References question 5

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objects are then processed in the next maintenance window. References: QUESTION 5 You plan to create a database by using the Database Configuration Assistant (DBCA), with the following specifications: – Applications will connect to the database via a middle tier. – The number of concurrent user connections will be high. – The database will have mixed workload, with the execution of complex BI queries scheduled at night. Which DBCA option must you choose to create the database? A. a General Purpose database template with default memory allocation B. a Data Warehouse database template, with the dedicated server mode option and AMM enabled C. a General Purpose database template, with the shared server mode option and Automatic Memory Management (AMM) enabled D. a default database configuration Correct Answer: C Section: (none) Explanation Explanation/Reference: References: QUESTION 6
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Which two statements are true about the logical storage structure of an Oracle database? (Choose two.) A. An extent contains data blocks that are always physically contiguous on disk. B. An extent can span multiple segments. C. Each data block always corresponds to one operating system block. D. It is possible to have tablespaces of different block sizes. E. A data block is the smallest unit of I/O in data files. Correct Answer: DE Section: (none) Explanation Explanation/Reference: References: QUESTION 7 Which two statements correctly describe the relationship between data files and logical database structures? (Choose two.) A. A segment cannot span data files. B. A data file can belong to only one tablespace. C. An extent cannot span data files. D. The size of an Oracle data block in a data file should be the same as the size of an OS block. Correct Answer: BC Section: (none) Explanation Explanation/Reference: Explanation: A single extent can never span data files. QUESTION 8 Which statement is true about the Log Writer process? A. It writes when it receives a signal from the checkpoint process (CKPT). B. It writes concurrently to all members of multiplexed redo log groups. C. It writes after the Database Writer process writes dirty buffers to disk. D. It writes when a user commits a transaction. Correct Answer: D Section: (none) Explanation Explanation/Reference: References: (see log writer process (LGWR)) QUESTION 9 The ORCL database is configured to support shared server mode. You want to ensure that a user connecting remotely to the database instance has a one-to-one ratio between client and server processes. Which connection method guarantees that this requirement is met? A. connecting by using an external naming method B. connecting by using the easy connect method C. creating a service in the database by using the dbms_service.create_service procedure and using this service for creating a local naming service
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D. connecting by using the local naming method with the server = dedicated parameter set in the tnsnames.ora file for the net service E.
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  • Fall '19
  • Oracle Database

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