Free Oracle 1z0-998-21 Exam Dumps Questions & Answers

Which two statements are true about a Virtual Cloud Network (VCN)?

• A.  A subnet for a VCN can be defined in different availability domains (AD).
• B.  A VCN cannot connect to another VCN,
• C.  A VCN can be used with only one DB system.
• D.  A VCN can reside only in a single region but can cross multiple ADs.

What are the three autonomous optimizations available in Autonomous transaction processing database?

• A.  columnar data formats
• B.  data caching to avoid IO
• C.  fast complex analytics
• D.  row data formats
• E.  creates missing indexes

Which three are important guidelines for the DB system OS updates?

• A.  Do not remove the packages from the DB system.
• B.  Install NetworkManager on the DB system.
• C.  Configure DB System's VCN to allow access to the YUM repository.
• D.  Backup the database prior to OS upgrade.
• E.  Must stop the clusterware in both nodes on 2-node RAC DB system.

You want to launch a DB system to support In-Memory Database and Active Data Guard; which edition would you select?

• A.  Database Standard Edition
• B.  Database Enterprise Edition High Performance
• C.  Database Enterprise Edition
• D.  Database Enterprise Edition Extreme Performance

Which two statements are true about VM DB systems?

• A.  It can have one or two nodes based on the shape selected for the DB system.
• B.  Number of CPU cores cannot be changed after the creation of the DB system.
• C.  It can have only one node with local storage.
• D.  It can have multiple database homes with different database software versions.