题目内容（请给出正确答案）

[主观题]

Diagnostic test is often used for the purpose of（）

A．finding out what students know and don’t know

B．measuring students’ general language proficiency

C．knowing whether students have the right language aptitude

D．checking whether students have achieved the teaching objectives

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更多“Diagnostic test is often used …”相关的问题

第1题

Which of the following information will be gathered by the SQL Test Case Builder for the problems pertaining to SQL-related problems？（）

A. ADR diagnostic files

B. all the optimizer statistics

C. initialization parameter settings

D. PL/SQL functions, procedures, and packages

E. the table and index definitions and actual data

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第2题

Prior to installing a new system, an administrator needs to provide the SAN administrators

with the WWN of the fibre channel cards to allow them to allocate and zone bootable storage. Due to the lack of installed operating system, the administrator will use a bootable diagnostic CD.Which option within the diag utility will display the required information？（）

A.Task Selection ＞ Display Hardware Vital Product Data

B.Advanced Diagnostic Routines ＞ Display Resource Attributes

C.Diagnostic Routines ＞ Display Configuration and Resource List

D.Task Selection ＞ Display Multipath I/O (MPIO) Device Configuration

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第3题

You plan to control the sessions performing a huge number of I/O operations. Your requirem

ent is to kill the session when it exceeds a specified number of I/Os. Which statement describes a solution to the above？（）

A. Set a threshold for the default system-defined moving window baseline.

B. Add directives to the Automatic Database Diagnostic Monitor (ADDM).

C. Modify the profile for the targeted users for which control needs to be imposed.

D. Implement the database resource manager to add the SWITCH_IO_REQS and SWITCH_GROUP directives.

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第4题

You upgraded from a previous Oracle database version to Oracle Database version to Oracle

Database12c. Your database supports a mixed workload. During the day, lots of insert, update, and deleteoperations are performed. At night, Extract, Transform, Load (ETL) and batch reporting jobs are run.The ETL jobs perform certain database operations using two or more concurrent sessions.After the upgrade, you notice that the performance of ETL jobs has degraded. To ascertain the cause ofperformance degradation, you want to collect basic statistics such as the level of parallelism, totaldatabase time, and the number of I/O requests for the ETL jobs.How do you accomplish this？（）

A. Examine the Active Session History (ASH) reports for the time period of the ETL or batch reporting runs.

B. Enable SQL tracing for the queries in the ETL and batch reporting queries and gather diagnostic data from the trace file.

C. Enable real-time SQL monitoring for ETL jobs and gather diagnostic data from the V$SQL_MONITOR view.

D. Enable real-time database operation monitoring using the DBMS_SQL_MONITOR.BEGIN_OPERATION function, and then use the DBMS_SQL_MONITOR.REPORT_SQL_MONITOR function to view the required information.

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第5题

You notice a performance change in your production Oracle database and you want to know wh

ich change has made this performance difference.You generate the Compare Period Automatic Database Diagnostic Monitor (ADDM) report to further investigation.Which three findings would you get from the report？（）

A. It detects any configuration change that caused a performance difference in both time periods.

B. It identifies any workload change that caused a performance difference in both time periods.

C. It detects the top wait events causing performance degradation.

D. It shows the resource usage for CPU, memory, and I/O in both time periods.

E. It shows the difference in the size of memory pools in both time periods.

F. It gives information about statistics collection in both time periods.

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第6题

－ I'm going to take my entrance test tomorrow.－ _______!A.Good luckB.CheersC.Come o

- I'm going to take my entrance test tomorrow.

- _______!

A.Good luck