SELECT cust_last_name, cust_credit_limit FROM customers ORDER BY cust_credit_limit DESC
SELECT cust_last_name, cust_credit_limit FROM customers ORDER BY cust_credit_limit
SELECT cust_last_name, cust_credit_limit FROM customers ORDER BY cust_credit_limit NULLS LAST
SELECT cust_last_name, cust_credit_limit FROM customers ORDER BY cust_last_name, cust_credit_limit NULLSLAST
第1题：
A crew list is a piece of paper which shows ______.
A.all names of crew members on board
B.all crew member's lists on board
C.all paper of crew members on board
D.all names of lists for the crew on board
第2题：
Why would you execute the report obsolete command？（）
第3题：
When you meet a group of people, it is better to remember __
A. all their names B. a couple of names first
C. just their last names D. as many names as possible
第4题：
You have a server that runs Windows Server 2003 Service Pack 2 （SP2）.You need to get a list of all the open connections on the server and all the port numbers used by the connections. Which tool should you use？（）
第5题：
You need to generate a report that lists all of the computers in the domain that can be converted to Hyper-V hosts. The solution must meet the company’s business requirements. What should you use to generate the report？（）
第6题：
The backup retention policy is configured as RECOVERY WINDOW 2. You executed the following command in Recovery Manager （RMAN） against your database： RMAN> REPORT OBSOLETE； What would you see in the output？（）
第7题：
You issue the following command on the RMAN prompt. RMAN> REPORT NEED BACKUP DAYS = 5 DATABASE； Which statement is true about executing this command？（）
第8题：
Your network consists of a single Active Directory domain.The domain contains more than 300 group objects. The group objects are divided between several regional organizational units (OUs).You need to create a list of all groups that have names that begin with the word Sales.Which command should you use? （）
A. Dsget group
B. Dsquery group
C. Netdom query
D. Net group
第9题：
You have an Exchange Server 2010 organization named contoso.com. The organization contains two Client Access servers named CAS1 and CAS2 that are in a Client Accessserver array. All internal and external users connect to their mailboxes by using mail.contoso.com. You need to install a certificate on the Client Access servers to meet the following requirements：.Support 500 client computers that are not joined to the Active Directory domain .Support clients that use Microsoft Office Outlook in Cached Exchange Mode， Autodiscover， andExchange ActiveSync .Minimize client and user support costs What should you do？（）
第10题：
Your network consists of a single Active Directory domain. The domain contains more than 300 group objects. The group objects are divided between several regional organizational units (OUs). You need to create a list of all groups that have names that begin with the word Sales. Which command should you use? （）