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Question 1

Which two statements about Automatic Data Optimization (ADO) are true?

Options :

A : ADO policies can automatically compress data when it qualifies.

B : ADO policies can automatically move segments when necessary.

C : ADO is not dependent on Heat Map, and works even if Heat Map is disabled.

D : You cannot compress at block level, but you can compress at segment level.

E : You can compress at row level only for QUERY LOW.

Answer: D,E

Question 2

Which statement is true regarding this connect string?

(DESCRIPTION

(FAILOVER=on)

(ADDRESS_LIST=

(LOAD_BALANCE=ON)

(ADDRESS=(host=sales-east1) (port=1522) )

(ADDRESS=(host=sales-east2)(port=1522))

(ADDRESS=(host=sales-east3) (port=1522) ))

(ADDRESS_LIST=

(LOAD_BALANCE=ON)

(ADDRESS=(host=sales-west1) (port=1522) )

(ADDRESS=(host=sales-west2) (port=JS22))

(ADDRESS=(host=sales-west3) (port=lS22) ) )

(CONNECT_DATA=

(SERVICE_NAME=sales)

(REGION=east)))

Options :

A : It contains three global service managers in the client's local region (east).

B :

Client-side load balancing has been enabled only for the global service managers within the client's buddy (west).

C : Connect-time failover between regions has not been enabled.

D : The REGION parameter is optional.

Answer: D

Question 3

Which process is responsible for writing the contents of database buffers to data files?

Options :

A : Process Monitor process (PMON)

B : Listener Registration process (LREG)

C : System Monitor process (SMON)

D : Database Writer process (DBW)

E : Log Writer process (LGWR)

F : Checkpoint process (CKPT)

Answer: D

Question 4

Consider an application in which memory required for each session is 400 KB and memory required for each server process is 4 MB. The pool size is 100 and the number of shared servers used is 100. If there are 5000 client connections, what is the amount of memory used by a dedicated server?

Options :

A : 615 MB

B : 2.5 GB

C : 4 GB

D : 12 GB

E : 22 GB

Answer: B

Question 5

Examine the command:

sqlplus /nolog

In which scenario would this command execute successfully?

Options :

A : only from the server, if the database instance is not up

B : from either a client or server, even if the database instance is not up

C :

from either a client or server, only if the database instance is up, and the command connects the session to the instance

D :

from either a client or server, only if the database instance is up, but the command does not connect the session to the instance

Answer: B