Question 1

In a key-value NoSQL database, what is the primary mechanism for accessing data?

Options :

A : Using SQL queries to filter and retrieve data based on complex criteria.

B : Using a unique key to retrieve the associated value directly.

C : Traversing relationships between nodes to find related data.

D : Scanning all documents in the database to find matching data.

Answer: B

Question 2

Which of the following is the recommended approach for migrating a large, mission-critical database from an on-premises Exadata system to Exadata Database Service with minimal downtime?

Options :

A : Traditional export/import using Data Pump over a public network.

B : Creating a physical standby database using Data Guard and switching over to the standby in OCI.

C : Performing a full backup and restore to a new Exadata Database Service instance.

D : Using SQL Developer to copy the data over a VPN connection.

Answer: B

Question 3

Which of the following is a TRUE statement regarding the storage options typically available when launching an Oracle Cloud Infrastructure (OCI) Base Database Service (BaseDB) virtual machine (VM)?

Options :

A : Block Volumes provide the primary storage and are directly attached to the VM.

B : Object Storage is the default storage option for database datafiles.

C : Local NVMe storage is always the default for BaseDB.

D : File Storage is mandatory for database backups.

Answer: A

Question 4

What role does the Exadata Storage Server Software play within the Exadata Database Service architecture?

Options :

A : It manages the virtual machines hosting the database instances.

B : It provides the operating system and management software for the database servers.

C : It provides intelligent storage capabilities, including data filtering, compression, and encryption.

D : It acts as a load balancer distributing connections across the database instances.

Answer: C

Question 5

Which BaseDB lifecycle management activity is MOST directly associated with ensuring the continued availability of a database instance during a planned maintenance window?

Options :

A : Taking a full database backup using RMAN.

B : Performing an in-place upgrade of the database software.

C : Using Oracle Data Guard for a switchover operation.

D : Applying a quarterly security patch.

E : Resizing the block volume storage.

Answer: C

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