Free Oracle 1z0-998-21 Practice Test & Real Exam Questions

Exam Code/Number: 1z0-998-21
Exam Name/Title: Oracle Database Cloud Service 2021 Specialist
Certification Provider: Oracle
Corresponding Certification: Oracle Database Cloud

Exam Questions: 76
Updated On: Aug 16, 2026

Question #1

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

A. Set encrypt new table spaces parameter to false to stop encrypting the tablespaces.

B. TDE stores the master key outside the database in an external security module.

C. TDE overrides access controls configured using Oracle Database Vault.

D. TDE allows you to encrypt sensitive data in individual columns.

E. dbcli update_tdekey command is used to update the master encryption key for a PDB.

F. When the TDE master encryption key is reset, backups taken using the old TDE master encryption key become obsolete.

Discussion 0

Correct Answer: A,D,E Vote an answer

Question #2

Which three are the features of the manageable boot disks for compute instances?

A. Boot volumes help the instances to be launched faster than usual.

B. Boot volume can be preserved after an instance is terminated and can be reused with a new instance.

C. Boot volumes can be reused with new instances but with same shapes.

D. A boot volume can be associated with more than one instance.

E. By default, all the boot volumes are encrypted.

Discussion 0

Correct Answer: A,B,E Vote an answer

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Question #3

Which three statements are true about the OCI Object Storage Service?

A. It allows to store or retrieve data directly from the internet or from within the cloud platform.

B. It can store finite amount of unstructured data, analytical data, and rich content.

C. It allows to save the data in Object Storage bucket over the OCI backbone.

D. It is a high performance storage platform that offers reliable and cost-efficient data durability.

E. It does not support the private access from OCI resources in a VCN through a service gateway.

F. It is tied to a specific compute instance.

Discussion 0

Correct Answer: A,C,F Vote an answer

Question #4

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

A. Backup the database prior to OS upgrade.

B. Configure DB System's VCN to allow access to the YUM repository.

C. Install NetworkManager on the DB system.

D. Do not remove the packages from the DB system.

E. Must stop the clusterware in both nodes on 2-node RAC DB system.

Discussion 0

Correct Answer: A,B,D Vote an answer

Explanation: Only visible for Pass4Leader members. You can sign-up / login (it's free).

Question #5

Which three are the features of the different DB systems in Oracle Cloud Infrastructure?

A. RAC is available in VM and Exadata DB systems.

B. All DB systems can have multiple database editions and versions.

C. CPUs can be scaled up for bare metal and Exadata DB systems.

D. CPU can be scaled up for full rack only in Exadata DB systems.

E. Storage can be scaled up for the VM DB systems only.

Discussion 0

Correct Answer: A,C,E Vote an answer

Question #6

Which two important factors need to considered while configuring a DB system?

A. Dynamic Routing Gateway

B. Cluster Time Synchronization Service

C. Network Time Protocol

D. Service Gateway

E. Transparent Data Encryption

Discussion 0

Correct Answer: C,E Vote an answer

Explanation: Only visible for Pass4Leader members. You can sign-up / login (it's free).

Question #7

Which three are PaaS services?

A. Big Data Cloud

B. Oracle Analytics Cloud

C. Oracle Enterprise Performance Management Cloud

D. Oracle Tax Reporting Cloud

E. Data Integration Platform Cloud

Discussion 0

Correct Answer: A,B,E Vote an answer

Explanation: Only visible for Pass4Leader members. You can sign-up / login (it's free).

Question #8

Which two statements are true about the network security?

A. Subnets can be created only within an availability domain.

B. Access can be restricted between the tenancies and within the tenancy itself.

C. Permissions can be used to isolate networking between compartments and VCNs.

D. Tenancies cannot be completely network isolated.

E. Access between the tenancies can be restricted with the same availability domain.

Discussion 0

Correct Answer: B,C Vote an answer

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