“How do you read?” “I read you four”（）...

第1题

[单选题] How do you read? I read you four.（）.

A、excellent B、bad C、fair D、good

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第2题

[单选题] How do you read ? I read you（）.

A、excellent B、very fine C、perfect D、very clear

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第3题

[单选题] “How do you read?” “I read you with signal strength one”（）.

A、poor B、bad C、fair D、good

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第4题

[] You have a production instance running on your server. UNDO_RETENTION is not long enough to satisfy read-consistency requirements. How do you change the UNDO_RETENTION value？（） You have a production instance running on your server. UNDO_RETENTION is not long enough to satisfy read-consistency requirements. How do you change the UNDO_RETENTION value？（）

A、A.A B、B.B C、C.C D、D.D

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第5题

[单选题] You work as a database administrator for Supportcenter.cn. You want to be notified when the number of disk I/O increases by 10% of what it was yesterday. You create a baseline metric for yesterday’s disk I/O performance. How do you use the baseline metrics to achieve your objective？（）

A、Save the baseline in the database B、Save the baseline in the Database Control Home Page C、Create a procedure to read and apply the baseline to disk I/O metrics D、Apply the baseline to the disk I/O metrics in the Mange Metrics page E、Alter the disk I/O metrics to include baseline by using the ALTER METRICScommnd

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第6题

[单选题] You work as a database administrator for Certkiller .com. You want to be notified when the number of disk I/O increases by 10% of what it was yesterday. You create a baseline metric for yesterday’s disk I/O performance. How do you use the baseline metrics to achieve your objective？（）

A、Save the baseline in the database B、Save the baseline in the Database Control Home Page C、Create a procedure to read and apply the baseline to disk I/O metrics D、Apply the baseline to the disk I/O metrics in the Mange Metrics page E、Alter the disk I/O metrics to include baseline by using the ALTER METRICScommnd

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“How do you read?” “I read you four”（）.

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