Oracle 1Z0-078 Certification Exam: Sample Questions and Answers

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2. For Oracle 1Z0-078 Exam

3. Preparation Tips for 1Z0-078 Certification 1. Perform enough practice with Oracle system on related Oracle 1Z0-078 certification subjects. 2. Identify the key configuration, workflow and data flow. 3. Understand all Syllabus Topics of the Exam. 4. Identify your weak areas from practice test and do more practice with system. 5. Repeat practice exams and try to score 100% on www.DBexam.com.

4. 1Z0-078 Certification Detail Exam Code 1Z0-078 Full Exam Name Oracle Database 19c - RAC, ASM, and Grid Infrastructure Administration 77 Number of Questions Practice Exams 1Z0-078 Online Practice Exam Passing Score 65% Time Limit 120 minutes Recommended Training Oracle Database 19c: RAC Administration Workshop Oracle Database 19c: ASM Administration Workshop Oracle Database 19c: Clusterware Administration Workshop

5. Syllabus Topics for Oracle 1Z0-078 Exam Topic Name RAC Databases and Architecture Installing and Configuring Oracle RAC Administering Oracle RAC Managing Backup and Recovery for RAC Managing Global Resources RAC Database Monitoring and Tuning Managing High Availability of Services Managing High Availability for Connections and Applications Upgrading and Patching Oracle RAC Managing Oracle RAC One Node Using Oracle Database Quality of Service Management (QoS) Using Multitenant Architecture in a RAC Environment

6. Syllabus Topics for Oracle 1Z0-078 Exam Topic Name Grid Infrastructure Administration Introduction to Clusterware Oracle Clusterware Architecture Flex Clusters Grid Infrastructure Installation Planning and Pre-Tasks Grid Infrastructure Installation Managing Cluster Nodes Traditional Clusterware Management Policy-Based Cluster Management Upgrading and Patching Grid Infrastructure Troubleshooting Oracle Clusterware Making Applications Highly Available with Oracle Clusterware

7. Syllabus Topics for Oracle 1Z0-078 Exam Topic Name Automatic Storage Management (ASM) Administration Overview of ASM Administering ASM Instances FLEX ASM Administering ASM Disk Groups Administering ASM Disk Groups Administering Oracle CloudFS Oracle CloudFS Advance Topics

8. Oracle 1Z0-078 Exam Questions ?

9. 01. You are managing a policy-managed three-instance RAC database. You ran database ADDM for the database and noticed gc current block congested and gc cr block congested waits. What are two possible reasons for these wait events? Option a) The wait events indicate a delay in processing has occurred in the Global Cache Services (GCS), which is usually caused by high load. b) The wait times indicate that the blocks must wait after initiating a gc block request, for the round trip from the start of the wait until the blocks arrive. c) The wait events indicate that there is block contention resulting in multiple requests for access to local blocks. d) The wait events indicate that the local instance making the request for current or consistent read blocks was waiting for logical I/O from its own buffer cache at the same time.

10. ANSWER a) The wait events indicate a delay in processing has occurred in the Global Cache Services (GCS), which is usually caused by high load. b) The wait times indicate that the blocks must wait after initiating a gc block request, for the round trip from the start of the wait until the blocks arrive.

11. 02. A Java application using thick JDBC connections will soon be deployed, and you must configure a RAC database to support highly available connections. Broken connections must be re-established as quickly as possible. Which feature will support this requirement? Option a) Fast Connection Failover (FCF) with Transparent Application Failover (TAF) b) Transparent Application Failover (TAF) c) Transparent Application Failover (TAF) using Fast Application Notification (FAN) d) Fast Connection Failover (FCF)

12. ANSWER d) Fast Connection Failover (FCF)

13. 03. You have a four-node cluster with four node VIPS and three scan VIPS already In use after Oracle Grid Infrastructure installation. You plan to manage a customerdeveloped, web-based application with the Oracle Grid Infrastructure to provide high availability. Which two statements are true about the vip application resource that must be created? Option a) The vip application must be active on the same subnet and ethernet adaptor as the, Interconnect. b) The vip application must be active on the same subnet and ethernet adaptor as the public ip Address. c) The vip application must not be online on the same node as any of the scan vips. d) The vip application must be active on a different node than the application depending on Che by using the dispersion start dependency in the resource definition. e) The vip application must be enabled to run as the root user.

14. ANSWER b) The vip application must be active on the same subnet and ethernet adaptor as the public ip Address. e) The vip application must be enabled to run as the root user.

15. 04. Which two statements are true about database service administration in a RAC environment? Option a) When services are created with srvctl, tnsnames.ora is automatically updated. b) When services are created with srvctl, the service is not started automatically. c) Service attributes can be modified, unless an instance hosting the service is in restricted mode. d) When the DBMS_SERVICE package is used to modify a service, the CRS resource is automatically synchronized with the changes. e) When the DBMS_SERVICE package is used to delete a service, it is automatically removed from the OCR. f) When services are started with srvctl, they are automatically added to the data dictionary of the hosting database if not already defined.

16. ANSWER b) When services are created with srvctl, the service is not started automatically. f) When services are started with srvctl, they are automatically added to the data dictionary of the hosting database if not already defined.

17. 05. The Global Cache Block Access Latency chart shows high elapsed times. What are two possible causes for this? Option a) badly written SQL statements b) storage network bottlenecks c) a large number of requested blocks not cached in any instance d) slow or faulty interconnect

18. ANSWER a) badly written SQL statements d) slow or faulty interconnect

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