Oracle Cloud

35 flashcards · Other · by Snehangsu De

1. Which protocol is used by the Oracle Cloud Infrastructure File Storage service for file access?

   The Oracle Cloud Infrastructure File Storage service uses the Network File System (NFS) protocol for file access. NFS allows clients to access files over a network in a manner that appears as though they are part of the local file system.

2. Which tool in Oracle Cloud Infrastructure allows you to visualize and analyze your cloud usage and spending patterns over time?

   The Cost Analysis tool in Oracle Cloud Infrastructure enables users to visualize and analyze their cloud usage and spending patterns over time. This helps users better understand their consumption of resources and services and make informed decisions about cost optimization.

3. In OCI Networking, what is the role of a Dynamic Routing Gateway (DRG)?

   A Dynamic Routing Gateway (DRG) provides a path for traffic between a VCN and an on-premises network or another VCN in the same or different region.

4. Which type of scaling is achieved by adding or removing instances within an instance pool in Oracle Cloud Infrastructure Compute?

   Horizontal scaling is achieved by adding or removing instances within an instance pool in Oracle Cloud Infrastructure Compute. This type of scaling helps manage workloads and maintain optimal resource utilization by distributing traffic across multiple instances.

5. Which type of load balancing policy is supported by Oracle Cloud Infrastructure Load Balancer?

   Oracle Cloud Infrastructure Load Balancer supports three types of load balancing algorithms: Round Robin, Least Connections, and IP Hash. The Round Robin algorithm distributes incoming traffic evenly across instances. This algorithm helps ensure efficient distribution of network traffic and maintain the availability and performance of applications. Weighted Round Robin, Weighted Least Connections, and Random are not supported by OCI Load Balancer.

6. In Oracle Cloud Infrastructure, what is the main difference between a Load Balancer and a Network Load Balancer?

   The main difference between a Load Balancer and a Network Load Balancer in Oracle Cloud Infrastructure is that a Load Balancer works at the application layer (layer 7) and can handle application-specific traffic, while a Network Load Balancer works at the transport layer (layer 4) and can handle any type of TCP or UDP traffic.

7. What is the main benefit of using Oracle Cloud Infrastructure Security Zones for resource management?

   Oracle Cloud Infrastructure Security Zones help to enforce best practice security configurations for your resources. By using Security Zones, you can ensure that resources are created and managed with security best practices, minimizing potential security risks and improving the overall security posture of your infrastructure.

8. In the Oracle Cloud Infrastructure shared security responsibility model, who is responsible for securing the customer's data, applications, and access control?

   In the Oracle Cloud Infrastructure shared security responsibility model, the customer is responsible for securing their data, applications, and access control. This includes implementing appropriate security measures such as encryption, user access control, and monitoring to protect sensitive data and ensure the overall security of their cloud environment.

9. Which is a key benefit of using Oracle Cloud Infrastructure Autonomous Database?

   A key benefit of using Oracle Cloud Infrastructure Autonomous Database is the reduced database management overhead. Its self-driving capabilities automate tasks such as provisioning, patching, tuning, and backup, which helps minimize manual database administration and maintenance, allowing you to focus on more strategic initiatives.

10. Which data transfer types is generally free of charge in Oracle Cloud Infrastructure?

    Ingress data transfer refers to the data transferred into Oracle Cloud Infrastructure from other sources. Generally, ingress data transfer is free of charge, while egress data transfer can have associated costs depending on the destination (to a different cloud provider like AWS or GCP, to a different OCI region, or to the internet).

11. Which of the following is NOT a type of OCI Compute instance?

    The Oracle Cloud Infrastructure Compute service offers Virtual Machines (VMs), Bare Metal instances, and Dedicated Virtual Machine Hosts. Nano instances is not a type of OCI Compute instance.

12. Which type of Oracle Cloud Infrastructure networking gateway allows access to Oracle services within the same region without traversing the public internet?

