A.Data blocks have to be written more frequently by DBWR. 
B.Redo blocks have to be written more frequently by LGWR. 
C.You need to substantially increase the size of your database buffer cache to hold the additional checkpoint records. 
D.You need to substantially increase the size of your redo buffer cache to hold the additional checkpoint records.

A.A
B.B
C.C
D.D

A.The standby database is protected against write operations. 
B.The primary database is protected against write operations. 
C.The primary database is protected against data loss and data divergence. 
D.The standby database is protected against data loss and data divergence. 

A.An improved version of multithreaded server configuration. 
B.A connection pooling configuration where several clients are connected to the same server process. 
C.Two more database servers, which share data by means of database links; the client software is unaware to which server it is connected. 
D.A configuration of Real Application Cluster where the client connection is routed to the least busy instance. 

A.The CONNECT INTERNAL is disallowed. 
B.The Server Manager tool is no longer supplied. 
C.The listener must be running to make a connection. 
D.The use of remote password login file (orapw<sid>) is unchanged.

A.The size of the redo buffer in SGA. 
B.The instance that will perform recovery in Real Application Cluster database. 
C.The number of blocks to be read during instance recovery, or the time needed to complete instance recovery. 
D.The number of passes through the redo logs made by the recovery process to identify blocks needing recovery.

A.ALTER TABLE employees monitor index employee_idx_fk; 
B.ALTER INDEX employee_idx_fk monitoring on; 
C.ALTER TABLE employees monitor all indexes; 
D.ALTER INDEX employee_idx_fk monitoring usage; 

A.It readily responds to dynamic changes for concurrent access. 
B.It improves performance and space utilization in a multiple-instance environment. 
C.It requires fewer space related options then freelist managed structures. 
D.It improves performance for SYSTEM tablespaces where a high degree of concurrency is required.

A.During a query’s parse time only. 
B.During a query’s execution time only. 
C.During any kind of DML statement execution. 
D.During the execution of an INSERT statement only.

A.External tables can be updated. 
B.External tables are read-only tables. 
C.Indexes can be created on external tables. 
D.Indexes cannot be created on external tables.