Most Recent IBM C1000-172 Exam Dumps

Having multiple sites within the same region in IBM Cloud provides better protection against natural disasters.

Multiple Sites for Resiliency: In cloud architecture, resiliency is enhanced by distributing workloads and data across multiple sites or availability zones within the same region. If a natural disaster affects one site, the other sites can continue operations without significant downtime or data loss.

IBM Cloud Regions and Availability Zones: IBM Cloud has multiple availability zones within the same region, providing redundancy and failover options to protect against regional disruptions, such as natural disasters.

Reference from IBM Cloud Professional Architect Materials:

IBM documentation on IBM Cloud Regions and Availability Zones mentions the design for high availability and disaster recovery by using multiple sites or availability zones within a region.

Other options are incorrect:

A . Higher level of data encryption is unrelated to multiple sites.

B . Improved network connectivity between sites is a benefit, but not the primary advantage for resiliency against natural disasters.

C . Enhanced scalability and performance is more relevant to resource allocation and management.

IBM Cloud Hyper Protect Crypto Services is the correct service to use for encrypting IBM Cloud Kubernetes Service secrets and the etcd store with the organization's own root keys on FIPS 140-2 Level 4-certified hardware.

IBM Cloud Hyper Protect Crypto Services: This service provides a highly secure key management system and supports encryption operations using FIPS 140-2 Level 4-certified hardware. It ensures that the keys used to encrypt data never leave the secure boundary of the Hardware Security Module (HSM), which meets the highest level of security certification (Level 4).

Use Case Suitability: For organizations needing to meet stringent regulatory and compliance requirements (such as those demanding FIPS 140-2 Level 4 certification), Hyper Protect Crypto Services offers the necessary security controls to protect Kubernetes secrets and other sensitive data.

Reference from IBM Cloud Professional Architect Materials:

The IBM documentation on Hyper Protect Crypto Services confirms that it uses FIPS 140-2 Level 4-certified hardware, making it the correct choice for this requirement.

Other options are incorrect:

B . IBM Cloud Secrets Manager and C. IBM Cloud Key Protect do not utilize FIPS 140-2 Level 4-certified hardware.

D . IBM Cloud Managed Encryption Services is not a specific service related to the required encryption hardware.

Autoscaling enables automatic scaling of resources in response to demand or failure events, ensuring that a multizone Red Hat OpenShift cluster on IBM Cloud can dynamically spin up worker nodes in another data center if one becomes unavailable. Autoscaling allows for maintaining service availability without human intervention, thus achieving the required resiliency.

How Autoscaling Works: Autoscaling automatically adjusts the number of worker nodes in a cluster based on predefined metrics such as CPU usage, memory usage, or other health checks. In the event of a zone failure, it can scale out to other available zones to maintain service continuity.

Importance of Autoscaling for Resiliency: By automatically provisioning new resources when needed, autoscaling reduces the risk of downtime and ensures consistent application performance.

Comparison with Other Options:

A (Load balancing): Distributes traffic but does not scale resources.

B (Network forwarding): Related to network routing, not scaling resources.

D (Init-node script automation): Involves initial setup, not dynamic scaling.

IBM Cloud Kubernetes Service Autoscaling

IBM Cloud OpenShift Documentation

IBM Cloud Architect Exam Study Guide

Watson Assistant helps companies reduce costs per contact by handling common inquiries and providing quick assistance through automation. By using a virtual agent, companies can reduce the number of queries that require human intervention, thereby lowering the overall cost associated with customer support operations.

How Watson Assistant Reduces Costs: Watson Assistant automates responses to frequently asked questions and common tasks, freeing up human agents to handle more complex inquiries. This leads to lower staffing requirements and operational costs.

Comparison with Other Options:

B (Remove the requirement for all human agents): Watson Assistant reduces but does not eliminate the need for human agents.

C (Provide live agents who can speak multiple languages): Not a function of Watson Assistant; it is a virtual agent technology.

D (Check insurance claim details for non-native English speakers): Watson Assistant can handle multilingual conversations, but the primary benefit is cost reduction.

IBM Watson Assistant Overview

IBM Cloud Architect Exam Study Guide

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.