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Free 1Z0-497 Practice Test | Pass Oracle Exam Today

Question 1

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 2

Which statement about the Queryable Patch inventory feature is false?

Options :

A : It is used to retrieve installed patch information from a SQL prompt.

B :

It uses the PREPROCESSOR feature, which allows users to preprocess input data before it is sent to the access drivers

C : DBMS_QOPATCH provides a PL/SQL or SQL interface to view the database patches installed.

D :

It works in an Oracle database instance that is mounted. Therefore, it works in ASM instances and DG instances.

Answer: A

Question 3

Which two statements are true about the B-tree Index?

Options :

A : The leaf blocks in the index are doubly linked.

B : The leaf node stores a bitmap for each key value

C : Rows with a NULL value in key columns also have entries in the Index.

D :

The deletion of a row from the table causes a logical deletion in the index leaf block and the space becomes available for a new leaf entry.

Answer: B,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

What must you do to an application for it to take advantage of partitioning?

Options :

A : recompile it

B : rewrite its SQL queries

C : relink

D : rework the applications schema

E : nothing; it is transparent

Answer: E

Free Oracle 1Z0-497 Practice Test Questions

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