    A Service Gateway in Oracle Cloud Infrastructure networking service enables access to Oracle services within the same region without the traffic going through the public internet. This provides a more secure and reliable connection for accessing Oracle services like Object Storage, Autonomous Database, and others.

13. Which attribute can be customized when creating an Oracle Cloud Infrastructure Compute flexible shape instance?

    When creating an Oracle Cloud Infrastructure Compute flexible shape instance, users can customize the number of OCPUs and the amount of memory according to their needs. Flexible shapes provide more control over resource allocation and help users optimize costs and performance.

14. In Oracle Cloud Infrastructure, which component is responsible for controlling traffic between subnets within a virtual cloud network (VCN)?

    In Oracle Cloud Infrastructure, Security Lists are responsible for controlling traffic between subnets within a virtual cloud network (VCN). They define ingress and egress rules to determine the allowed traffic at the subnet level.

15. In Oracle Cloud Infrastructure, which component of an IAM policy statement defines the user or group the policy applies to?

    In Oracle Cloud Infrastructure, the "Principal" component of an IAM policy statement defines the user or group the policy applies to. It specifies the groups that the policy statement affects, granting them access to resources and actions defined in the policy statement.

16. In the Oracle Cloud Infrastructure Compute service, which feature enables users to migrate running instances between different physical servers?

    Live Migration is a feature in the Oracle Cloud Infrastructure Compute service that enables users to migrate running instances between different fault domains without any downtime. It allows users to perform maintenance or balance workloads across fault domains while maintaining the availability and performance of their applications.

17. What is the primary goal of distributing resources across multiple availability domains in Oracle Cloud Infrastructure?

    The primary goal of distributing resources across multiple availability domains in Oracle Cloud Infrastructure is to improve fault tolerance and high availability. By spreading resources across isolated, fault-tolerant data centers within a region, applications can continue operating even if one availability domain experiences an outage.

18. What type of storage is associated with instances in the Oracle Cloud Infrastructure Compute service?

    Block storage is the type of storage associated with instances in the Oracle Cloud Infrastructure Compute service. It provides low-latency, high-performance storage volumes that can be attached to instances to store data and applications.

19. Which Oracle Cloud Infrastructure service continuously monitors your cloud resources and configurations to detect, assess, and remediate security risks?

    Oracle Cloud Infrastructure Cloud Guard continuously monitors your cloud resources and configurations to detect, assess, and remediate security risks. Cloud Guard helps maintain a strong security posture by identifying and addressing potential security issues before they become critical.

20. How are compartment quotas applied in Oracle Cloud Infrastructure?

    In Oracle Cloud Infrastructure, compartment quotas are applied on a per-compartment basis. This allows administrators to set different resource limits for each compartment, ensuring that resource usage aligns with the organization's policies and requirements.

21. Which of the following statements about compartments in Oracle Cloud Infrastructure is NOT true?

    Compartments in Oracle Cloud Infrastructure are a global resource; they can be nested to create a hierarchy; and IAM policies can be written to grant access to resources in specific compartments. However, storing and managing encryption keys and secrets is a function of the Oracle Cloud Infrastructure Vault service, not compartments.

22. Which of the following is NOT a component of an IAM policy statement in Oracle Cloud Infrastructure?

    An IAM policy statement in Oracle Cloud Infrastructure typically consists of these components: Location (compartment or tenancy), Action Verb (the specific action to be allowed), Resource (the resources the action can be performed on), Principal (group the policy applies to), and a set of optional Conditions. Encryption is not a component of an IAM policy statement; it is a security measure used to protect sensitive data.

23. Which Oracle Cloud Infrastructure service is designed to protect your web applications from various types of malicious attacks, such as SQL injection and cross-site scripting?

    Oracle Cloud Infrastructure Web Application Firewall (WAF) is designed to protect your web applications from various types of malicious attacks, such as SQL injection and cross-site scripting. WAF inspects incoming web traffic and filters out any requests that match predefined security rules, ensuring the security and availability of your web applications.

24. In the Oracle Cloud Infrastructure Block Volume service, which feature enables you to increase the size of a block volume without any downtime?

