OCI (Oracle Cloud Infrastructure) Foundations Certification Exam (Graded A)

OLTP - ANSWER Online Transaction Processing IOPS - ANSWER Input/output operations per second RMAN (recovery manager) - ANSWER Back up and recovery manager supplied for Oracle databases NVMe - ANSWER Non-Volatile ...

OLTP - ANSWER Online Transaction Processing IOPS - ANSWER Input/output operations per second RMAN (recovery manager) - ANSWER Back up and recovery manager supplied for Oracle databases NVMe - ANSWER Non-Volatile Memory Express IaaS - ANSWER Infrastructure as a Service You Manage: Applications Data Runtime Middleware Operating System Delivered as a service Virtualization Servers Storage Networking PaaS - ANSWER Platform as a Service You Manage: Applications Data Delivered as a service: Runtime Middleware Operating System Virtualization Servers Storage Networking RPO - ANSWER Recovery Point Objective RTO - ANSWER Recovery Time Objective Region - ANSWER Localized Geographic area Availability Domain (AD) - ANSWER One or more fault-tolerant, isolated data centers within a region. Fault Domains (FD) - ANSWER Grouping of hardware and infrastructure within an Availability Domain. Compartment - ANSWER A collection of related resources. Bare Metal (BM) - ANSWER Direct hardware access (single tenant server) virtual machine (VM) - ANSWER A hypervisor to virtualize underlying bare metal server into smaller VMs (multi-tenant VMs) Dedicated VM Hosts (DVH) - ANSWER Run your VM instances on dedicated bare metal servers (single-tenant VMs) vertical scaling (scale up or scale down) - ANSWER Change the shape of an instance (add or remove resources) horizontal scaling (scale out or scale in) - ANSWER Add or remove instances Autoscaling - ANSWER Enable large scale deployment of VMs from a single gold image with automatic configuration. Container - ANSWER includes the application and its dependencies. They share hardware and OS. Oracle Kubernetes Engine - ANSWER Fully managed, scalable, and highly available service used to deploy containerized applications in OCI Functions - ANSWER small, powerful blocks of code that generally do a simple thing and are stored as docker images. Block Storage - ANSWER Data stored on a device in fixed sizes and access by the OS. No high level metadata is stored and is commonly deployed in SAN Block Volume Service - ANSWER storage for compute instances. That is either for Boot or data disks. The service lets you store data independently of the lifespan of compute instances. Data is encrypted at rest and in transit Block Volume tiers - ANSWER - Basic (for throughput intensive with large sequential I/O) - Balanced (for most workloads including random I/O - boot disks) - Higher Performance (most demanding I/O performance such as large DB) local NVMe - ANSWER Temporary storage attached to compute instance. Used for applications that require high performance local storage such as transactional DB. It will survive a reboot. File Storage - ANSWER Hierarchical collection of documents organized into named directories (local file systems) data is encrypted at rest and in transit FSS - ANSWER File Storage Service Object Storage - ANSWER All data stored in a 'bucket' and is managed as objects. Objects are stored in a single flat structure. Commonly used for Content repository, log data or archival backups. - data is encrypted at rest, but not in transit VCN - ANSWER Virtual Cloud Network Software defined private network set up in OCI Internet Gateway - ANSWER provides path for network traffic between your VCN and the internet NAT Gateway - ANSWER allows outbound connection to the internet but blocks inbound connections initiated from the internet (used for patches and updates) DRG - ANSWER Dynamic Routing Gateway: Virtual router that provides a path for private traffic between the VCN and destinations other than the internet - (on prem) Service Gateway - ANSWER Allows VCN to access public OCI services such as Object storage VCN Peering - ANSWER The process of connecting multiple VCNs. Local peering connects VCNs in the same region, remote peering connects VCNs in different regions IAM - ANSWER Identity and Access Management principal - ANSWER an IAM entity that is allowed to interact with OCI resources Instance Principal - ANSWER Allows instances and applications make API calls BYOL - ANSWER Bring your own license Autonomous Database - ANSWER fully managed DB service WAF - ANSWER Web application firewall - a cloud based, PCI compliant, global security service that protects applications from malicious and unwanted traffic. Pricing models - ANSWER PYG - pay as you go Monthly flex (universal credits) BYOL Data transfer costs - ANSWER Between ADs, instances or via FastConnect is free. Ingress from Internet or regions is free Egress to internet or regions is charged. Which DB option is designed for oltp workloads? - ANSWER Autonomous Transaction Processing (ATP) Which DB option is designed for Data Warehousing? - ANSWER Autonomous Data Warehouse (ADW) RAC - ANSWER Real Application Clusters Which DB option provides Managed High Availability - ANSWER RAC SL - ANSWER Security List - determines traffic in and out of a subnet NSG - ANSWER Network Security Group - controls access to a VNIC Public LB - ANSWER Public load balancer. 2 load balancers residing in different ADs, and different subnets. One is primary, the other secondary. Private LB - ANSWER private load balancer. 