IBM C1000-172 Exam Dumps

The feature of Cloud Internet Services (CIS) being discussed is Security.

CIS Security Features: IBM Cloud Internet Services provides robust security measures to protect internet-facing applications from a variety of attacks, including Distributed Denial of Service (DDoS), data theft, and bot attacks. These services are crucial for securing applications and data in the cloud.

Protection Mechanisms: CIS integrates multiple layers of security features, such as Web Application Firewall (WAF), DDoS protection, and threat intelligence, which work together to secure applications from cyber threats.

Reference from IBM Cloud Professional Architect Materials:

The IBM Cloud Internet Services documentation highlights the focus on security to protect applications from DDoS attacks, data breaches, and other threats.

Other options are incorrect:

B . Performance relates to speed and efficiency, not protection.

C . Reliability deals with system uptime and consistency.

D . Scalability is about handling increased load, not security.

In Infrastructure as Code (IaC) using IBM Cloud Schematics, a declarative approach defines the 'end state' or 'desired state' of the infrastructure.

Declarative Approach: In the declarative model, you specify the final desired state of the infrastructure you want, and the IaC tool (IBM Cloud Schematics in this case) takes the responsibility of determining the sequence of steps necessary to achieve that state. This is opposed to an imperative approach, where you explicitly define each step required to reach the desired outcome.

IBM Cloud Schematics: IBM Cloud Schematics is a tool that allows users to define their infrastructure and services as code using Terraform. In a declarative approach, the user creates Terraform configuration files that describe the desired state of all resources, like VMs, networks, databases, etc. Schematics then reconciles the current state with the desired state by applying the appropriate changes.

Reference from IBM Cloud Professional Architect Materials:

According to IBM documentation on IBM Cloud Schematics, it focuses on defining the desired state (end state) of the resources. This is a fundamental concept of Infrastructure as Code (IaC) and the declarative approach in cloud computing.

The other options do not accurately describe the declarative approach:

A . Future state is too vague and not a recognized term in the context of IaC.

C . Declarative state is not a defined term in the IaC context.

D . Start state refers to the initial configuration, not the desired outcome.

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

To ensure that sensitive monitoring data does not travel across the public internet, a client can configure the monitoring instance and monitoring agents to only use private endpoints.

IBM Cloud Monitoring Private Endpoints: IBM Cloud Monitoring with Sysdig allows users to configure their monitoring instance and agents to communicate only over private endpoints. This configuration ensures that monitoring data remains within IBM's private network, thus avoiding exposure to the public internet.

Private Endpoints for Data Security: Using private endpoints is crucial for clients who require that their sensitive data, such as monitoring metrics, never leave the secure IBM Cloud network, enhancing overall security.

Reference from IBM Cloud Professional Architect Materials:

IBM Cloud documentation on Configuring Private Endpoints for IBM Cloud Monitoring confirms that monitoring data can be restricted to private endpoints to avoid exposure to the public internet.

Other options are incorrect:

A . Encrypt all monitoring data with a user-controlled key from Key Protect or Hyper Protect Crypto Services does not prevent data from traveling across the public internet.

C . Ensure that all resources being monitored are in the same region as the IBM Cloud monitoring instance is a good practice for performance but does not specifically ensure that data doesn't travel over the public internet.

D . Use only private endpoints to store monitoring data in IBM Cloud Object Storage is related to storage, not monitoring data transmission.

Therefore, the correct answer is B. Configure the monitoring instance and monitoring agents to only use private endpoints.

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

cloud-init Official Documentation