    In the Oracle Cloud Infrastructure Block Volume service, Online Resizing enables you to increase the size of a block volume without any downtime. This feature allows you to scale storage capacity on the fly to accommodate growing data needs or application requirements, ensuring continuous availability and performance.

25. What are the two types of workloads supported by Oracle Cloud Infrastructure Autonomous Database?

    Oracle Cloud Infrastructure Autonomous Database supports two types of workloads: Transaction Processing (ATP) and Data Warehousing (ADW). Transaction Processing is optimized for high-performance online transaction processing (OLTP) workloads, while Data Warehousing is designed for high-performance analytical processing (OLAP) workloads.

26. Which is a key characteristic of an Oracle Cloud Infrastructure Block Volume?

    OCI Block Volumes are automatically replicated within an availability domain for high durability, ensuring data redundancy and protection against hardware failures.

27. Which Oracle Cloud Infrastructure Autonomous Database workload type is designed for real-time analytics and reporting?

    Autonomous Data Warehouse (ADW) is the workload type in Oracle Cloud Infrastructure Autonomous Database designed for real-time analytics and reporting. ADW provides a fully managed, high-performance, and elastic service that simplifies data warehouse management.

28. What is the primary function of a Route Table in Oracle Cloud Infrastructure Networking Service?

    A Route Table is a component in Oracle Cloud Infrastructure Networking Service that defines rules for packet forwarding to destinations outside the Virtual Cloud Network (VCN). Route Tables have rules to route traffic from subnets to destinations outside the VCN by way of gateways or specially configured instances.

29. How does Oracle Cloud Infrastructure's Bring Your Own License (BYOL) feature help customers save on costs?

    Oracle Cloud Infrastructure's Bring Your Own License (BYOL) feature helps customers save on costs by allowing them to use their existing software licenses in OCI. This means customers can leverage their investment in Oracle software licenses when migrating or deploying new applications in OCI, without the need to purchase additional licenses.

30. In the context of Oracle Cloud Infrastructure Autonomous Database, what does the self-securing feature provide?

    The self-securing feature of Oracle Cloud Infrastructure Autonomous Database provides automatic application of security patches and protection from threats. It ensures that the database is always up-to-date with the latest security updates, helping to safeguard your data and maintain a strong security posture.

31. What is the main advantage of vertical scaling in the Oracle Cloud Infrastructure Compute service?

    Vertical scaling in the Oracle Cloud Infrastructure Compute service refers to the process of increasing the performance of an instance by adding more OCPUs and memory. This allows for improved processing capabilities and resource allocation, resulting in enhanced performance for the compute instance.

32. What is the primary purpose of setting up budgets in Oracle Cloud Infrastructure?

    The primary purpose of setting up budgets in Oracle Cloud Infrastructure is to monitor and control spending on OCI services. Budgets allow customers to track their spending and receive alerts when their spending approaches or exceeds the budget limits they have set, enabling them to manage costs effectively.

33. In the Oracle Cloud Infrastructure Object Storage service, which storage tier is designed for rarely or seldom accessed data that can be restored within hours?

    Archive Storage is a storage tier in the Oracle Cloud Infrastructure Object Storage service designed for rarely or seldom accessed data that can be restored within hours. It offers the lowest cost per stored gigabyte and is suitable for long-term storage of data that is not needed for immediate access, such as backups or historical data.

34. Which is a key difference between Security Lists and Network Security Groups in Oracle Cloud Infrastructure?

    The key difference between Security Lists and Network Security Groups in Oracle Cloud Infrastructure is that Security Lists apply to subnets, while Network Security Groups apply to individual instance VNICs. This allows for more granular control of traffic in and out of instances.

35. What is the term used to describe the combination of an instance's shape, base image, and metadata in the Oracle Cloud Infrastructure Compute service?

    In the Oracle Cloud Infrastructure Compute service, an Instance Configuration is a predefined configuration that includes the instance's shape, base image, and metadata. It allows users to quickly create new instances with the same configuration, streamlining the deployment process.