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Oracle 1z0-998-21 Exam Syllabus Topics:

Oracle Database Cloud Service 2021 Specialist Sample Questions:

1. Which three are true about Transparent Data Encryption (TDE)?

A) TDE allows you to encrypt sensitive data in individual columns.
B) TDE overrides access controls configured using Oracle Database Vault.
C) dbcli update_tdekey command is used to update the master encryption key for a PDB.
D) When the TDE master encryption key is reset, backups taken using the old TDE master encryption key become obsolete.
E) Set encrypt new table spaces parameter to false to stop encrypting the tablespaces.
F) TDE stores the master key outside the database in an external security module.

2. What is the use of port 6200 on a DB system?

A) Oracle Enterprise Manager Database Console
B) EM Express Console
C) Oracle High Availability Services
D) Oracle Notification Services (ONS)

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

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

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

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

5. Which are the three considerations for choosing a migration method?

A) source database with TDE not enabled
B) acceptable time of system outage
C) database version
D) source database in mount state always
E) network bandwidth

Solutions: