填空题Which program finds only files that are in your PATH？（）

第1题：

第2题：

Which of the following locations would hold 32-bit application files in Windows Vista 64-bit?（）

• A、C:/Program Files/
• B、C:/Program Files (x86)/
• C、C:/Program Files 32/
• D、C:/Program files 32-bit/

第3题：

Which statement is true about a routing table?（）

• A、It contains routers learned dynamically only
• B、It finds the best path to each destination by using a modified shortest-path-first calculation
• C、It contains only active BGP routes
• D、It contains all accepted routes to all destinations

第4题：

Which program finds only files that are in your PATH？（）

第5题：

Which statement is true about a routing table?（）

• A、It contains routes learned dynamically only.
• B、It finds the best path to each destination by using a modified shortest-path-first calculation.
• C、It contains only active BGP routes.
• D、It contains all accepted routes to all destinations.

第6题：

You are using RMAN to perform a closed database backup of your database. You issue these RMAN commands： STARTUP MOUNT； BACKUP  FORMAT ’/BACKUP/df_%d_%s_%p.bus’  DATABASE filesperset = 2；  Which components are included in the backup？（）

• A、Only the data files.
• B、Only the data files and the online logs.
• C、The data files， control files， and the online logs.
• D、The data files and control files， but not the online logs.

第7题：

Your multitenant container database (CDB) is running in ARCHIVELOG mode. You connect to the CDB RMAN. Examine the following command and its output: You execute the following command: RMAN > BACKUP DATABASE PLUS ARCHIVELOG; Which data files will be backed up?（）

• A、Data files that belong to only the root container
• B、Data files that belong to the root container and all the pluggable databases (PDBs)
• C、Data files that belong to only the root container and PDB$SEED
• D、Data files that belong to the root container and all the PDBs excluding PDB$SEED

第8题：

When performing an incomplete recover of the whole database， which data files must you restore？ （）

• A、Only the damaged or lost data files.
• B、All of the data files of the database.
• C、Only the data files belonging to the SYSTEM tablespace.
• D、The data files belonging to the SYSTEM tablespace and the damaged or lost data files.

第9题：

Which statement is true about loading data using the conventional path of SQL*Loader（）

• A、Redo is not generated while performing conventional path loads.
• B、Only PRIMARY KEY， UNIQUE KEY， and NOT NULL constraints are checked.
• C、No exclusive locks are acquired when the conventional path loads are performed.
• D、Instead of performing transactions， SQL*Loader directly writes data blocks to the data files.
• E、INSERT triggers are disabled before the conventional path load and reenabled at the end of the load

第10题：

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第13题：

Which statement best describes echo?（）

• A、Echo is the discernable leak-through of your own Rx path into your own Tx path. 
• B、Echo is the discernable leak-through of the packets of your Rx path into your own Tx path. 
• C、Echo is the nonaudible leak-through of the packets of your Rx path into your own Tx path. 
• D、Echo is the audible leak-through of the packets from the transmit path into your own receive path. 
• E、Echo is the nonaudible leak-through of the packets of your Tx path into your own Rx path.

第14题：

Your database is up and running and one of your three control files is accidentally erased. You start RMAN and run the following command：   RESTORE CONTROLFILE FROM AUTOBACKUP；   Which of the following statements is true？（） 

• A、 The command restores only the missing control file.
• B、 The command restores all the control files.
• C、 The command fails because the database is running.
• D、 This is the correct way to address this problem.
• E、 This is not the correct way to address this problem.

第15题：

A user copied files from a CD and now the files can only be opened as read-only. Which of the following utilities can be used to allow the user the ability to edit the files?（）

• A、EDIT
• B、CHMOD
• C、ATTRIB
• D、CONVERT

第16题：

What is the difference between thE.remove and thE.purge action with the dpkg command？（）

• A、 -remove removes the program， -purge also removes the config files
• B、 -remove only removes the program， -purge only removes the config files
• C、 -remove removes a package， -purge also removes all packages dependent on it
• D、 -remove removes only the package file itself， -purge removes all files related to the package

第17题：

Your database is running In ARCIIIVELOG mode. One of the data files， USBRDATAOI. DBF， in the users tablespace is damaged and you need to recover the file until the point of failure. The backup for the data file is available.  Which three files would be used in the user-managed recovery process performed by the database administrator （DBA）？（） 

• A、 redo logs
• B、 control file
• C、 temporary files of temporary tablespace
• D、 the latest backup of only the damaged data file
• E、 the latest backup of all the data files In the USERS tablespace

第18题：

One of the tablespaces is read/x7fonly in your database. The loss of all control files forced you to re/x7fcreate the control file.  Which operation do you need to perform after re/x7fcreating the control file and opening the database？（）

• A、drop and re­create the read­only tablespaces
• B、rename the read­only data files to their correct file names
• C、change the tablespace status from read/write to read­only
• D、re­create the read­only tablespace because it is automatically removed

第19题：

Which statement is true about loading data using the conventional path of SQL*Loader（）

• A、Redo is not generated while performing conventional path loads.
• B、Only PRIMARY KEY， UNIQUE KEY， and NOT NULL constraints are checked.
• C、No exclusive locks are acquired when the conventional path loads are performed.
• D、Instead of performing transactions， SQL*Loader directly writes data blocks to the data files.
• E、INSERT triggers are disabled before the conventional path load and reenabled at the end of the load.

第20题：

Your database is running in ARCHIVELOG mode, and the database is open. You execute an RMAN backupand specify the KEEP clause.Which components are backed up when this option is specified?（）

• A、only the control file, the current SPFILE, and data files
• B、only the current SPFILE and data files if autobackup is disabled
• C、only the data files and the archived redo logs
• D、the control file, current SPFILE file, data files, and archived redo logs

第21题：

Core files required for user applications are stored in which of the following locations?（）

• A、Program files
• B、Temporary files
• C、Windows
• D、Documents and settings

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