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What is a key tenet of Modern Hybrid Cloud?
A key tenet of Modern Hybrid Cloud is that it focuses on the portability and automatic scaling of workloads.
Modern Hybrid Cloud: This concept revolves around the ability to seamlessly move and manage workloads across multiple cloud environments (public, private, and on-premises) with consistent security, management, and operational practices. Portability and automatic scaling are essential components that enable workloads to be dynamically allocated and scaled based on demand.
Portability and Scalability: By focusing on these aspects, a modern hybrid cloud provides flexibility and efficiency, ensuring that workloads can run optimally across different environments without being tied to a specific infrastructure.
Reference from IBM Cloud Professional Architect Materials:
IBM's materials on Hybrid Cloud emphasize the importance of workload portability and scalability as key factors in modern cloud architectures.
Other options are incorrect:
B . Focuses on lifting and shifting workloads quickly to the cloud is more of a migration strategy, not a core principle of a modern hybrid cloud.
C . Designed to mimic on-premises and D. Based on extending on-premises infrastructure do not encompass the broader goals of a hybrid cloud strategy.
What is used to configure virtual server instances (VSIs) with user data?
cloud-init is a widely used tool in IBM Cloud for initializing virtual server instances (VSIs) with user data. It allows users to provide configuration instructions or scripts that are executed when a new virtual server is created. cloud-init is highly versatile and supports a variety of use cases, such as installing software packages, setting up the environment, and managing users.
What is cloud-init? It is a standard method for cloud instance initialization in many cloud environments, including IBM Cloud. cloud-init reads the user data provided during the instance's launch and executes the required configurations, allowing for automated setup and customization.
Why use cloud-init? It enables users to automate the bootstrapping process of virtual servers by defining configurations that can range from simple commands to complex scripts. This reduces manual intervention, saves time, and ensures consistency in server setups.
Relationship with Other Options:
cloud-config (B) is a YAML file format used by cloud-init for providing configuration details. However, the term cloud-init refers to the actual tool used to process the user data.
server-config (C) and user-data (D) are not specific tools but terms that might describe parts of the cloud-init process.
IBM Cloud Virtual Servers Documentation
IBM Cloud Architect Exam Study Guide
What are the basic components in an event-driven architecture?
In an event-driven architecture, the basic components are:
Event Producer: The source that generates events, such as a service or application emitting a message whenever a significant change or action occurs.
Router (sometimes called an Event Router or Event Bus): Routes the event to the appropriate consumer(s). The router can handle complex event processing, filtering, and transformation before delivering the event.
Event Store: A component that persists events, making them available for future analysis, auditing, or replaying if needed.
Why These Components are Core:
These components are essential to ensure that events are generated, routed to the correct consumers, and stored for traceability and recovery purposes. This architecture is crucial for building scalable, decoupled, and responsive systems.
Comparison with Other Options:
A, B, and C: Do not provide a complete representation of all three core components needed in an event-driven architecture.
IBM Cloud Event-driven Architecture
IBM Cloud Architect Exam Study Guide
Which IBM Cloud service provides a common platform to meet the requirements of a Modern Hybrid Cloud?
Red Hat OpenShift on IBM Cloud provides a common platform to meet the requirements of a modern hybrid cloud. It is a Kubernetes-based container platform that enables developers to build, deploy, and manage applications across on-premises environments, IBM Cloud, and other public clouds. This flexibility is key for modern hybrid cloud environments, where businesses seek consistency, scalability, and security across diverse infrastructure setups.
Why Red Hat OpenShift? It offers a comprehensive solution for managing containers and microservices, automating CI/CD pipelines, and integrating with IBM Cloud Paks, thus facilitating a true hybrid cloud model.
Benefits of OpenShift: Red Hat OpenShift ensures workload portability, consistency in development and operations, and provides enhanced security features, making it the preferred platform for enterprises embracing a hybrid cloud strategy.
Comparison with Other Options:
Cloud Functions (B): Focused on serverless functions rather than providing a full hybrid cloud platform.
Code Engine (C): Focused on running containerized workloads without managing infrastructure but not as comprehensive as OpenShift.
Virtual Server Instance (D): Provides virtual machines but lacks the comprehensive hybrid cloud management features.
Red Hat OpenShift on IBM Cloud
IBM Cloud Architect Exam Study Guide
IBM Cloud Paks
Which three are the main resiliency options for IBM Cloud Object Storage?
The three main resiliency options for IBM Cloud Object Storage are Cross Region, Regional, and Single Data Center.
Resiliency Options in IBM Cloud Object Storage:
Single Data Center: Stores data in one location, ideal for low-latency access and data residency requirements.
Regional (also known as Multizone): Stores data across multiple data centers within the same geographic region, providing higher availability and protection against data center failure.
Cross Region: Stores data across multiple geographic regions, offering the highest level of availability and disaster recovery capability.
Reference from IBM Cloud Professional Architect Materials:
As per IBM's documentation on Cloud Object Storage, these three options represent the primary resiliency models offered by IBM for their object storage service.
Other options are incorrect:
A . Cross Zone, Multizone, and Regional and C. Cross Region, Cross Zone, and Single Data Center do not align with the actual resiliency models.
B . Single Data Center, Multizone, and Regional is partially correct but lacks the 'Cross Region' option.
