbox server.You need to identify which users have the largest mailboxes on the server.What should you do？（）A
Run the Get-MailBoxStatistics cmdlet.B
Run the Get-StoreUsageStatistics cmdlet.C
Add the MSExchangeIS Client performance counters to the Performance Monitor.D
Add the MSExchangeIS Mailbox performance counters to the Performance Monitor.
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