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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 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: 3 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: 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.
In the progress of practicing our IBM C1000-189 study materials, our customers improve their abilities in passing the IBM C1000-189 exam, we also upgrade the standard of the exam knowledge. So our CrowdStrike CCFA-200bpractice materials have great brand awareness in the market. Our company attaches great importance to overall services on our SAP C_ARP2P_2508 study guide, if there is any problem about the delivery of SAP C_ARP2P_2508 exam materials, please let us know, a message or an email will be available. Our ARDMS AE-Adult-Echocardiography study questions have simplified the complicated notions and add the instances, the stimulation and the diagrams to explain any hard-to-explain contents. Our SAP C_ARCON_2508 exam practice is carefully compiled after many years of practical effort and is adaptable to the needs of the SAP C_ARCON_2508 exam.
Updated: May 28, 2022
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Every page is carefully arranged by our experts with clear layout and helpful knowledge to remember. Our 1z1-070 Latest Test Collection Sheet exam questions just focus on what is important and help you achieve your goal.
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 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: 3 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: 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.
In the progress of practicing our IBM C1000-189 study materials, our customers improve their abilities in passing the IBM C1000-189 exam, we also upgrade the standard of the exam knowledge. So our CrowdStrike CCFA-200bpractice materials have great brand awareness in the market. Our company attaches great importance to overall services on our SAP C_ARP2P_2508 study guide, if there is any problem about the delivery of SAP C_ARP2P_2508 exam materials, please let us know, a message or an email will be available. Our ARDMS AE-Adult-Echocardiography study questions have simplified the complicated notions and add the instances, the stimulation and the diagrams to explain any hard-to-explain contents. Our SAP C_ARCON_2508 exam practice is carefully compiled after many years of practical effort and is adaptable to the needs of the SAP C_ARCON_2508 exam.
1Z1-070 Latest Test Collection Sheet & Oracle Exadata X5 Administration Test Vce Free - Goldmile-Infobiz
Not every company can make such a promise of "no help, full refund" as our Goldmile-Infobiz. However, the 1z1-070 Latest Test Collection Sheet exam is not easy to pass, but our Goldmile-Infobiz have confidence with their team. Our Goldmile-Infobiz's study of 1z1-070 Latest Test Collection Sheet exam make our 1z1-070 Latest Test Collection Sheet exam software effectively guaranteed. Many candidates can’t successfully pass their real exams for the reason that they are too nervous to performance rightly as they do the practices. This Software version of 1z1-070 Latest Test Collection Sheet practice materials will exactly help overcome their psychological fear. 1z1-070 Latest Test Collection Sheet questions and answers are valuable and validity, which will give you some reference for the actual test.
Oracle Exadata 1z1-070 PayPal doesn't have extra costs.
I believe our 1z1-070 - Oracle Exadata X5 Administration Latest Test Collection Sheet test braindumps will bring you great convenience. The free demos of Authorized 1z1-070 Exam Dumps study quiz include a small part of the real questions and they exemplify the basic arrangement of our Authorized 1z1-070 Exam Dumps real test. They also convey an atmosphere of high quality and prudent attitude we make.
And we are consigned as the most responsible company in this area. So many competitors concede our superior position in the market. Besides, we offer some promotional benefits for you.
But our Oracle 1z1-070 Latest Test Collection Sheet exam questions have made it.
Our 1z1-070 Latest Test Collection Sheet practice dumps are so popular that all our customers are giving high praise on its high-quality to help them pass the exams. Numerous of warming feedbacks from our worthy customers give us data and confidence. We have clear data collected from customers who chose our 1z1-070 Latest Test Collection Sheet training engine, the passing rate is 98-100 percent. So your chance of getting success will be increased greatly by our 1z1-070 Latest Test Collection Sheet exam questions!
Every page is carefully arranged by our experts with clear layout and helpful knowledge to remember. Our 1z1-070 Latest Test Collection Sheet exam questions just focus on what is important and help you achieve your goal.
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 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: 3 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: 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.
In the progress of practicing our IBM C1000-189 study materials, our customers improve their abilities in passing the IBM C1000-189 exam, we also upgrade the standard of the exam knowledge. So our CrowdStrike CCFA-200bpractice materials have great brand awareness in the market. Our company attaches great importance to overall services on our SAP C_ARP2P_2508 study guide, if there is any problem about the delivery of SAP C_ARP2P_2508 exam materials, please let us know, a message or an email will be available. Our ARDMS AE-Adult-Echocardiography study questions have simplified the complicated notions and add the instances, the stimulation and the diagrams to explain any hard-to-explain contents. Our SAP C_ARCON_2508 exam practice is carefully compiled after many years of practical effort and is adaptable to the needs of the SAP C_ARCON_2508 exam.
