Oracle OCP Certification Exam Bank Analysis 052-2

Source: Internet
Author: User

QUESTION 2


Identify the memory component from which memory is allocated for:session memory for the shared server, buffers for I/O Slaves Oracle Database Recovery Manager (RMAN) Backup and restore operations


A. Large Pool

B. Redo Log Buffer

C. Database Buffer Cache

D. Program Global Area (PGA)


Correct answer:a


Explanation/reference:


Large Pool


The large pool is a optional memory area intended for memory allocations, is larger than was appropriate for the Shar Ed Pool. The large pool can provide large memory allocations for the following:


UGA for the shared server and the Oracle XA interface (used where transactions interact with multiple databases)

Message buffers used in the parallel execution of statements

Buffers for Recovery Manager (RMAN) I/O slaves


By allocating session memory from the large pool for GKFX SQL, the database avoids performance overhead caused by shrink ing the shared SQL cache. By allocating memory in large buffers for RMAN operations, I/O server processes, and parallel buffers, the large pool can Satisfy large memory requests better than the shared pool.


for more questions, please follow: http://ke.qq.com/cgi-bin/courseDetail?course_id=36323


Oracle OCP Certification Exam Bank Analysis 052-2

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.