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QUESTION NO: 1
A leading insurance firm is hosting its customer portal in Oracle Cloud Infrastructure (OCI)
Container Engine for Kubernetes with an OCI Autonomous Database. Their support team discovered a lot of SQL injection attempts and cross-site scripting attacks to the portal, which is starting to affect the production environment.
What should they implement to mitigate this attack?
A. Network Security Firewall
B. Web Application Firewall
C. Network Security Groups
D. Network Security Lists
Answer: B
Explanation
Oracle Cloud Infrastructure Web Application Firewall (WAF) is a cloud-based, Payment Card Industry
(PCI) compliant, global security service that protects applications from malicious and unwanted internet traffic.
WAF can protect any internet facing endpoint, providing consistent rule enforcement across a customer's applications.
WAF provides you with the ability to create and manage rules for internet threats including Cross-Site
Scripting (XSS), SQL Injection and other OWASP-defined vulnerabilities. Unwanted bots can be mitigated while tactically allowed desirable bots to enter. Access rules can limit based on geography or the signature of the request.
QUESTION NO: 2
You are working on a cloud native e-commerce application on Oracle Cloud Infrastructure
(OCI). Your application architecture has multiple OCI services, including Oracle Functions. You need to trigger these functions directly from other OCI services, without having to run custom code.
Which OCI service cannot trigger your functions directly?
A. OCI Registry
B. OCI API Gateway
C. OCI Events Service
D. Oracle Integration
Answer: C
Explanation
Oracle Functions is a fully managed, multi-tenant, highly scalable, on-demand, Functions-as-a-Service platform. It is built on enterprise-grade Oracle Cloud Infrastructure and powered by the Fn Project open source engine. Use Oracle Functions (sometimes abbreviated to just Functions) when you want to focus on writing code to meet business needs.
The serverless and elastic architecture of Oracle Functions means there's no infrastructure administration or software administration for you to perform. You don't provision or maintain compute instances, and operating system software patches and upgrades are applied automatically.
Oracle Functions simply ensures your app is highly-available, scalable, secure, and monitored. With
Oracle Functions, you can write code in Java, Python, Node, Go, and Ruby (and for advanced use cases, bring your own Dockerfile, and Graal VM).
You can then deploy your code, call it directly or trigger it in response to events, and get billed only for the resources consumed during the execution.
QUESTION NO: 3
You are using Oracle Cloud Infrastructure (0CI) Resource Manager to manage your infrastructure lifecycle and wish to receive an email each time a Terraform action begins.
How should you use the OCI Events service to do this without writing any code?
A. Create an OCI Email Delivery configuration with the destination email address. Then create an OCI
Events rule matching "Resource Manager Job - Create" condition, and select the email configuration for the corresponding action.
B. Create a rule in OCI Events service matching the "Resource Manager Stack - Update" condition.
Then select "Action Type: Email" and provide the destination email address.
C. Create an OCI Notifications topic and email subscription with the destination email address. Then create an OCI Events rule matching "Resource Manager Stack - Update" condition, and select the notification topic for the corresponding action.
D. Create an OCI Notification topic and email subscription with the destination email address. Then create an OCI Events rule matching "Resource Manager job - Create" condition, and select the notification topic for the corresponding action.
Answer: D
QUESTION NO: 4
Per CAP theorem, in which scenario do you NOT need to make any trade-off between the guarantees?
A. when you are using load balancers
B. when there are no network partitions
C. when the system is running on-premise
D. when the system is running in the cloud
Answer: B
Explanation
CAP THEOREM
"CONSISTENCY, AVAILABILITY and PARTITION TOLERANCE are the features that we want in our distributed system together" Of three properties of shared-data systems (Consistency, Availability and tolerance to network Partitions) only two can be achieved at any given moment in time.
QUESTION NO: 5
Which concept is NOT related to Oracle Cloud Infrastructure Resource Manager?
A. Plan
B. Job
C. Stack
D. Queue
Answer: D
Explanation
https://docs.cloud.oracle.com/en-
us/iaas/Content/ResourceManager/Concepts/resourcemanager.htm Following are brief descriptions of key concepts and the main components of Resource Manager.
CONFIGURATION
Information to codify your infrastructure. A Terraform configuration can be either a solution or a file that you write and upload.
JOB
Instructions to perform the actions defined in your configuration. Only one job at a time can run on a given stack; further, you can have only one set of Oracle Cloud Infrastructure resources on a given stack. To provision a different set of resources, you must create a separate stack and use a different configuration.
Resource Manager provides the following job types:
Plan: Parses your Terraform configuration and creates an execution plan for the associated stack. The execution plan lists the sequence of specific actions planned to provision your Oracle Cloud
Infrastructure resources. The execution plan is handed off to the apply job, which then executes the instructions.
Apply. Applies the execution plan to the associated stack to create (or modify) your Oracle Cloud
Infrastructure resources. Depending on the number and type of resources specified, a given apply job can take some time. You can check status while the job runs.
Destroy. Releases resources associated with a stack. Released resources are not deleted. For example, terminates a Compute instance controlled by a stack. The stack's job history and state remain after running a destroy job. You can monitor the status and review the results of a destroy job by inspecting the stack's log files.
Import State. Sets the provided Terraform state file as the current state of the stack. Use this job to migrate local Terraform environments to Resource Manager.
STACK
The collection of Oracle Cloud Infrastructure resources corresponding to a given Terraform configuration.
Each stack resides in the compartment you specify, in a single region; however, resources on a given stack can be deployed across multiple regions. An OCID is assigned to each stack.
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Updated: May 28, 2022