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Exam Oracle Database Performance and Tuning Essentials 2015
Number 1z0-417
File Name Oracle.CertDumps.1z0-417.2018-01-18.1e.82q.vcex
Size 70 Kb
Posted January 18, 2018
Downloads 8

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Demo Questions

Question 1
What two statements are true when you are using SQL Tuning Advisor and create a SQL Profile to improve performance of a SQL statement issued by a packaged application?

  • A: You need to regularly run SQL Tuning Advisor to verify if the SQL Profile can be replaced with a better one.
  • B: After a SQL Profile is created, it will then run efficiently for the life of the database.
  • C: The SQL Profile rewrites the SQL Statement issued by the application so it appears to the Optimizer as a perfectly written SQL statement.
  • D: You can have only one SQL Profile active at one time for a single SQL statement.
  • E: You need Oracle Database 12c or later to use SQL Profiles.
  • F: SQL Profiles can be used for non-Oracle databases like Microsoft SQL Server, if the Tuning Pack is licensed.

Question 2
A customer has database performance issues within their Oracle Real Application Cluster. What is the next step?

  • A: Run the V$RAC script to dump all the RAC statistics and look for what has the highest metric accumulation.
  • B: Use the application load testing utility to overload a copy of their application in development to flush out the issue.
  • C: Turnoff RAC interconnects to isolate any network issues impacting database performance problems.
  • D: Use a third-party RAC tool to identify the bad SQL and then rewrite it.
  • E: Utilize the Oracle Database Performance Method to help identify and correct issue.

Question 3
For which two capabilities would you implement Segment Advisor in order to aid a customer trying to find and fix performance issues related to database space?

  • A: to determine if objects have unused space that can be released
  • B: to advise if materialized views can be used to reduce size of views
  • C: to review space usage of individual schema objects or tablespaces
  • D: to advise if there are any duplicate indexes and automate their removal
  • E: to identify any fragmentation in the database cache or swap space

Question 4
What are three activities an Oracle Database Performance and Tuning solution enables a customer to perform?

  • A: standardize database troubleshooting and diagnostics
  • B: control database clouds.
  • C: automate database performance management
  • D: perform global database backup
  • E: outsource database operations
  • F: replay and test actual workloads to assure database performance and consolidatios.

Question 5
Which two would automatically create an entry in V$SQL_MONITOR?

  • A: a parallelized SQL statement
  • B: any SQL statement run
  • C: any DML statement
  • D: a statement that consumes at least 1 second of CPU or I/O time.
  • E: a statement that consumes at least 5 second of CPU or I/O time.
  • F: any DDL statement

Question 6
Reviewing Automatic Workload Repository (AWR) reports for CPU and I/O exceptions, the time model displays SQL execution elapsed time as a major component of DB Time. Which two are next steps to diagnose the problem further?

  • A: Review Operating System processes for any zombies.
  • B: Review SQL statistics from the Automatic Workload Repository (AWR).
  • C: Run a STATSPACK report.
  • D: Review Automatic Database Diagnostic (ADDM) recommendations.
  • E: Review all system configuration parameters.

Question 7
An advanced fault diagnostic infrastructure introduced as of Oracle Database 11g, assigns an incident number and diagnostic data when a critical error occurs. What is the feature and where does it store that data?

  • A: Oracle Enterprise Manager. Data is stored in the OEM Repository.
  • B: MyOracle Support. Data is stored in Oracle Cloud.
  • C: Automatic Workload Repository. Data is stored in views inside the Oracle database.
  • D: Automatic Diagnostic Repository. Data is stored in views inside the Oracle database.
  • E: Automatic Diagnostic Repository. Data is stored in a file-based repository outside the database.

Question 8
Which two could Oracle Database Replay is used to validate performance?

  • A: applying workload to an application after an operating system patch
  • B: applying a workload from one database release to another database release
  • C: moving a workload from a single database instance and applying it to an Oracle Real Application Cluster (RAC)
  • D: to check and compare if a specific set of SQL statements have regressed between two different database releases
  • E: to find the least-used SQL statement

Question 9
Which one is a type of user session and client request supported by Database Replay?

  • A: XA transactions
  • B: Oracle Call Interface (OCI) based object navigations
  • C: SQL-based object access
  • D: Flashback queries
  • E: Database Resident Connection Pooling (DRCP)

Question 10
DBAs use scripts and a third-party tool that access Automatic Workload Repository (AWR) snapshot reports, but don't use Oracle Enterprise Manager. The IT Manager seeks to confirm what the DBAs told him – Its OK since they licensed Oracle Database Enterprise Edition and not the Standard Edition. Which is the correct response for this scenario?

  • A: With an Oracle Enterprise Edition Database license, a customer can use any Oracle option they want, at any of their worldwide locations, without additional licensing.
  • B: No matter how AWR snapshot reports are accessed, Oracle Enterprise Edition Database customers need to be licensed for the Oracle Diagnostic Pack for Oracle Databases.
  • C: With an Oracle Database Enterprise Edition license, an Oracle customer can use any Oracle option they want, at that location, without additional licensing.
  • D: No matter how AWR snapshot reports are accessed, Oracle Enterprise Edition Database customers need to be licensed for the Advanced Analytic Pack for Oracle Databases.
  • E: With an Oracle Database Enterprise Edition license, an Oracle customer can access AWR snapshots by using SQL. If you use anything else, then you need an additional license.



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