Size of typical transactions
Concurrent transactions
Size of rows in table most frequently changed
Number of anticipated disk sorts
第1题:
Your database instance is running with full workload after database creation. You have decided to use a fixed-size undo tablespace. You want to use the Undo Advisor to estimate the capacity of the undo tablespace. Which two factors must you consider before using the Undo Advisor to estimate the capacity of the undotablespace()
第2题:
You executed the following query: SELECT operation, undo_sql, table_name FROM flashback_transaction_query; Which statement is correct regarding the query output?()
第3题:
You work as a database administrator for Certkiller .com. Users in the Certkiller .com PROD database complain about the slow response of transactions. While investigating the reason you find that the transactions are waiting for the undo segments to be available, and undo retention has been set to zero. What would you do to overcome this problem?()
第4题:
You are attempting to increase the checkpoint interval on your database. Each of the following choices will affect the duration and/or frequency of checkpoints, except one. Which is it?()
第5题:
When determining the number of UNDO segments in a database, which of the following choices identifies a factor to consider? ()
第6题:
Which three statements are true about database recovery operations?()
第7题:
How many web servers will be connected to the database?
How many concurrent applications will run against the database?
How many concurrent users will be accessing the database?
What are the types of transactions run against the database?
第8题:
The retention period to support flashback
The expected length of the longest-running query
The number of undo tablespaces in the database
The size of the Flash Recovery Area for the database instance
第9题:
Multiple transactions can use the same undo segment.
A transaction is assigned an undo segment when it is started.
More than one transaction cannot share the same extent in the undo tablespace.
The transactions use system undo segment to store undo data if all the segments in the undo tablespaceare used.
第10题:
It would return information regarding only the last committed transaction.
It would return only the active transactions in all the undo segments in the database.
It would return only the committed transactions in all the undo segments in the database.
It would return both active and committed transactions in all the undo segments in the database.
It would return information regarding the transactions that began and were committed in the last 30 minutes.
第11题:
the value of the UNDO_RETENTION initialization parameter
the value of the optimal redo log file size provided by the Redo Logfile Size Advisor
the online redo log files size
the number of redo log members in a group
第12题:
It would return information regarding only the last committed transaction.
It would return only the active transactions in all the undo segments in the database.
It would return only the committed transactions in all the undo segments in the database.
It would return both active and committed transactions in all the undo segments in the database.
It would return information regarding the transactions that began and were committed in the last 30 minutes.
第13题:
Users in your PROD database complain about the slow response of the transactions. While investigating the reason, you find that the transactions are waiting for the undo segments to be available, and undo retention has been set to zero. What would you do to overcome this problem?()
第14题:
You are maintaining your OLTP database in Oracle10g. While observing the performance of the database, you find that the log switch occurs more than once for every 20 minutes, affecting the database performance. Which factor is responsible for frequent log switches?()
第15题:
Which two statements are true regarding transactions in an Oracle database()
第16题:
You work as a database administrator for Supportcenter.cn. Users in the Supportcenter.cn PROD database complain about the slow response of transactions. While investigating the reason you find that the transactions are waiting for the undo segments to be available, and undo retention has been set to zero. What would you do to overcome this problem?()
第17题:
In your Oracle 10g database , you have scheduled a job to update the optimizer statistics at 05:00 pm every Friday. The job has successfully completed. Which three pieces of information would you check to confirm that the statistics have been collected?()
第18题:
Increase the undo return
Create more undo segments
Create another undotablespace
Increase the size of the undotablespace
第19题:
increase the undo retention
create more undo segments
create another undo tablespace
increase the size of the undo tablespace
第20题:
Increase the undo return
Create more undo segments
Create another undotablespace
Increase the size of the undo tablespace
第21题:
Size of typical transactions
Concurrent transactions
Size of rows in table most frequently changed
Number of anticipated disk sorts
第22题:
How many web servers will be connected to the database?
Will the database be run on a Windows solution?
How many concurrent users will be accessing the database?
What are the types of transactions run against the database?
第23题:
Disk size, stock availability, VHDCI
Disk size, distance, temperature, and compatibility
Disk fragmentation, MTBF, and maintenance
Disk configuration, throughput, transactions, queues, and latencies
第24题:
the size of the hard drives for each PC connected to the client’s network
the average size of the wallet based on the number of profiles and accounts
if any users will use IBM Tivoli Access Manager for Enterprise Single Sign-On during non-work hours
the number of users that will be connected using the wireless network, as opposed to a wired connection