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You are tasked with developing an application that requires the use of Oracle Cloud Infrastructure (OCI) APIs to POST messages to a stream in the OCI Streaming service. Which statement is incorrect? An HTTP 401 will be returned if the client's clock is skewed more than 5 minutes from the server's. The request must include an authorization signing string including (but not limited to) x- content- sha256, content-type, and content-length headers. The request does not require an Authorization header. The Content-Type header must be Set to application/json Which two statements are true for serverless computing and serverless architectures? Long running tasks are perfectly suited for serverless Application DevOps team is responsible for scaling Applications running on a FaaS (Functions as a Service) platform Serverless function execution is fully managed by a third party Serverless function state should never be stored externally You are using Oracle Cloud Infrastructure (OCI), 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? 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. 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. 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. 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.
Which testing approaches is a must for achieving high velocity of deployments and release of cloud- native applications? Integration testing Automated testing A/B testing Penetration testing As a cloud-native developer, you have written a web service for your company. You have used Oracle Cloud Infrastructure (OCI) API Gateway service to expose the HTTP backend. However, your security team has suggested that your web service should handle Distributed Denial-of-Service (DDoS) attack. You are time-constrained and you need to make sure that this is implemented as soon as possible. what should you do in this scenario? Re-write your web service and implement rate limiting. Use OCI virtual cloud network (VCN) segregation to control DDoS. Use a third party service integration to implement a DDoS attack mitigation. Use OCI API Gateway service and configure rate limiting. As a developer, you have been asked to develop an e-commerce website for your organization. Your website must support different clients including desktop browsers, mobile browsers, and native mobile applications. Which TWO approaches would you use to build an application that is resilient to architectural changes, has deployment independence, and allows easier technology upgrades? Choose a monolithic approach over microservices because it has better fault isolation capability Implement each module as an independent service or process, which can be replaced, upgraded, or deleted without disrupting the rest of the application Use the microservices architecture because it eliminates any long-term commitment to a technology stack Build the application as a single unit and use the container technology to deploy it Use a monolithic approach because it makes it easier to incrementally adapt to newer technology Use a monolithic approach to perform frequent updates because it allows you to easily redeploy your applications
Which technique is used for testing the entire user flow as well as the moving parts of a cloud native app, ensuring that there are no high-level discrepancies? Unit Testing Integration Testing End-to-end Testing Component Testing Contract Testing As a developer, you are tasked with moving an in-house application to a public cloud without requiring any infrastructure upgrade. Which term describes this cloud development approach? Cloud Native Cloud Agnostic Cloud Based Cloud Enabled What is the difference between continuous delivery and continuous deployment in the DevOps methodology? Continuous delivery utilizes automatic deployment to a development environment, whereas continuous deployment involves automatic deployment to a production environment Continuous delivery involves automation of developer tasks, whereas continuous deployment involves manual oper You are using OCI Resource Manager to manage your infrastructure lifecycle and wish to receive an email each time a Terraform action begins. ational tasks Continuous delivery is a process that initiates deployment manually, whereas continuous deployment is based on automating the deployment process Continuous delivery requires automatic linting, whereas continuous deployment testing must be run manually
Which is NOT a valid use case for leveraging the OCI Events service? Publishing all the OCI resource events in a specific compartment to the OCI Streaming services for later analysis Triggering a notification action when a function completes its execution Triggering a function deployed in Oracle Functions when new files are uploaded to an OCI Object Storage bucket Publishing a notification when long-lived tasks complete, such as an OCI ADB backup completion Capturing the OCI Monitoring service alarms and invoking autoscaling of compute instances 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? OCI Registry. Oracle Integration. OCI Events Service. OCI API Gateway. You are developing a serverless application with Oracle Functions. Your function needs to store state in a database. Your corporate security Standards mandate encryption of secret information like database passwords. As a function developer, which approach should you follow to satisfy this security requirement? Use OCI Console and enter the password in the function configuration section in the provided input field. Encrypt the password using OCI Key Management, decrypt this password in your function code with the generated key. All function configuration variables are automatically encrypted by Oracle Functions. Use OCI Key Management to auto-encrypt the password, it will inject the auto-decrypted password inside your function container.
You created a pod called "nginx" and its state is set to Pending. Which command can you run to see the reason why the "nginx" pod is in the pending state? Through the OCI console. kubectl get pod nginx. kubectl describe pod nginx. kuvectl logs pod nginx. A developer using Oracle Cloud Infrastructure (OCI) API Gateway must authenticate the API requests to their web application. The authentication process must be implemented using a custom scheme which accepts string parameters from the API caller. Which method can the developer use In this scenario? Create an authorizer function using token-based authorization. Create an authorizer function using request header authorization. Create a cross account functions authorizer. Create an authorizer function using OCI IAM based authentication. Given a service deployed on Oracle Cloud infrastructure Container Engine for Kubernetes (OKE), which annotation should you add in the sample manifest file to specify a 400 Mbps load balancer? service.beta.kubernetes.lo/oci-load-balancer-shape:400Mbps. service.beta.kubernetes.lo/oci-load-balancer-kind:400Mbps. service.beta.kubernetes.lo/oci-load-balancer-value:400Mbps. service.beta.kubernetes.lo/oci-load-balancer-size:400Mbps. In order to effectively test your cloud-native applications, you might utilize separate environments (development, testing, staging, production, etc.). Which Oracle Cloud Infrastructure (OCI) service can you use to create and manage your infrastructure? OCI Container Engine for Kubernetes OCI Compute OCI Resource Manager OCI API Gateway In a Linux environment, what is the default locations of the configuration file that Oracle Cloud Infrastructure CLI uses for profile information?
