1z0-417 무료 덤프문제 온라인 액세스

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

A customer asked you about Database Time (DB Time). Which are two correct statements you would include in your description of it?

• A.It is the total time spent in database calls by background sessions in the database.
• B.It is the total time spent in database calls by foreground sessions in the database.
• C.It is the overall response time.
• D.It includes login, idle, background, and Zombie session wait time.
• E.It is the total time spent in database calls by all sessions in the database.
• F.It includes non-idle wait time.

In which two formats does Automatic Workload Repository (AWR) provide statistics?

• A.Basic
• B.Full
• C.Unlimited
• D.Temporary
• E.Persistent

Which three are benefits of implementing an Oracle Database Performance and Tuning solution?

• A.a library of hundreds of PL/SQL procedures to choose from for writing scripts to instrument the database tocollect performance information
• B.a performance methodology
• C.built-in instrumentation, real-time and historical monitoring, and data collection
• D.automated database diagnostics based on deep database kernel integration
• E.monitor and alert on every Oracle Database Database Dictionary view using SNMP MIBS built into theOptimizer
• F.the most extensive and up-to-date collection of database monitoring and tuning scripts

A customer not familiar with Active Session History (ASH) asked you what it was used for. Which are two statements you can use to accurately describe (ASH) capabilities?

• A.It enables you to look at all database sessions since the database was created.
• B.It enables you to conduct performance analysis of transient issues.
• C.It accesses database kernel structures indirectly via the buffer cache.
• D.It enables you to conduct performance analysis of long-running sessions.
• E.In memory, active sessions are sampled every second.