2 load balancers residing in the same AD and subnet. Instance Shape - ANSWER Determines the CPU, Memory, Disk size, network bandwidth and VNICS associated with a VM. OCI Security Services - ANSWER IAM Data protection OS and workload management Infrastructure Protection What is the billing metric for compute? - ANSWER OCPU or OGPU Which OCI service allows you to run code without provisioning any underlying infrastructure resources? - ANSWER Oracle Functions What is the lowest pricing for storage (per GB) - ANSWER OCI Archive storage A banking platform has been re-designed to a microservices based architecture using Docker containers for deployment. What is the service that can deploy the containers on OCI? - ANSWER OKE What are three methods you can use to create or modify OCI resources? - ANSWER Rest APIs OCI Console CLI What is the most cost-effective OCI Service - ANSWER Object Storage (Standard) What is the key benefit of using OCI? - ANSWER OCI offers consistent performance with a predictable pricing model A customer wants to use OCI for storing application backups which can be stored based on business needs. What OCI storage service can be used to meet the requirement? - ANSWER Block Volume What gateway can be used to provide internet access to an OCI compute instance on a private subnet? - ANSWER NAT Gateway You want to migrate mission-critical Oracle E-Biz application to OCI with full control and access to the underlying infrastructure. What is the option that meets this requirement? - ANSWER Replace E-biz with an Oracle SaaS application What does OCI Fault domain provide? - ANSWER Protect against unexpected hardware or power failures Protect against planned hardware maintenance How frequently are OCI usage reports generated? - ANSWER Daily You are setting up a POC and need to quickly establish a secure connection between and on-prem DC and OCI. Which OCI service should you implement? - ANSWER Internet Gateway Oracle cloud Infrastructure is compliant with which three industry standards? - ANSWER SOC 1 Type 2 and SOC 2 Type 2 attestations, Health Insurance Portability and Accountability Act (HIPAA), ISO 27001:2013 certification Which two security capabilities are offered by Oracle Cloud Infrastructure? - ANSWER Always on data encryption for data-at-rest. Key Management service You are required to host several files in a location that can be publicly accessible from anywhere in the world. Which Oracle Cloud Infrastructure (OCI) service should you use? - ANSWER OCI Object Storage Which feature allows you to logically group and isolate your Oracle Cloud Infrastructure resources? - ANSWER Compartments Which two should be considered when designing a fault-tolerant solution in Oracle Cloud lnfrastructure (OCI)? - ANSWER ensuring your solution components are distributed across OCI Fault Domains using multiple OCI Availability Domains (AD), where available, to deploy your solution A customer is looking to migrate their old database backups from their on-premises data center to Oracle Cloud Infrastructure (OCI). Which OCI service is the most cost-effective? - ANSWER Object Storage (standard) What CANNOT be used with My Oracle Support (MOS)? - ANSWER Troubleshoot your resources in an Oracle Cloud Infrastructure Free Trial account Which kind of scaling is supported by virtual machines in Oracle Cloud Infrastructure Compute service? - ANSWER Scaling up or down, and scaling in or out Which Oracle Cloud Infrastructure (OCI) service is best suited for running serverless apps? - ANSWER Oracle Functions You have a mission-critical application which requires to be globally available at all times. Which deployment strategy should you adopt? - ANSWER Use multiple Fault Domains in any Availability Domain in multiple Regions. Which is NOT covered by Oracle Cloud Infrastructure Service Level Agreement (SLA)? - ANSWER Reliability Which statement accurately describes an Oracle Cloud Infrastructure Region? - ANSWER Each Availability Domain has three Fault Domains. Which is a key benefit of using oracle cloud infrastructure autonomous data warehouse? - ANSWER Scale both CPU and Storage without downtime Which Oracle Cloud Infrastructure (OCI) service can be used to protect sensitive and regulated data in OCI database services? - ANSWER Oracle Data Safe Which Oracle Cloud Infrastructure service leverages Terraform to configure infrastructure as code? - ANSWER Resource Manager According to the Shared security model, which are a customer's responsibilities in Oracle Cloud Infrastructure (OCI)? - ANSWER Customer data Object Storage data durability What do the terms OpEx and CapEx refer to? - ANSWER OpEx refers lo Operational Expenditure and CapEx refers to Capital Expenditure Which OCI Identity and access management capability helps you to organize multiple users into teams? - ANSWER Groups A new customer has logged into Oracle Cloud Infrastructure (OCI) as an administrator for the first time. The admin would like to deploy infrastructure. What is the first step they must take in order to accomplish this task? - ANSWER Navigate to the desired region and begin creating resources. Which is NOT required to register and log support requests in My Oracle Support (MOS)? - ANSWER Your account password What is a key benefit of Oracle Cloud Infrastructure Virtual Machine DB Systems? - ANSWER Support for RAC DB systems In what two ways does Oracle Cloud Infrastructure (OCI) offer industry leading price performance? - ANSWER With OCI, pricing Is low and predictable across all regions and services. OCI backs performance claims with Service Level Agreements. Which OCI Identity and access management capability helps you to organize multiple users into teams? - ANSWER Groups A company has developed an eCommerce web application in Oracle Cloud Infrastructure. What should they do to