[2025年02月22日] 心強いC1000-172のPDF問題集はC1000-172問題
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質問 # 69
An organization is using IBM Log Analysis to manage operating system logs, application logs, and platform logs in IBM Cloud. A developer discovered their Red Hat OpenShift on IBM Cloud instance is not being captured in the service.
What could be a reason Log Analysis is missing the Red Hat OpenShift on IBM Cloud instance logs?
- A. The administrator needs at least reader access to the Red Hat OpenShift instance
- B. The logging agents were not created and deployed to this OpenShift instance
- C. The developer needs at least editor IAM role to the Log Analysis instance
- D. The Red Hat OpenShift on IBM Cloud instance is running in a different region from the Log Analysis instance
正解：B
解説：
The likely reason IBM Log Analysis is missing the Red Hat OpenShift on IBM Cloud instance logs is that the logging agents were not created and deployed to this OpenShift instance.
IBM Log Analysis with Sysdig: To collect logs from a Red Hat OpenShift cluster, specific logging agents must be deployed on the cluster. These agents are responsible for forwarding logs to the IBM Log Analysis service.
Missing Logs Due to Missing Agents: If the agents are not deployed, the service will not capture logs from the cluster, resulting in missing log data from that instance.
Reference from IBM Cloud Professional Architect Materials:
IBM documentation on Setting up Log Analysis explains the requirement of deploying logging agents to the respective resources to ensure log collection.
Other options are incorrect:
A . The developer needs at least editor IAM role does not affect the log capture.
B . The administrator needs at least reader access does not address the missing agents.
C . The instance running in a different region does not prevent log capture if agents are configured correctly.
質問 # 70
What is a benefit of using an IBM Cloud multizone region (MZR) for deploying applications?
- A. Protection against single zone failure
- B. Lower interconnectivity speed between data centers
- C. Decreased availability compared to a single zone region
- D. Reduced resiliency and availability
正解：A
解説：
An IBM Cloud Multizone Region (MZR) offers a deployment architecture that spans multiple, physically separated availability zones within the same region. This configuration provides protection against a single zone failure, as applications and services can continue to operate if one zone experiences an outage.
Why MZR Provides Protection Against Single Zone Failure: Deploying applications in an MZR ensures that resources are distributed across multiple zones, each with its own independent infrastructure (power, cooling, networking). If a failure occurs in one zone, the other zones remain unaffected, thus maintaining the availability of the application.
Comparison with Other Options:
A (Reduced resiliency and availability): Incorrect; MZR increases resiliency and availability.
B (Decreased availability compared to a single zone): Incorrect; MZR offers greater availability than a single zone.
D (Lower interconnectivity speed): Incorrect; MZR is designed to provide high-speed interconnectivity between zones.
Reference:
IBM Cloud Multizone Regions Overview
IBM Cloud Architect Exam Study Guide
質問 # 71
A Dialog Skill in Watson Assistant can make a web service call via which of the following?
- A. Webhook
- B. Message queue
- C. SOAP Endpoint
- D. Web service definition language
正解：A
質問 # 72
What is a key requirement of a resilient architecture?
- A. Low tolerance level for interruption
- B. High tolerance level for interruption
- C. Low rate of resource utilization
- D. High rate of resource utilization
正解：A
質問 # 73
What is the pre-defined combined limit on the number of volumes for Block Storage and File Storage per IBM Cloud account?
- A. 0
- B. 1
- C. 2
- D. 3
正解：D
質問 # 74
Which feature optimizes the work of load balancers on IBM Cloud?
- A. Global Load Balancer
- B. Standard Failover
- C. Citrix NetScaler VPX
- D. Traffic Steering
正解：D
解説：
Traffic Steering is a feature in IBM Cloud that optimizes the work of load balancers by directing traffic to the most appropriate resources based on predefined criteria, such as geographic location, resource availability, or other custom rules. This feature is crucial for optimizing application performance, reducing latency, and ensuring high availability across different regions and data centers.
IBM Cloud Load Balancer Overview: The IBM Cloud Load Balancer offers several advanced capabilities, including Traffic Steering, which enables intelligent routing of client requests. Traffic Steering can be configured to direct traffic to different backend servers or pools based on various policies like weighted round-robin, geographic proximity, or failover conditions. This optimizes the distribution of workloads and enhances the reliability and responsiveness of applications deployed on the IBM Cloud.
Importance of Traffic Steering: Traffic Steering is particularly beneficial in scenarios involving multi-region deployments. It ensures that user requests are served by the closest or most responsive data center, thereby minimizing response times and improving the end-user experience. It also enables flexible routing based on business logic or dynamic conditions, such as sudden surges in traffic or failures in specific regions.
Global Load Balancer Role: While the Global Load Balancer (Option D) is used for distributing traffic across multiple regions, Traffic Steering is a specific feature within the load balancing suite that controls how traffic is managed. Traffic Steering complements the Global Load Balancer by providing fine-grained control over traffic distribution strategies, enabling more efficient utilization of resources.
Reference:
IBM Cloud Load Balancer Documentation
IBM Cloud Architect Exam Study Guide
IBM Cloud Traffic Steering
質問 # 75
A customer has a compute resource in their private datacenter which they need to securely connect to compute resources in the IBM Virtual Private Cloud.
How can this be achieved?
- A. Use an IBM Cloud VPN for VPC
- B. Configure a Vyatta Secure Gateway at the VPC entry point
- C. Create a Security Group rule that explicitly blocks any other traffic
- D. Direct all commands via the ibmcloud CLI
正解：A
質問 # 76
Which IBM Cloud solution can provide a messaging broker?
