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【单项选择题】

Making data appear to come from somewhere other than the originating point is known as： （）

A、A.social engineering

B、B.spoofing

C、C.hacking

D、D.cracking

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更多“Making data appear to come from somewhere other than the originating point is known as： （）”相关的问题
第1题
[单选题] The DB_BLOCK_CHECKING initialization parameter is set to TRUE. What would be the result of this setting on the data blocks being written to the datafiles， every time the DBWn writes？（）

A、The Oracle database will check all data blocks by going through the data on each block， making sure the data is self-consistent.  B、DBWn and the direct loader will calculate a checksum and store it in the cache header of every data block when writing it to disk.  C、The Oracle database will check data blocks belonging to the SYSTEM tablespace only， by going through the data on each block， making sure the data is self-consistent.  D、The Oracle database will check data blocks belonging to the SYSAUX tablespace only， by going through the data on each block， making sure the data is self-consistent.  E、The Oracle database will check data blocks in the SYSTEM and SYSAUX tablespaces only， by going through the data on each block， making sure the data is self-consistent  

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第2题
[] The DB_BLOCK_CHECKINGinitialization parameter is set to TRUE. What would be the result of this setting on the data blocks being written to the datafiles， every time the DBWn writes？（）

A、A. The Oracle database will check all data blocks by going through the data on each block， making sure the data is self-consistent.  B、B. The DBWn and the direct loader will calculate a checksum and store it in the cache header of every data block when writing it to disk.  C、C. The Oracle database will check data blocks belonging to the SYSTEM tablespace only， by going through the data on each block， making sure the data is self-consistent.  D、D. The Oracle database will check data blocks belonging to the SYSAUX tablespace only， by going through the data on each block， making sure the data is self-consistent.  E、E. The Oracle database will check data blocks in the SYSTEM and SYSAUX tablespaces only， by going through the data on each block， making sure the data is self-consistent.  

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第3题
[单选题] You are using flat files as the data source for one of your data warehousing applications. You plan to move the data from the flat file structures to an Oracle database to optimize the application performance. In your database you have clustered tables. While migrating the data， you want to have minimal impact on the database performance and optimize the data load operation. Which method would you use to load data into Oracle database？（）

A、use the external table population  B、use the Oracle Data Pump export and import utility  C、use the conventional path data load of SQL*Loader utility  D、use the direct path data load of Oracle export and import utility  

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第4题
[单选题] A major difference between archiving and backing up data is that data backups：（）

A、contain data removed from the server.  B、contain data that still resides on the server.  C、are stored with the servers.  D、are stored securely.  

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第5题
[单选题] A system has a mirrored data volume group that has a filesystem /data of 10 logical partitions.  How many physical partitions will the filesystem have？（）

A、1  B、2  C、10  D、20  

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第6题
[单选题] You work in a company which is named Wiikigo Corp. The company uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. You are going to use the data collector to gather performance data periodically on all instances. You must store all collected data in the same database. This database is hosted on a single instance. Every five hours, you have to collect and load performance data in the management data warehouse. Whi

A、You should create a cached data collection   B、You should create an on-demand non-cached data collection   C、You should create a scheduled non-cached data collection.   D、You should create two different SQL Agent jobs. The two jobs are scheduled at the same time. One job uploads the data collection and the other job creates a data collection.  

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第7题
[单选题] You work as an administrator at ABC.com. The ABC.com network consists of a single domain named ABC.com. All servers in the ABC.com domain have Windows Server 2012 R2 installed. You have logged on to a server， named ABC-SR07， and would like to obtain the IP configurations of a server， named ABC-SR13.Which of the following actions should you take？（）

A、You should consider making use of the Winrs.exe command.  B、You should consider making use of the Winsat.exe command.  C、You should consider making use of the Winpop.exe command.  D、You should consider making use of the Dsrm.exe command.  

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第8题
[单选题] Data deduplication ratios depend on many factors. However， deduplication ratios are generallygreater for what type of data？（）

A、encrypted data  B、compressed data  C、archive data  D、multiplexed data streams  

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第9题
[单选题] Windows Communication Foundation （WCF） application uses a data contract that has several data members. You need the application to throw a Serialization Exception if any of the data members are not present when a serialized instance of the data contract is deserialized. What should you do？（）

A、 Add the Known Type attribute to the data contract.Set a default value in each of the data member declarations.  B、 Add the Known Type attribute to the data contract.Set the Order property of each data member to unique integer value.  C、 Set the Emit Default Value property of each data member to false.  D、 Set the Is Required property of each data member to true.  

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