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Last Updated: Oct 17, 2026
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Oracle 1z0-997-21 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Security and Compliance | - IAM policies, compartments, federation and SSO - Encryption, firewall rules, WAF and compliance controls - Cloud Guard, Security Zones, Vault and Key Management |
| Cloud Native Architecture & Automation | - Serverless and event-driven design - Infrastructure as Code: Terraform, Resource Manager, CLI - Microservices, containers and OKE |
| Migration & Hybrid Cloud | - Data transfer services and tools - Workload migration strategies: lift-and-shift, refactor - Hybrid architecture design and operations |
| Design and Operate Database Services | - Choose and deploy OCI database offerings - Implement database security, backup and recovery - Database migration and replication methods |
| Design and Implement Networking | - Design hybrid and multi-cloud connectivity - Design VCN topology, subnets, route tables, gateways - Implement FastConnect, Site-to-Site VPN, Remote Access VPN |
| Design for High Availability and Disaster Recovery | - Load balancing, failover and traffic management - RTO/RPO planning, backup and replication strategies - Availability domains, fault domains, regions and replicas |
| Monitoring, Governance & Cost Optimization | - Tagging, quota management and billing controls - Right-sizing and cost optimization strategies - Logging, metrics, alarms and observability |
1z0-997-21 Exam Preparation FAQ
The official Oracle Cloud Infrastructure 2021 Architect Professional outline splits the exam into 7 domains, led by Migration & Hybrid Cloud, Cloud Native Architecture & Automation, and Design for High Availability and Disaster Recovery. The complete breakdown is in the topics section above; Exams-boost's 145 practice questions cover every domain listed.
A complete preparation package: 145 practice questions for the Oracle Cloud Infrastructure 2021 Architect Professional exam in three formats — a printable, expert-prepared PDF with instant download; a Desktop Test Engine for Windows that simulates the real exam with two practice modes and works offline; and an Online Test Engine for any browser on Windows, Mac, Android, and iOS with test history and performance review. Also included: a free demo, 365 days of free updates, a 50% renewal discount afterward, unlimited computer installations, 24-hour online customer service, and remote assistance from professional personnel when needed.
The Oracle Cloud Infrastructure 2021 Architect Professional exam includes 50 to answer within 120 minutes. Rehearsing that pace in the Exams-boost Desktop Test Engine turns time pressure into a familiar routine.
Must hold Oracle Cloud Infrastructure 2021 Certified Architect Associate or equivalent Rules are updated occasionally, so confirm the current requirements on the official Oracle exam page before you book.
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The 1z0-997-21 exam is a Oracle certification exam validating the knowledge in the Oracle Cloud Infrastructure 2021 Architect Professional syllabus shown above. It contributes to these credential paths: Oracle Cloud Infrastructure 2021 Certified Architect Associate. Candidates take it to prove their skills to employers in 2026's market, and Exams-boost prepares them with 145 practice questions in PDF, Desktop Test Engine, and Online Test Engine formats.
Oracle recommends these training resources for the Oracle Cloud Infrastructure 2021 Architect Professional exam:
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The Oracle Cloud Infrastructure 2021 Architect Professional exam requires 70% to pass, and registration costs USD 245. Retakes cost the same again, so a readiness check with the Exams-boost practice engines is a worthwhile step before booking.
Oracle Cloud Infrastructure 2021 Architect Professional Sample Questions:
A company has an urgent requirement to migrate 300 TB of data to Oracle Cloud Infrastructure (OCI) In two weeks. Their data center has been recently struck by a massive hurricane and the building has been badly damaged, although still operational. They have a 100 Mbps Internet line but the connection is Intermittent due to the damages caused to the electrical grid in this scenario, what is the most effective service to use to migrate the data to OCI given the time constraints?
- A. Setup a OCI Storage Gateway to connect your data center and your VCN. Once the connection has been established, upload all data to OCI using OCI Storage Gateway Cloud Sync tool.
- B. Upload the data to OCI using OCI Object Storage multipart upload tool.
- C. Setup a hybrid network by launching aIGbpsFastConnect virtual circuit between your data center and OCI. Use OCI Object storage multipart upload tool to automate the migration of your data to OCI.
- D. Use multiple OCI Data Transfer Appliances to transfer data to OCI.
- E. Storage Gateway to connect your data center and your VCN. Once the connection has been established, upload all data to OCI.
Correct Answer: D 🗳️
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An upcoming e-commerce company has deployed their online shopping application on OCI. The application was deployed on compute instances with autoscaling configuration for application servers fronted by a load balancer and OCI Autonomous Transaction Processing (ATP) in the backend.
In order to promote their e-commerce platform 50% discount was announced on all the products for a limited period. During the day 1 of promotional period it was observed that the application is running slow and company's hotline is flooded with complaints.
What could be two possible reasons for this situation?
- A. As part of autoscaling, the load balancer shape has dynamically changed to a larger shape to handle more incoming traffic and the system was slow for a short time during this change
- B. The autoscaling has already scaled to the maximum number of instances specified in the configuration and there is no room of scaling
- C. The health check on some of the backend servers has failed and the load balancer has taken those servers temporarily out of rotation
- D. The health check on some of the backend servers has failed and the load balancer was rebooting these servers.
Correct Answer: B,C 🗳️
You have deployed a multi-tier application with multiple compute instances in Oracle Cloud Infrastructure. You want to back up these volumes and have decided to use Volume Group's feature. The Block volume and Compute instances exist in different compartments within your tenancy.
Periodically. a few child compartments are moved under different parent compartments, and you notice that sometimes volume group backup fails.
What could be the cause?
- A. The Identity and Access Management policy allowing backup failed to move when the compartment was moved.
- B. You are exceeding your volume group backup quota configured.
- C. Compute instance with multiple block volumes attached cannot move when a compartment is moved.
- D. You have the same block volume attached to multiple compute instances; if these compute instances are in different compartments then all concerned compartments must be moved at the same time.
Correct Answer: A 🗳️
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Your security team has informed you that there are a number of malicious requests for your web application coming from a set of IP addresses originating from a country in Europe.
Which of the following methods can be used to mitigate these type of unauthorized requests?
- A. Delete Internet Gateway from Virtual Cloud Network.
- B. Deny rules in Virtual Cloud Network Security Group for the specific set of IP addresses.
- C. Deny rules in Virtual Cloud Network Security Lists for the specific set of IP addresses.
- D. Web Application Firewall policy using access control rules
Correct Answer: D 🗳️
You work for a bank as the lead Oracle Cloud Infrastructure architect. You designed a highly scalable solution for your company's banking application. The architecture includes a load balancer, application servers with autoscaling configuration based on CPU utilization, and an Autonomous Database with Transaction Processing workload type running in a Virtual Cloud Network (VCN).
During the peak utilization period, the application users complain that the application runs slow.
What are two possible reasons for the application running slow at times? (Choose two.)
- A. The VCN does not have a Network Security Group configured to allow traffic from the load balancer to all the application servers in the backend set.
- B. Instance pool in autoscaling configuration for the Autonomous Database did not scale out due to misconfigured scaling policy.
- C. Instance pool in autoscaling configuration for the application servers did not scale out due to compartment quota breach of the VM shapes used by the application servers.
- D. The load balancer is not configured correctly to send traffic to all the listeners of the application servers in the backend set.
- E. Instance pool in autoscaling configuration for the application servers did not scale out due to service limit breach of the VM shapes used by the application servers.
Correct Answer: C,E 🗳️
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