niusouti.com

单选题Performance divergence indicated in the Workload Replay report is most likely due to what?()ADML and SQL statement results that do not match between the capture and replay systemsBWhen errors that occur in the capture system dont occur in the replay sy

题目
单选题
Performance divergence indicated in the Workload Replay report is most likely due to what?()
A

 DML and SQL statement results that do not match between the capture and replay systems

B

 When errors that occur in the capture system dont occur in the replay system

C

 Top SQL statements

D

 Infrastructure or system-configuration differences

E

 Time-of-day differences between capture and replay systems


相似考题
参考答案和解析
正确答案: B
解析: 暂无解析
更多“单选题Performance divergence indicated in the Workload Replay report is most likely due to what?()A  DML and SQL statement results that do not match between the capture and replay systemsB  When errors that occur in the capture system dont occur in the repla”相关问题
  • 第1题:

    You need to design a strategy to log access to the company Web site. What should you do?()

    • A、Enable logging on the company Web site and select the NCSA Common Log File Format. Store the log files on a SQL Server computer
    • B、Use System Monitor to create a counter log that captures network traffic to the Web server by using the Web Service object. Store the log files on a SQL Server computer
    • C、Run the Network Monitor on the Web server. Create a capture filter for the SNA protocol and save the results to a capture file. Store the capture file on a SQL Server computer
    • D、Enable logging on the company Web site and select ODBC Logging. Configure the ODBC logging options by using a nonadministrative SQL account

    正确答案:D

  • 第2题:

    Your system has been upgraded from Oracle Database 10g to Oracle Database 11g. You imported SQL Tuning Sets (STS) from the previous version. After changing the  OPTIMIZER_FEATURE_ENABLE parameter to 10.2.0.4 and running the SQL Performance Analyzer, you observed performance regression for a few SQL statements.  What would you do with these SQL statements?()

    • A、 Set OPTIMIZER_USE_PLAN_BASELINES to FALSE to prevent the use of regressed plans.
    • B、 Capture the plans from the previous version using STS and then load them into the stored outline.
    • C、 Capture the plans from the previous version using STS and then load them into SQL Management Base (SMB)
    • D、 Set OPTIMIZER_CAPTURE_SQL_PLAN_BASELINES to FALSE to prevent the plans from being loaded to the SQL plan baseline.

    正确答案:C

  • 第3题:

    Which two prerequisites are needed for performing workload capture and replay?()

    • A、Close all sessions performing queries using database links
    • B、running the database in shared server mode
    • C、The database on which the workload is replayed has to be a restore of the original database to a specific SCN
    • D、setting up the directory to capture the workload

    正确答案:C,D

  • 第4题:

    Which two client requests are captured during database replay Capture?()

    • A、 Flashback queries
    • B、 Shared server requests
    • C、 Login and logoff activities of sessions
    • D、 Direct path load of data from external files by using utilities such as SQL *loader
    • E、 Data definition language (DDL) and data manipulation language (DML) operations

    正确答案:C,E

  • 第5题:

    Which two statements about workload capture and replay operations are true?()

    • A、The clients must be created manually on the test machines to perform more realistic testing.
    • B、Restart the database in RESTRICTED mode before beginning workload replay to enable a clean state for workload replay.
    • C、Restart the database in RESTRICTED mode before beginning workload capture to enable a clean state for capturing the workload.
    • D、The application state of the capture system must be identical to the application state of the replay system when the workload replay begins.

    正确答案:C,D

  • 第6题:

    Which of these recommendations should be followed before capturing a workload?()

    • A、 Make sure your replay database has the same structure as the capture database, except without data.
    • B、 Make sure the replay and capture databases are similar in data content.
    • C、 Perform a clean shutdown and restart of the capture database before beginning a workload capture.
    • D、 Start the capture database in UNRESTRICTED mode, then start the capture.
    • E、 Define inclusion and exclusion filters.

