To help you prepare for 1z1-070 Exam examination certification, we provide you with a sound knowledge and experience. The questions designed by Goldmile-Infobiz can help you easily pass the exam. The Goldmile-Infobiz Oracle 1z1-070 Exam practice including 1z1-070 Exam exam questions and answers, 1z1-070 Exam test, 1z1-070 Exam books, 1z1-070 Exam study guide. When it comes to our time-tested 1z1-070 Exam latest practice dumps, for one thing, we have a professional team contains a lot of experts who have devoted themselves to the research and development of our 1z1-070 Exam exam guide, thus we feel confident enough under the intensely competitive market. For another thing, conforming to the real exam our 1z1-070 Exam study tool has the ability to catch the core knowledge. Goldmile-Infobiz Oracle 1z1-070 Exam exam certification training is not only the cornerstone to success, and can help you to play a greater capacity in the IT industry.
Oracle Exadata 1z1-070 Please follow your heart.
Our test engine is an exam simulation that makes our candidates feel the atmosphere of 1z1-070 - Oracle Exadata X5 Administration Exam actual test and face the difficulty of certification exam ahead. Once you pay for our study materials, our system will automatically send you an email which includes the installation packages. You can conserve the 1z1-070 Valid Exam Sample real exam dumps after you have downloaded on your disk or documents.
When you decide to prepare for the Oracle certification, you must want to pass at first attempt. Now, make a risk-free investment in training and certification with the help of 1z1-070 Exam practice torrent. Our 1z1-070 Exam test engine allows you to practice until you think it is ok.
Oracle 1z1-070 Exam - We have 24/7 Service Online Support services.
Goldmile-Infobiz is a website specifically provide the certification exam information sources for IT professionals. Through many reflects from people who have purchase Goldmile-Infobiz's products, Goldmile-Infobiz is proved to be the best website to provide the source of information about certification exam. The product of Goldmile-Infobiz is a very reliable training tool for you. The answers of the exam exercises provided by Goldmile-Infobiz is very accurate. Our Goldmile-Infobiz's senior experts are continuing to enhance the quality of our training materials.
We sincerely offer you 24/7 online service. After you pay for our 1z1-070 Exam exam material online, you will get the link to download it in only 5 to 10 minutes.
1z1-070 PDF DEMO:
QUESTION NO: 1
Which three statements are true about Recovery Manager (RMAN) daily differential incremental backup strategies on an X5 Database Machine for a database having 25% or more of its blocks modified each day and which has an 8 k block size?
A. For level-0 backups, Block Change Tracking (BCT) is most beneficial when more than 25 percent of the blocks have changed since the last backup.
B. cellsrv returns only blocks that have changed since the last backup.
C. Enabling Block Change Tracking (BCT) on the database can result in a reduction of physical I/O on the cells during incremental backups.
D. For level-1 backups, Block Change Tracking (BCT) is most beneficial when more than 25 percent of the blocks have changed since the last backup.
E. Fast incremental backups when 50% or more of the blocks have changed since the last backup, will run as slowly as normal incremental backup.
F. Enabling Block Change Tracking (BCT) on the database can result in reduced consumption of storage network bandwidth.
Answer: B,C,E
Explanation:
A: Fast Incremental backups is possible with Block change tracking, which is initially introduced from version 10.2 onwards, by this tool it's very useful to reduce the RMAN incremental backup duration.
If the changes are something around 20% then in this situation BCT helps a lot.
C: Exadata Storage Server offload capability combined with RMAN block change tracking will efficiently perform large I/Os at the storage-tier level, returning only individual changed blocks for incremental backups and increasing the backup performance of the system.
Note: Level 1 backup: A level 1 backup includes only those blocks that have been changed since the
"parent" backup was taken. Remember a parent backup may be either a level 0 or a level 1 backup.
Block change tracking allows indeed the highest benefit for databases where the changes are not so high, Level 0 backup: A level 0 incremental backup is physically identical to a full backup and it includes every data block in the file except empty blocks. The only difference is that the level 0 backup is recorded as an incremental backup in the RMAN repository, so it can be used as the parent for a level 1 backup.
References:
http://www.dba-oracle.com/t_rman_backup_types.htm
http://www.oracle.com/technetwork/database/availability/maa-tech-wp-sundbm-backup-11202-
183503.pdf
https://www.toadworld.com/platforms/oracle/w/wiki/11124.fast-incremental-backups-active-data- guard
QUESTION NO: 2
You plan to migrate an existing production database supporting online transaction processing
(OLTP) workloads to an X6 Exadata Database Machine.
