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Oracle 1z0-998-21 Exam Syllabus Topics:

Section	Objectives
Topic 1: Security and Access Control	- Identity and access management 1. Database authentication methods 2. IAM policies and roles - Data protection 1. Encryption at rest and in transit 2. Vault and key management
Topic 2: Performance and Monitoring	- Performance tuning 1. Resource management 2. SQL tuning concepts - Monitoring tools 1. Performance Hub usage 2. OCI Monitoring service
Topic 3: Oracle Cloud Database Services Overview	- Autonomous Database Concepts 1. Autonomous Data Warehouse 2. Autonomous Transaction Processing - OCI Database Service Architecture 1. Shared responsibilities model 2. Service deployment options
Topic 4: Provisioning and Management	- Lifecycle management 1. Scaling and patching 2. Backup and restore operations - Database provisioning 1. Compute and storage configuration 2. Service creation workflows
Topic 5: Migration and Integration	- Database migration strategies 1. Data Pump migration 2. Cloud migration tools - Integration services 1. Hybrid cloud integration 2. API and connectivity options

Oracle Database Cloud Service 2021 Specialist Sample Questions:

1. Which type of DB system(s) would provide Instance isolation?

A) Exadata DB systems only
B) Bare metal DB systems only
C) Virtual Machine DB systems only
D) Bare metal and virtual machine DB systems

2. Which two statements are true about the network security?

A) Permissions can be used to isolate networking between compartments and VCNs.
B) Tenancies cannot be completely network isolated.
C) Access between the tenancies can be restricted with the same availability domain.
D) Access can be restricted between the tenancies and within the tenancy itself.
E) Subnets can be created only within an availability domain.

3. Examine the command:
dbcli describe-component
What information will you get by executing this command?

A) displays the installed patch versions for the DB system
B) displays all the components related to the Object Storage
C) displays all the storage objects created
D) displays the latest patch available for the DB system

4. Which is the default choice for the DNS names resolution for the instances in your VCN?

A) Internet and VCN Resolver
B) Internet Gateway
C) Custom Resolver
D) Dynamic Routing Gateway

5. You created a new PDB in a VM DB system and while creating a tablespace in the PDB an error is returned:
ORA-28374: typed master key not found in wallet.
Which three options would resolve this problem?

A) Disable the auto-login wallet and convert the wallet to password wallet.
B) Change the location of the auto-login wallet.
C) Activate the master encryption key for the newly created PDB.
D) Delete the encryption wallet entry from the sqlnet.orA.
E) Re-enable the auto-login wallet.

Solutions:

Question # 1
Answer: B

Question # 2
Answer: A,D

Question # 3
Answer: A

Question # 4
Answer: A

Question # 5
Answer: A,B,C