    正确答案:B,C

  • 第7题:

    单选题
    You need to design a strategy to log access to the company Web site. What should you do?()
    A

    Enable logging on the company Web site and select the NCSA Common Log File Format. Store the log files on a SQL Server computer

    B

    Use System Monitor to create a counter log that captures network traffic to the Web server by using the Web Service object. Store the log files on a SQL Server computer

    C

    Run the Network Monitor on the Web server. Create a capture filter for the SNA protocol and save the results to a capture file. Store the capture file on a SQL Server computer

    D

    Enable logging on the company Web site and select ODBC Logging. Configure the ODBC logging options by using a nonadministrative SQL account


    正确答案: C
    解析: 暂无解析

  • 第8题:

    单选题
    When the period of beam seas equals the natural rolling period of a vessel,what will most likely occur?()
    A

    Excessive pitching

    B

    Excessive yawing

    C

    Excessive rolling

    D

    No change should be evident


    正确答案: C
    解析: 暂无解析

  • 第9题:

    多选题
    Which two statements about workload capture and replay operations are true?()
    A

    The clients must be created manually on the test machines to perform more realistic testing.

    B

    Restart the database in RESTRICTED mode before beginning workload replay to enable a clean state for workload replay.

    C

    Restart the database in RESTRICTED mode before beginning workload capture to enable a clean state for capturing the workload.

    D

    The application state of the capture system must be identical to the application state of the replay system when the workload replay begins.


    正确答案: D,A
    解析: 暂无解析

  • 第10题:

    单选题
    Which of the following represents the correct sequence of events for Database Replay?()
    A

     Capture,analyze,preprocess,replay

    B

     Capture,preprocess,analyze,replay

    C

     Capture,preprocess,replay,analyze

    D

     Analyze,capture,preprocess,replay

    E

     None of the above


    正确答案: E
    解析: 暂无解析

  • 第11题:

    单选题
    Your network consists of a single Active Directory domain. All domain controllers run Windows  Server 2008 R2.     You need to capture all replication errors from all domain controllers to a central location.     What should you do()
    A

    Configure event log subscriptions.

    B

    Start the System Performance data collector set.

    C

    Start the Active Directory Diagnostics data collector set.

    D

    Install Network Monitor and create a new capture.


    正确答案: C
    解析: 暂无解析

  • 第12题:

    单选题
    Your company wants to upgrade the current production database to the RAC environment. To perform testing before migrating to the RAC environment, you performed the workload capture on the production database to record the peak workload. You set up the test RAC databaseand want to replay the recorded workload on the testmachine. Note the following steps that you may require to replay the database workload:   1) Preprocess the captured workload.  2) Restart the database in RESTRICTED mode. 3) Set up the Replay Clients.  4) Restore the test database to the point when the capture started.  5) Remap connections.   Arrange the steps required in the correct sequence to accomplish this task on the test machine.()
    A

     1,4,5,3 (2 is not required.)

    B

     1,4,3,5 (2 is not required.)

    C

     1,2,4,5 (3 is not required.)

    D

     2,1,5,3,4 

    E

     1,2,4,5,3


    正确答案: C
    解析: 暂无解析

  • 第13题:

    Which of the following represents the correct sequence of events for Database Replay?()

    • A、 Capture,analyze,preprocess,replay
    • B、 Capture,preprocess,analyze,replay
    • C、 Capture,preprocess,replay,analyze
    • D、 Analyze,capture,preprocess,replay
    • E、 None of the above

    正确答案:C

  • 第14题:

    In a Database Replay workload capture, what client request information is gathered?()

    • A、 SQL text
    • B、 Shared server requests (Oracle MTS)
    • C、 Bind variable values
    • D、 Information about transactions
    • E、 Remote DESCRIBE and COMMIT operations

    正确答案:A,C,D

  • 第15题:

    Performance divergence indicated in the Workload Replay report is most likely due to what?()  

