位于我国和巴基斯坦边界上的喀喇昆仑山脉有许多高峰，其中乔戈里峰是世界的（)。A．第二高峰B．第三高

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.

A．Table_open_cache

B．Table_open_cache_instancs

C．Table_definition_cache

D．Tmp_table_size

E．Max_heap_table_size

F．Max_tmp_tables

ou 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？（）

A. All three tables in the recycle bin are purged

B. Only the table with the oldest DROPSCN is purged

C. The command returns an error because multiple entries with the same name exist in the recycle bin

D. Only the table with the latest DROPSCN is purged

name=‘JAMES‘; ENAME SAL JAMES 1050QL> UPDATE emp SET sal=sal+sal*1.2 WHERE ename=‘JAMES‘;1 row updated.SQL> SELECT ename, sal FROM emp WHERE ename=‘JAMES‘; ENAME SAL JAMES 2310View 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.

command runs in an RMAN sessions:RMAN> BACKUP DATABASE FILESPERSET 2;The database has seven data files.Why is the %_COMPLETE refreshed to 13.59 in the third output afterreaching 88.77？（）

A. Because the progress is reported for each data file

B. Because the progress is reported for each backup set

C. Because other RMAN sessions have issued the same BACKUP command

D. Because new data files have been added to the database while the RMAN backup is in progress

to execute theSQL query asynchronously.IAsyncResult ar = cmd.BeginExecuteReader(); You need to execute a method named DoWork() that takes one second to run while the SQL query is executing.DoWork() must run as many times as possible while the SQL query is executing.Which code segment should you use？（）

A.

B.

C.

D.

to execute theSQL query asynchronously.Dim ar As IAsyncResult = cmd.BeginExecuteReader()You need to execute a method named DoWork() that takes one second to run while the SQL query is executing.DoWork() must run as many times as possible while the SQL query is executing.Which code segment should you use？（）

A.

B.

C.

D.

splayed below:After considering the effects of the command output illustrated in the exhibit above,which of the following protocols are operational on the serial link？（）

A. PPP

B. IP

C. Compression

D. IPX

E. Multilink

F. ATX

following query in the plan table and noticed that the nested loop join was done. After actual execution of the query, you notice that the hash join was done in the execution plan:Identify the reason why the optimizer chose different execution plans.（）

A. The optimizer used a dynamic plan for the query.

B. The optimizer chose different plans because automatic dynamic sampling was enabled.

C. The optimizer used re-optimization cardinality feedback for the query.

D. The optimizer chose different plan because extended statistics were created for the columns used.

issue on the Testking1 router. You issue the show ip route command. The output from the command is displayed in the following exhibit:Which one of the following routes WILL NOT be entered into its neighboring routers routing table？（）

A. R 192.168.11.0/24 [120/7] via 192.168.9.1, 00:00:03, Serial1

B. C 192.168.1.0/24 is directly connected, Ethernet0

C. R 192.168.8.0/24 [120/1] via 192.168.2.2, 00:00:10, Serial0

D. R 192.168.5.0/24 [120/15] via 192.168.2.2, 00:00:10, Serial0

E. None of the above