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【单选题】

As a database administrator you spend a lot of time observing and setting various storage parameter values for your application tables in order to gain performance benefits. Which task would you perform to reduce this overhead？（）

A、Coalesce the application tables at a regular interval.

B、Export and Import the application tables a regular interval.

C、Drop and recreate the application tables at a regular interval.

D、Move the application tables to a tablespace with less space usage.

E、Distribute the application tables across multiple tablespaces depending on usage.

F、Move the application tables to automatic segment space management tablespace.

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更多“As a database administrator you spend a lot of time observing and setting various storage parameter values for your application tables in order to gain performance benefits. Which task would you perform to reduce this overhead？（）”相关的问题
第1题
[单选题] You are responsible for a data warehouse application that uses records from an external table to update one of the dimension tables periodically. The records in the external table may contain data for new rows in the dimension table， or for updates to its existing rows. Which type of SQL command would you use to transfer the data from the external table to the dimension table as efficiently as possible？（）

A、MERGE  B、SELECT …CROSS JOIN  C、INSERT ALL …SELECT  D、CREATE VIEW …CONSTRAINT  

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第2题
[单选题] When a BGP router is not capable of understanding 4-byte AS numbers， it will see 4-byte AS numbers as a special， reserved， 2-byte AS number in the AS path. Which 2-byte AS number is this reserved one？（）

A、00000  B、12345  C、23456  D、65000  E、99999  

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第3题
[单选题] When a BGP router is not capable of understanding 4-byte AS numbers， it will see 4-byte AS numbers as aspecial， reserved， 2-byte AS number in the AS path. Which 2-byte AS number is this reserved one？（）

A、00000  B、12345  C、23456  D、65000  E、99999  

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第4题
[单选题] You issue the following command in Oracle: CREATE TABLESPACE DAT_TBS DATAFILE "dat_tbs.dbf" SIZE 2M;. Later queries against the database reveal that the tablespace is located in the /u01/oradata/oracle directory. Which of the following choices identifies how Oracle likely determined what directory to place dat_tbs.dbf file in?（）

A、DB_CREATE_FILE_DEST   B、DB_CREATE_ONLINE_LOG_1   C、DB_CREATE_ONLINE_LOG_2  D、The directory is an operating system-specific default value in Oracle that can neigher be specified manually nor changed  

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第5题
[简答题] 阅读下面的程序： 语句“ADD3 DAT0，DAT1，DAT2，DAT3”是一条什么类型的语句？作用是什么？

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第6题
[单选题] You are implementing an ASP.NET MVC 2 Web application that contains the following class.  Public Class DepartmentControllerInherits Controller   Shared departments As List（Of Department） =  New List（Of Department）   Function Index（） As ActionResultReturn View（departments）End Function   Function Details（ByVal id As Integer） As ActionResultReturn View（departments.Find（Function（x） x.ID = id））End Function   Function ListEmployees（ByVal d As Department） As ActionResultDim employees As List（Of Employee） = GetEmployees（d）Return View （employees）End FunctionEnd Class 

A、<%= Html.Action("ListEmployees", Model) %>   B、<%= Html.ActionLink("ListEmployees", "Department", "DepartmentController") %>   C、<% Html.RenderPartial("ListEmployees", Model) %>  D、<%= Html.DisplayForModel("ListEmployees") %>  

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第7题
[单选题] An&#8194;administrator&#8194;wants&#8194;to&#8194;have&#8194;the&#8194;flexibility&#8194;to&#8194;dynamically&#8194;move&#8194;a&#8194;fibre&#8194;channel&#8194;PCI&#8194;card&#8194;between&#8194;given&#8194;LPARs.&#8194;For&#8194;each&#8194;given&#8194;LPAR&#8194;how&#8194;should&#8194;they&#8194;add&#8194;the&#8194;PCI&#8194;card&#8194;to&#8194;the&#8194;LPAR&#8194;profile？（）&#8194;&#8194;

A、Add the fibre channel card as hared？Add the fibre channel card as ？hared？  B、Add the fibre channel card as irtual？Add the fibre channel card as ？irtual？  C、Add the fibre channel card as esired？Add the fibre channel card as ？esired？  D、Add the fibre channel card as equired？Add the fibre channel card as ？equired？  

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第8题
[单选题] Which&#8194;of&#8194;the&#8194;following&#8194;is&#8194;the&#8194;functional&#8194;description&#8194;of&#8194;a&#8194;server&#8194;connected&#8194;between&#8194;two&#8194;separate&#8194;IP&#8194;subnets？（）

A、 server as a bridge  B、 server as a router  C、 server as a switch  D、 server as a data link  

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第9题
[判断题] 注册表由“system．dat”和“user．dat”&#8194;两个文件组成，存放在Windows目录下。

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第10题
[单选题] Which&#8194;Internet&#8194;protocol&#8194;encrypts&#8194;and&#8194;decrypts&#8194;user&#8194;page&#8194;requests，&#8194;as&#8194;well&#8194;as&#8194;the&#8194;pages&#8194;that&#8194;are&#8194;returned&#8194;by&#8194;a&#8194;web&#8194;server&#8194;using&#8194;SSL？（）

A、NNTP  B、FTP  C、HTTP  D、HTTPS  

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