    • A、 DML and SQL statement results that do not match between the capture and replay systems
    • B、 When errors that occur in the capture system dont occur in the replay system
    • C、 Top SQL statements
    • D、 Infrastructure or system-configuration differences
    • E、 Time-of-day differences between capture and replay systems

    正确答案:D

  • 第16题:

    Which two client requests are captured during database replay Capture?() (Choose two)

    • A、Flashback queries
    • B、Shared server requests
    • C、Login and logoff activities of sessions
    • D、Direct path load of data from external files by using utilities such as SQL *loader
    • E、Data definition language (DDL) and data manipulation language (DML) operations

    正确答案:C,E

  • 第17题:

    You perform the following activities during the database upgrade from Oracle Database 10g to Oracle Database 11g: 1. Capture plans for a SQL workload into a SQL Tuning Set (STS) before upgrade. 2. Load these plans from the STS into the SQL plan baseline immediately after the upgrade. What is the reason for performing these activities? ()

    • A、to minimize plan regression due to the use of a new optimizer version
    • B、to completely avoid the use of new plans generated by a new optimizer version
    • C、to prevent plan capturing when the SQL statement is executed after the database upgrade
    • D、to keep the plan in the plan history so that it can be used when the older version of the optimizer is used

    正确答案:A

  • 第18题:

    Certkiller .com has a network that consists of a single Active Directory domain.Windows Server 2008 is installed on all domain controllers in the network.  You are instructed to capture all replication errors from all domain controllers to a central location. What should you do to achieve this task()

    • A、Initiate the Active Directory Diagnostics data collector set
    • B、Set event log subscriptions and configure it
    • C、Initiate the System Performance data collector set
    • D、Create a new capture in the Network Monitor

    正确答案:B

  • 第19题:

    多选题
    Which two client requests are captured during database replay Capture?()
    A

    Flashback queries

    B

    Shared server requests

    C

    Login and logoff activities of sessions

    D

    Direct path load of data from external files by using utilities such as SQL *loader

    E

    Data definition language (DDL) and data manipulation language (DML) operations


    正确答案: D,A
    解析: 暂无解析

  • 第20题:

    单选题
    Your network consists of a single Active Directory domain All domain controllers run WIndows Server 2008. You need to capture all replication errors from all domain controllers to a central localion What should you do()
    A

    configure event log subscriptions.

    B

    Start the System Performance data collector set.

    C

    start the Active Directory Diagnostics data collector set.

    D

    Install Network Monitor and create a new a new capture.


    正确答案: C
    解析: 暂无解析

  • 第21题:

    多选题
    Which two prerequisites are needed for performing workload capture and replay?()
    A

    Close all sessions performing queries using database links

    B

    running the database in shared server mode

    C

    The database on which the workload is replayed has to be a restore of the original database to a specific SCN

    D

    setting up the directory to capture the workload


    正确答案: C,D
    解析: 暂无解析

  • 第22题:

    多选题
    In a Database Replay workload capture, what client request information is gathered?()
    A

    SQL text

    B

    Shared server requests (Oracle MTS)

    C

    Bind variable values

    D

    Information about transactions

    E

    Remote DESCRIBE and COMMIT operations


    正确答案: E,B
    解析: 暂无解析

  • 第23题:

    单选题
    Performance divergence indicated in the Workload Replay report is most likely due to what?()
    A

     DML and SQL statement results that do not match between the capture and replay systems

    B

     When errors that occur in the capture system dont occur in the replay system

    C

     Top SQL statements

    D

     Infrastructure or system-configuration differences

    E

     Time-of-day differences between capture and replay systems


    正确答案: A
    解析: 暂无解析

  • 第24题:

    多选题
    Which two client requests are captured during database replay Capture?() (Choose two)
    A

    Flashback queries

    B

    Shared server requests

    C

    Login and logoff activities of sessions

    D

    Direct path load of data from external files by using utilities such as SQL *loader

    E

    Data definition language (DDL) and data manipulation language (DML) operations


    正确答案: C,E
    解析: 暂无解析