Free Oracle 1z0-338 Exam Dumps – [June-2018 Dumps]

By | June 28, 2018

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Vendor Oracle
Exam Code 1z0-338
Full Exam Name Oracle Exadata Database Machine and Cloud Service 2017 Implementation Essentials
Certification Name Oracle Engineered Systems
Technology exadata

♥ 2018 Valid 1z0-338 Exam Questions ♥

1z0-338 exam questions, 1z0-338 PDF dumps; 1z0-338 exam dumps:: (72 Q&A) (New Questions Are 100% Available! Also Free Practice Test Software!)

Latest and Most Accurate Oracle 1z0-338 Dumps Exam Questions and Answers:

Question: 21

Identify two tasks that the Database Resource Manager can perform, which the I/O Resource Manager cannot.

A. Manage I/O based on the application that is connected to the database.
B. Manage the number of parallel sessions for a query.
C. Manage I/O and CPU between databases on the same cluster or physical database host.
D. Terminate database sessions when certain limits have been reached.
E. Manage the throughput of an I/O-bound application based on the service name used for the connection.

Answer: B, D

IORM is similar to Oracle Database Resource Manager (DBRM) in that it provides a means for controlling allocation of system resources. Where DBRM’s primary goals are to control CPU resources, limit the degree of parallelism, and impose resource consumption constraints for different types of sessions within an Oracle database, IORM’s goal is to govern I/O resource allocations between databases on a shared storage infrastructure. When consolidating Oracle databases on Exadata, IORM can be used to ensure that I/O is controlled between databases as well as classifications of consumes that utilize the same ASM disk infrastructure and, as such, provide resource control capabilities beyond what DBRM provides within a database.
/ Using the Database Resource Manager, you can:
* Guarantee certain users a minimum amount of processing resources regardless of the load on the system and the number of users
* Distribute available processing resources by allocating percentages of CPU time to different users and applications. In a data warehouse, a higher percentage may be given to ROLAP (relational on-line analytical processing) applications than to batch jobs.
* Limit the degree of parallelism of any operation performed by members of a group of users etc

Question: 22

Which three statements accurately describe update of software on Exadata Database Machine?

A. The Oracle Database patchset software (for example, requires the Exadata-specific version.
B. Rolling patching is faster than non-rolling patching, but database down time is longer.
C. The Oracle Database software on Exadata is updated using standard OPatch and the Oracle Universal Installer.
D. Running Exadata with different storage server software versions is supported, but should be minimized to rolling patching scenarios.
E. The database server operating system software (other than kernel and OFED) may be installed or updated from non-Exadata sources
F. Storage server updates require access to an Unbreakable Linux Network (ULN) based repository.

Answer: C, D, F

Question: 23

A customer has three databases named CC. FIN, and DW. The CC database is for their CallCenter. Even a slight decrease in the response time of the database would mean more people “on hold” in their data center. The orders received through the CallCenter are stored in the Finance (FIN) database. Both databases, CC and FIN, serve as sources for the Data Warehouse (DW) database. All databases use the same Automatic Storage Management (ASM) diskgroup and therefore, the same physical disks on Exadata storage. The customer wants to dynamically control the resources that are available for the CallCenter database because this has direct impact on their operations?
Which option should be implemented?

A. DBRM on the CC database
B. DBRM on all the databases
C. IORM, because DBRM cannot be changed for an existing session

Answer: B

Question: 24

Consider the following software changes that are performed manually on a Linux server:
1. Changes for Linux kernel firewall configuration
2. Changes for custom performance monitoring tools
3. Changes for security scan tools
4. Changes for Linux system performance optimization
Which of the software changes listed are permitted on Exadata Storage Servers?

A. 1, 2, 3, and 4
B. only 3 ‘
C. none
D. only 2
E. only 1 and 2
F. only 2 and 3

Answer: C

1: The Storage Server Patch is responsible for keeping our cell nodes always up-to-date, fixing possible problems, and this patch includes different component patches, like kernel patches, firmware, operation system, etc… for the Storage Server.
3,4: security scan tools changes and Linux system performance optimization changes would be on the database server.

Question: 25

Which two statements are true about enabling write-back flash cache?

A. When enabling write-back flash cache in a non rolling manner, it is important to ensure that asmdeactivatonoutcome is set to YES and asmModestatus is set to ONLINE for all grid disks.
B. Before using write-back flash cache, you need to verify the minimum required versions.
C. Before write back-flash cache is enabled, you need to drop the Flash Cache first.
D. The setting flashCacheMode should be set to writeback by updating cellinit.ora and restarting cellsrv.
E. When enabling write-back flash cache in a rolling manner, dcli should be used to inactivate the grid disks on all cells first.

Answer: B, C

B: Exadata storage version is the minimum version required to use this write back flash cache option.
C: Steps for Enabling Write back flash cache:
First of all, you don’t need the stop CRS or database (This is ROLLING method) ,you can do it cell by cell.
* drop flashcache
* Be sure asmdeactivationoutcome is YES is before disabling grid disk

Question: 26

Consider the following setup:
User A1 belongs to resource group High on Database A.
User B2 belongs to resource group Low on Database B.
User C3 is a user on Database C without any DBRM setup.
DBRM setup:
Database A: Resource group High gets 80% and Low gets 20%.
Database B: Resource group High gets 60% and Low gets 40%.
IORM setup:
Database A: Share=20, limit=5
Database B: Share=30, limit=10
Database C: 5 shares
Total number of shares in the IORM setup = 100
What percent of I/O will each database user theoretically be using when the Exadata storage unit I/O throughout is used 100% and no other databases but A, B, and C are running?

A. Al = 36%, B2=18%, and C3=9%
B. Al = 33%, B2=33%, and C3=33%
C. AI = 10%, B2=5%, and C3=20%
D. Al = 8%, B2=12%, and C3=5%
E. Al = 5%, B2=10%, and C3=85%

Answer: E

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