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Oracle Cloud Database Services 2021 Specialist Sample Questions:

1. When configuring connectivity for hosts in the VCN, security lists contain defaults for implementing security rules. Which TWO additional rules are needed for database systems? (Choose all correct answers)

A) allows ONS and FAN traffic from within the VCN
B) allows Path MTU Discovery fragmentation messages
C) allows SQL*NET traffic from within the VCN
D) allows SSH traffic from anywhere

2. How many IP addresses do you need at a minimum for the client subnet when you plan to have four Exadata compute nodes on Exadata Cloud Service?

A) 18
B) 8
C) 4
D) 32
E) 14

3. Which three actions can you perform on a DB system that has an Oracle Data Guard association with a standby database?
(Choose all correct answers)

A) You can write on both primary and standby databases because DB system standby databases in Oracle Cloud Infrastructure Database are logical standbys.
B) You can terminate a primary database DB system.
C) You can switch over the primary database to the standby role, perform maintenance on the standby database, and then switch it back to the primary role.
D) You can use the reinstate command to return a failed database into standby role after correcting the cause of failure.
E) If the primary database becomes unavailable, then you can use Oracle Data Guard to fail over the standby database to the primary role.

4. You used the "Stop" option from the Console of an Exadata Cloud Service virtual machine within a VM cluster. What impact does this have?

A) All the databases and infrastructure associated with the Exadata Cloud Service are stopped.
B) The Stopped virtual machine is not available to any other database deployment.
C) All the virtual machines in the VM cluster are stopped.
D) The Exadata Cloud Service is stopped.

5. Which set of data types is supported by the NoSQL Database Cloud Service tables?

A) Iong, double, triple
B) enum, map, record
C) Boolean, date stamp, float
D) XML, JSON, array

Solutions: