Examine the output of the query that you executed to list the objects in the recycle bin: <img src="https://img.ppkao.com/2018-08/yuanhao/2018080117143888306.jpg" /> You verified that no table named SALES_TAB exists in the schema. Then you executed the following command to purge the objects in the recycle bin: SQL> PURGE TABLE sales_tab; What would be the outcome of this command?（） Examine the output of the query that you executed to list the objects in the recycle bin: <img src="https://img.ppkao.com/2018-08/yuanhao/2018080117143888306.jpg" /> You verified that no table named SALES_TAB exists in the schema. Then you executed the following command to purge the objects in the recycle bin: SQL> PURGE TABLE sales_tab; What would be the outcome of this command?（）..

第1题

[单选题] View the exhibit and examine the output. Which statement can be an inference from the output?（）

A、The FRA disk group has an asynchronous I/O bottleneck B、The least number of I/Os are performed on the last data file in the list C、The number of times that the backup or restore process directed the OS to wait until an I/O was complete is the highest for the last data file in the list D、The number of times that the backup or restore process made an OS call to poll for I/O completion in Nonblocking mode is the least for the FRA disk group

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第2题

[] View the Exhibit and examine the output. You execute the following RMAN command to perform the backup operation: What is the multiplexing level in the preceding backup process（） View the Exhibit and examine the output. You execute the following RMAN command to perform the backup operation: What is the multiplexing level in the preceding backup process（）

A、A. 4 B、B. 8 C、C. 7 D、D. 0

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第3题

[] Multiple RMAN sessions are connected to the database instance. Examine the following output when backup commands are running in server sessions: What could have helped you to correlate server sessions with channels?（） Multiple RMAN sessions are connected to the database instance. Examine the following output when backup commands are running in server sessions: What could have helped you to correlate server sessions with channels?（）

A、A. Implement RMAN multiplexing B、B. Set the DEBUG ON in the RMAN script C、C. Specify the command ID in the RMAN script D、D. Use a tag with the RMAN BACKUP command

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第4题

[单选题] Examine the following commands and their output: View the exhibit and examine the Flashback Version Query that was executed after the preceding commands. What could be the possible cause for the query not displaying any row?（）

A、Flashback logging is not enabled for the database. B、The changes made to the table are not committed. C、Supplemental logging is not enabled for the database. D、The database is not configured in ARCHIVELOG mode.

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第5题

[] Click the Exhibit button. Which three code fragments, added individually at line 29, produce the output 100?（） Click the Exhibit button. Which three code fragments, added individually at line 29, produce the output 100?（）

A、A.n = 100; B、B.i.setX( 100 ); C、C.o.getY().setX( 100 ); D、D.i = new Inner(); i.setX( 100 ); E、E.o.setY( i ); i = new Inner(); i.setX( 100 ); F、F.i = new Inner(); i.setX( 100 ); o.setY( i );

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第6题

[] To examine the Exhibit, press the Exhibit button. Which option would produce this output from the errpt command? （） To examine the Exhibit, press the Exhibit button. Which option would produce this output from the errpt command? （）

A、A. errpt -t B、B. errpt -a C、C. errpt -D D、D. errpt

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第7题

[单选题] To examine the Exhibit， press the Exhibit button. While a user is compiling a C program， "vmstat 120 10" is run to determine the cause of a performance problem. Using the vmstat output as shown in the exhibit， which of the following conclusions is most appropriate to draw about the I/O bottleneck？（）

A、 The bottleneck is network I/O. B、 The bottleneck is local disk I/O. C、 The bottleneck is paging space I/O. D、 The bottleneck is to a remote filesystem.

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第8题

[] To examine the Exhibit， press the Exhibit button. While a user is compiling a C program， "vmstat 120 10" is run to determine the cause of a performance problem. Given the vmstat output as shown in the exhibit， which of the following conclusions should be drawn about the I/O bottleneck？（） To examine the Exhibit， press the Exhibit button. While a user is compiling a C program， "vmstat 120 10" is run to determine the cause of a performance problem. Given the vmstat output&en

A、A. There is a file I/O bottleneck. B、B. There are too many open files. C、C. There appears to be a buffer shortage. D、D. There is a paging space I/O bottleneck.

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第9题

[单选题] The 'lsvg -o' command is run with an output of only rootvg, but the server has another volume group named datavg, which is notdisplayed. What is the likely cause?（）

A、datavg is in an offline state. B、'lsvg -o' only displays the root volume group. C、'lsvg -o' only displays the fist volume group. D、datavg has no filesystems and therefore, is inactive.

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第10题

[] To examine the Exhibit, press the Exhibit button. The exhibit shows the output of netstat -nr. Which of the following addresses will require an additional route entry? （） To examine the Exhibit, press the Exhibit button. The exhibit shows the output of netstat -nr. Which of the following addresses will require an additional route entry? （）

A、A. 129.35.54.22 B、B. 129.35.56.35 C、C. 129.35.57.22 D、D. 129.35.1.22

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