/etc/.oci/config. /usr/local/bin/config. /usr/bin/oci/config. SHOME/.oci/config. You have written a Node.js function and deployed it to Oracle Functions. Next, you need to call this function from a microservice written in Java deployed on Oracle Cloud Infrastructure (OCI) Container Engine for Kubernetes (OKE). Which can help you to achieve this? Oracle functions does not allow a microservice deployed on OKE to invoke a function. Use the OCI Java SDK to invoke the function from the microservice. OKE does not allow a microservice to invoke a function from Oracle Functions. Use the OCI CLI with kubect1 to invoke the function from the microservice. Which one of the statements describes a service aggregator pattern? It uses a queue on both sides of the service communication. It involves sending events through a message broker. It involves implementing a separate service that makes multiple calls to other backend services. It is implemented in each service separately and uses a streaming service. In the sample Kubernetes manifest file below, what annotations should you add to create a private load balancer In oracle Cloud infrastructure Container Engine for Kubermetes? service.beta.kubernetes.oci-load-balancer-internal:true, service.beta.kubernetes.oci-load- balancer-subnet1:ocidl.subnet.oc1..aaaa....vdfw. service.beta.kubernetes.oci-load-balancer-private:true. service.beta.kubernetes.oci-load-balancer-internal:true. service.beta.kubernetes.oci-load-balancer-private:true, service.beta.kubernetes.oci-load- balancer-subnet1:ocidl.subnet.oc1..aaaa....vdfw. Which header is NOT required when signing GET requests to Oracle Cloud Infrastructure APIs? content-type request-target date or x-date host Which two statements accurately describe Oracle SQL Developer Web on Oracle Cloud Infrastructure (OCI) Autonomous Database? (Choose two). It is available for databases with both dedicated and shared exadata infrastructure.
CoreDNS Which is NOT a supported SDK for Oracle Cloud Infrastructure (OCI)? NET SDK Go SDK Ruby SDK Java SDK Python SDK What is the communication method between different Cloud native applications services? Complex and asynchronous Basic and asynchronous Complex and synchronous Basic and synchronous Which two statements are true for service choreography? Decision logic in service choreography is distributed. Service choreographer is responsible for invoking other services. Service choreography relies on a central coordinator. Service choreography should not use events for communication. Services involved in choreography communicate through messages/messaging systems. You need to execute a script on a remote instance through Oracle Cloud Infrastructure Resource Manager. Which option can you use? (Choose the best answer.) Download the script to a local desktop and execute the script. Use /bin/sh with the full path to the location of the script to execute the script. Use remote-exec. It cannot be done. Which two handle Oracle Functions authentication automatically? (Choose two.) Fn Project CLI Oracle Cloud Infrastructure CLI cURL OCI SDK Signed HTTP Request Which Oracle Cloud Infrastructure (OCI) load balancer shape Is used by default in OCI Container Engine for Kubernetes? (Choose the best answer.) 8000 Mbps 100 Mbps There is no default, the shape has to be specific.
400 Mbps You are processing millions of files in an Oracle Cloud Infrastructure (OCI) Object Storage bucket. Each time a new file is created, you want to send an email to the customer and create an order in a database. The solution should perform and minimize cost, Which action should you use to trigger this email? (Choose the best answer.) Scheudle an Oracle Function that checks the OCI Object Storage bucket every minute and emails customer when file is found. Schedule an Oracle Function that checks the OCI object storage bucket every second and email the customer when file is found. Scheudle a cron job that monitors OCI Object Storage and emails customer when new file is created. Use OCI Events service and OCI Notification service to send an email each time a file is created. 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? (Choose Best Answer) Network Security Groups Network Security Lists Network Security Firewall Web Application Firewall (WAF) Per CAP theorem, in which scenario do you NOT need to make any trade-off between the guarantees? (Choose the best answer.) When the system is running on-premise. When the system is running in the cloud. When you are using load balancers. When there are no network partitions. Which pattern can help you minimize the probability of cascading failures in your system during partial loss of connectivity or a complete service failure? (Choose the best answer.) Anti-corruption layer pattern. Circuit breaker pattern. Compensating transaction pattern. Retry pattern.
Notification topics may be assigned as the action performed by an OCI events configuration. Which two are benefits of distributed systems? (Choose the best 2 answers.) Ease of Testing Scalability Privacy Resiliency Security Per CAP theorem, in which scenario do you NOT need to make any trade-off between the guarantees? (Choose the best answer.) When there are no network partitions. When the system is running in the cloud. When the system is running on-premise. When you are using load balancers. A programmer Is developing a Node is application which will run in a Linux server on their on- premises data center. This application will access various Oracle Cloud Infrastructure (OC1) services using OCI SDKs. What is the secure way to access OCI services with OCI Identity and Access Management (JAM)? Choose one: Create a new OCI IAM user, add the user to a group associated with a policy that grants the desired permissions to OCI services, in the on-premise linux server add the user name and password to a file used by Node.js authentication. Create a new OCI IAM user, add the user to a group associated with a policy that grants the desired permissions to OCI services, in the on-premise linux server generate the keypair used for signing API requests and upload the public key to the IAM user. Create a new OCI IAM user associated with a dynamic group and a policy that grants the desired permissions to OCI services, add the on-premise linux server in the dynamic group. Create an OCI IAM policy with the appropriate permissions to access the required OCI services and assign the policy to the on-premise linux server. Which OCI load balancer shape is used by default in OKE? 400Mbps 8000Mbps There is no default. The shape has to be specified. 100Mbps
