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Oracle Cloud Infrastructure 2022 Architect Professional Sample Questions (Q164-Q169):
NEW QUESTION # 164
You want to automate the processing of new Image files to generate thumbnails. the expected rate is 10 new files every hour.
Which of the following is the most cost effective option to meet this requirement in Oracle Cloud Infrastructure (OCI)?
- A. Upload files to an OCI Object storage bucket. Every time a file is uploaded, trigger an event with an action to provision a compute instance with a cloud-init script to access the file, process it and store it back in an Object storage bucket. Terminate the instance using Autoscaling policy after the processing is finished.
- B. Upload files to an OCI Object storage bucket. Every time a file is uploaded, an event is emitted. Write a rule to filter these events with an action to trigger a function in Oracle Functions. The function processes the image in the file and stores the thumbnails back in an Object storage bucket.
- C. Upload all files to an Oracle Streaming Service (OSS) stream. Set up a cron job to invoke a function in Oracle Functions to fetch data from the stream. Invoke another function to process the image files and generate thumbnails. Store thumbnails in another OSS stream.
- D. Build a web application to ingest the files and save them to a NoSQL Database. Configure OCI Events service to trigger a notification using Oracle Notification Service (ONS). ONS invokes a custom application to process the image files to generate thumbnails. Store thumbnails in a NoSQL Database table.
Answer: B
Explanation:
You can invoke a function that you've deployed to Oracle Functions by triggered by an event in the Events service when update the Object storage to fetch the data then the function can process the File and store back to Object storage
NEW QUESTION # 165
A developer is using Oracle Functions to deploy her code as part of an event-driven solution in Oracle Cloud Infrastructure (OCI). When she invokes her function, Oracle Functions returns a FunctionlnvokelmageNotAvailable message and a 502 error:
Which of the following options is NOT a plausible reason for this error?
- A. The function does not exist in the specified location in OCI Registry.
- B. OCI Events service rule is not configured with the correct location of the function in OCI Registry.
- C. The VCN being used does not have an internet gateway or a service gateway configured for Oracle Functions to be able to access OCI Registry.
- D. Missing or invalid IAM policy to give Oracle Functions read access to images stored for functions in repositories in OCI Registry.
Answer: B
NEW QUESTION # 166
A large financial company has a web application hosted in their on-premises data center. They are migrating their application to Oracle Cloud Infrastructure (OCI) and require no downtime while the migration is on-going. In order to achieve this, they have decided to divert only 30% of the application works fine, they divert all traffic to OCI.
As a solution architect working with this customer, which suggestion should you provide them?
- A. Use VPN connectivity between on premises Infrastructure and OCI, and create routing tables to distribute the traffic between them.
- B. Use OCI Traffic management with failover steering policy and distribute the traffic between OC1 and on premises infrastructure.
- C. Use an OCI load Balancer and distribute the traffic between OCI and on premises infrastructure.
- D. Use OCI Traffic management with Load Balancing steering policy and distribute the traffic between OCI and on premises infrastructure.
Answer: D
Explanation:
Traffic Management Steering Policies can account for health of answers to provide failover capabilities, provide the ability to load balance traffic across multiple resources, and account for the location where the query was initiated to provide a simple, flexible and powerful mechanism to efficiently steer DNS traffic.
NEW QUESTION # 167
A cost conscious fashions design company which sells bags, clothes, and other luxury items has recently decided to more all of the their on-premises infrastructure Oracle Cloud Infrastructure (OCI), One of their on-premises application is running on an NGINX server and the Oracle Database is running in a 2 node Oracle Real Application Clusters (RAC) configuration.
Based on cost considerations, what is an effective mechanism to migrate the customer application to OCI and set up regular automated backups?
- A. Launch a compute Instance and run a NGINX server to host the application. Deploy a 2 node VM DB Systems with oracle RAC enabled import the on premises database to OCI VM DB Systems using oracle Data Pump and then enable automatic backups.
- B. Launch a compute Instance for both the NGINX application server and the database server. Attach block volumes on the database server compute instance and enable backup policy to backup the block volumes.
- C. Launch a compute Instance and run an NGINX server to host the application. Deploy Exadata Quarter Rack, enable automatic backups and import the database using Oracle Data Pump.
- D. Launch a Compute instance and run a NGINX Server to host the application. Deploy a 2 node VM DB Systems with Oracle RAC enabled Import the on premises database to OCI VM DB Systems using data pump and then enable automatic backup- Also, enable Oracle Data Guard on the database server
Answer: A
Explanation:
Based on cost considerations will exclude the Exadata. and there's no need for Data Guard Cost Estimator
https://www.oracle.com/cloud/cost-estimator.html
NEW QUESTION # 168
You are responsible for migrating your on-premises legacy databases on 11.2.0.4 version to Autonomous Transaction Processing - Dedicated (ATP-D) in Oracle Cloud Infrastructure (OCI). As a solution architect, you need to plan your migration approach.
Which three options do you need to implement together to migrate your on-premises databases to OCI?
- A. Retain changes to Oracle shipped privileges, stored procedures or views in the on-premises databases.
- B. Use Oracle Data Guard to keep on-premises database always active during migration.
- C. Convert on-premises databases to PDB, upgrade to 19c, and encrypt.
- D. Launch Autonomous Transaction Processing - Dedicated database in OCI.
- E. Retain all legacy structures and unsupported features (e.g. legacy LOBs) in the on-premises databases for migration.
- F. Use Oracle GoldenGate replication to keep on-premises database online during migration.
Answer: C,D,F
NEW QUESTION # 169
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