ensure that the application has the highest level of resilience? - ANSWER Deploy the application across multiple Regions and Availability Domains. A customer wants a dedicated connection with minimal network latency from their on-prem data center to Oracle Cloud Infrastructure (OCI). Which service should they choose? - ANSWER OCI FastConnect What characteristics are defined by an Oracle Cloud Infrastructure Compute shape? - ANSWER Number of OCPU, amount of RAM, bandwidth Which should you use to distribute Incoming traffic between a set of web servers? - ANSWER Load Balancers Which pricing model is NOT supported by Oracle Cloud Infrastructure? - ANSWER Reserved Infrastructure Which is NOT considered a security resource within Oracle Cloud Infrastructure? - ANSWER Web Application Firewall Which feature is NOT a component of Oracle Cloud Infrastructure (OCI) Identity and Access management service? - ANSWER Federation Which Oracle Cloud Infrastructure (OCI) service can send you an alert when you might exceed your spending threshold? - ANSWER Budgets What does Oracle's Payment Card Industry Data Security Standard (PCI DSS) attestation of compliance provide to customers? - ANSWER Customers can use these services for workloads that store, process, or transmit cardholder data. A customer wants to use Oracle Cloud Infrastructure (OCI) storing application backups which can be stored for months, but retrieved immediately based on business needs. Which OCI storage service can be used to meet this requirement? - ANSWER Block Volume Which capability can be used to protect against unexpected hardware or power supply failures within an availability domain? - ANSWER Fault Domains What service is NOT available as part of Oracle Cloud Free Tier? - ANSWER Oracle Cloud Infrastructure Exadata DB Systems A customer wants to deploy a customized e commerce Web application using multiple virtual machines, block storage, databases, load balancer and web application firewall. What cloud model can be used to host this application? - ANSWER Platform as a Service (PaaS) Which two Oracle Cloud Infrastructure resources can be used to group/categorize expenses? - ANSWER Policies Tags Which statement about Oracle Cloud Infrastructure (OCI) shared security model is true? - ANSWER You are responsible for securing all data that you place in OCI Which service level agreement type is NOT offered by Oracle Cloud Infrastructure Compute service? - ANSWER Application Plane Which Oracle Cloud Infrastructure service can you use to assess user security of your Oracle databases? - ANSWER Oracle Data Safe Which Oracle Cloud Infrastructure storage service can provide a shared file system across multiple compute instances? - ANSWER file Storage Which three components are part of Oracle Cloud Infrastructure (OCI) identity and access management service? - ANSWER Policies Users Virtual Cloud Networks Which is NOT a valid business benefit for a customer considering migrating their infrastructure and apps to Oracle Cloud Infrastructure (OCI)? - ANSWER Faster go-to market You are setting up a proof of concept (POC) and need to quickly establish a secure connection between an on-premises data center and Oracle Cloud. Which OCI service should you implement? - ANSWER FastConnect Which three services Integrate with Oracle Cloud Infrastructure (OCI) Key Management? - ANSWER Block Volume Object Storage File Storage Which Oracle Cloud Infrastructure (OCI) database solution will be most economical for a customer looking to have the elasticity of the cloud with minimal administration and maintenance effort for their DBA team? - ANSWER OCI Autonomous Database After Signing up for a new Oracle cloud Infrastructure tenancy, what would you subscribe to in order to deploy infrastructure and services in different parts of the world? - ANSWER Region Which is NOT available to you whenever Oracle Cloud Infrastructure creates or resolves an incident? - ANSWER Twitter notifications What two statements regarding the Virtual Cloud Network (VCN) are true? - ANSWER A single VCN can contain both private and public Subnets. VCN is a regional resource that span across all the Availability Domains in a Region. Which is NOT part of the Oracle Cloud Always Free eligible resources that you can provision in your tenancy? - ANSWER Fast Connect (1 Gbps public peering) OCI budgets can be set on which two options? - ANSWER Cost-tracking tags Compartments What does compute instance horizontal scaling mean? - ANSWER adding additional compute instances you are analyzing your Oracle Cloud Infrastructure (OCI) usage with Cost Analysis tool in OCI Console. Which is not a default feature of the tool? - ANSWER Filter costs by applications Which is an example of Edge Services in Oracle Cloud Infrastructure (OCI)? - ANSWER Web Application Firewall A new customer has logged into Oracle Cloud Infrastructure (OCI) as an administrator for the first time. The admin would like to deploy Infrastructure into a region other than their home region. What is the first Stop they must take in order to accomplish this task? - ANSWER Subscribe to the desired region. Which service is the most effective for moving large amounts of data from your on-premises to OCI? - ANSWER Dynamic Routing Gateway Which capability enables you to search, purchase, and start using software in your Oracle Cloud Infrastructure (OCI) tenancy? - ANSWER OCI Resource Manager What is covered by the OCI Infrastructure SLA - ANSWER Availability/Data Plane Manageability/Control Plane Performance Control Plane - ANSWER Administration of Resources Data Plane - ANSWER Usage of resources - ANSWER