The database currently supports an application requiring fast response times to satisfy stringent business requirements, and most of the application queries use indexed access to tables.
For which two cases would you consider dropping indexes that are not used for constraints after the migration to assure that Smart Scans occur?
A. if Smart Scan performs better that any type of index scan on the corresponding table.
B. if Smart only occur instead of index range scans on the corresponding table.
C. if Smart only occur instead of index skip scans on the corresponding table.
D. if Smart Scans performs equally well to any type of index scan on the corresponding table.
Answer: A,B
QUESTION NO: 3
Which three statements are true about bulk data loading capabilities in an X5 Database
Machine environment?
A. DBFS may be used if Exadata-based shared storage is required to stage data before bulk loading into a database.
B. DBFS must use the DBFS_DG diskgroup for any DBFS store.
C. DBFS must be used to bulk load data into a production database on the Database Machine.
D. DBFS must be used to have a POSIX-compliant shared storage solution that is accessible from the database servers on a Database Machine.
E. ACFS may use the DBFS_DG diskgroup to contain the ADVM volume file.
F. ACFS may be used if Exadata-based shared storage is required to stage data before bulk loading into a database.
G. ACFS must be used to have a POSIX-compliant shared storage solution that is accessible from the database servers on a Database Machine.
Answer: A,C,D
Explanation:
External tables on DBFS file-systems provide the probably the most high-performance way to bulk load data into your database.
Bulk Data Loading
Describe the various options for staging data to be bulk loading into Database Machine Configure the
Database File System (DBFS) feature for staging input data files Use external tables based on input data files stored in DBFS to perform high-performance data loads
QUESTION NO: 4
You plan to migrate a database supporting both DSS and OLTP workloads to your new X5
Database Machine.
The workloads contain many complex aggregating functions and expensive joins on large partitioned tables in the DSS workload and indexed access for OLTP workloads.
Which three benefits accrue as a result of this migration?
A. Superior flash cache compression technique
B. Superior compression capability designed specifically for archival data
C. Superior compression capability designed specifically for OLTP workloads
D. Cell offload processing for indexed-organized table access
E. Superior compression capability designed specifically for data warehouse tables
F. Columnar storage capability for data in row major data blocks that is held in flash cache
Answer: B,C,E
Explanation:
There are 6 different kinds of Table Data Compression methods:
QUESTION NO: 5
Which two completely prevent a Smart Scan from occurring?
A. performing a minimum or maximum function on an indexed column
B. querying a table containing a JSON column
C. referencing more than 255 columns form an OLTP compressed table in a query
D. performing a Fast Full Index scan on a reverse key index
E. querying a table containing many migrated rows
F. querying a table containing many chained rows
Answer: C,E
Explanation:
B: Migrated Rows is a special case of chained rows. Migrated rows still affect performance, as they do in conventional storage situations, but with the additional overhead of reducing the beneficial effects of "Smart Scan" in addition to increasing the number of I/Os E: Smart Scans - broadly speaking and ignoring edge cases - can only transport a maximum of 254 columns from a single (non-HCC) segment.
Requesting more columns will simply disable Smart Scans for that segment.
An interesting limitation to Exadata Smart Scans - if more than 254 columns from a table (not HCC compressed, more on that in moment) need to be projected, Smart Scans for that particular segment will be disabled and Exadata will fall back to conventional I/O. This means that the number of columns in the projection clause can make a significant difference to performance, since only Smart
Scans allow taking advantage of offloading and particularly avoiding I/O via Storage Indexes.
Broadcom 250-589 - I believe that people want to have good prospects of career whatever industry they work in. If only you open it in the environment with the network for the first time you can use our Apple DEP-2025 training materials in the off-line condition later. In Goldmile-Infobiz's website you can free download study guide, some exercises and answers about Oracle certification HITRUST CCSFP exam as an attempt. So why still hesitate? Act now, join us, and buy our Microsoft AB-731 study materials. Do you want to pass Oracle certification ACAMS CAMS exam easily? Please add Goldmile-Infobiz's Oracle certification ACAMS CAMS exam practice questions and answers to your cart now!
Updated: May 28, 2022