- A. IBM Aspera
- B. IBM Event Streams
- C. IBM Watson OpenScale
- D. IBM API connect
正解：B
質問 # 77
What is used to configure virtual server instances (VSIs) with user data?
- A. user-data
- B. cloud-config
- C. server-config
- D. cloud-init
正解：D
解説：
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.
Reference:
IBM Cloud Virtual Servers Documentation
IBM Cloud Architect Exam Study Guide
cloud-init Official Documentation
質問 # 78
An organization has recently deployed Red Hat OpenShift on an IBM Cloud cluster on a VPC infrastructure. Several of the internal applications running in the cluster require access to resources hosted on an IBM Cloud Classic infrastructure. Which two connectivity options would enable this?
- A. IBM Cloud Direct Link
- B. IBM Cloud Load Balancer
- C. Virtual Routing and Forwarding
- D. Classic access VPC
- E. Transit Gateway
正解：A、E
解説：
When an organization has deployed Red Hat OpenShift on an IBM Cloud cluster on a Virtual Private Cloud (VPC) infrastructure and needs to connect to resources hosted on the IBM Cloud Classic infrastructure, IBM Cloud Direct Link and Transit Gateway are the two most suitable connectivity options.
IBM Cloud Direct Link:
IBM Cloud Direct Link provides dedicated, high-speed, and secure connectivity between IBM Cloud infrastructure components, including between VPCs and IBM Cloud Classic infrastructure. By establishing a Direct Link connection, traffic can securely flow between the Red Hat OpenShift workloads in the VPC and the applications or services running on the Classic infrastructure without traversing the public internet.
Transit Gateway:
IBM Cloud Transit Gateway allows organizations to establish a hub-and-spoke model of connectivity, facilitating communication between different networks, such as VPCs and Classic infrastructure, across IBM Cloud. With Transit Gateway, you can interconnect multiple VPCs and Classic networks, allowing seamless communication across the cloud environments. This option is ideal for managing traffic between isolated network segments while maintaining control over traffic routing and security policies.
These two options are typically used in multi-cloud or hybrid cloud architectures to ensure smooth, secure, and scalable communication between cloud environments (VPC and Classic infrastructure) in IBM Cloud.
IBM Cloud Documentation Reference:
IBM Cloud Direct Link
IBM Cloud Transit Gateway
質問 # 79
Which supported use case is for IBM Cloud for VMware virtualized data center extension?
- A. Modernize security with open multicloud platform
- B. Manage security detection and response
- C. Accelerate regulatory compliance
- D. Migration to the cloud
正解：D
解説：
The use case for "Migration to the cloud" is most relevant when considering IBM Cloud for VMware solutions, particularly in the context of virtualized data center extension. Here's why:
Migration to the Cloud: IBM Cloud for VMware is designed to help organizations extend their on-premises VMware environments into the IBM Cloud. This is achieved through hybrid cloud architectures that leverage VMware's technology stack in a cloud environment. Migrating existing workloads to the cloud without needing to refactor applications is one of the primary use cases for IBM Cloud for VMware. This is particularly beneficial for businesses looking to transition to the cloud while maintaining compatibility with their existing VMware tools and processes.
Supported Use Case Explanation: When extending a VMware-based data center to IBM Cloud, the solution allows for a seamless "lift-and-shift" migration. Organizations can move their virtual machines (VMs) and applications to the IBM Cloud without changing their underlying infrastructure. This use case supports continuity, speed, and minimal disruption, which is why "Migration to the cloud" is the correct answer.
Reference from IBM Cloud Professional Architect Materials:
According to IBM's documentation on IBM Cloud for VMware Solutions, one of the primary use cases is the ability to extend data center capabilities by migrating VMware workloads to the IBM Cloud. This extends existing investments in VMware technology while optimizing infrastructure by taking advantage of IBM Cloud's global data centers and enterprise-grade security and scalability.
IBM Cloud for VMware is positioned as a solution to help businesses modernize their IT infrastructure by moving to the cloud while avoiding the complexity of refactoring their existing workloads and applications, aligning directly with the concept of "Migration to the cloud." In contrast, the other options:
A . Manage security detection and response: This use case pertains more to IBM's security solutions rather than specific to VMware cloud migration.
B . Modernize security with an open multicloud platform: This is a broader concept that is not directly tied to VMware environments and their extension or migration.
D . Accelerate regulatory compliance: While this can be an outcome of using IBM Cloud, it is not a specific use case for extending a VMware virtualized data center to the cloud.
質問 # 80
Which of the following can be monitored with IBM Cloud Monitoring with Sysdig?
- A. Windows Virtual Servers
- B. Cloud Functions Applications
- C. Cloud Foundry Applications
- D. Containers within IKS
正解：D
質問 # 81
An architect recently deployed a multizone Red Hat OpenShift cluster on IBM Cloud. The architect wants to ensure that if one data center becomes unavailable, the service will spin up worker nodes in another data center without human intervention.
Which functionality enables this requirement?
- A. Load balancing
- B. Autoscaling
- C. Network forwarding
- D. Init-node script automation
正解：B
解説：
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.
Reference:
IBM Cloud Kubernetes Service Autoscaling
IBM Cloud OpenShift Documentation
IBM Cloud Architect Exam Study Guide
質問 # 82
What industry compliance program does IBM Cloud File Storage support?
- A. Payment Information Security Management Act (PISMA)
- B. Federal Data Protection Directive FDPD
- C. Payment Card Industry (PCI)
- D. High Security Infrastructure Accountability Act (HSIAA)
正解：C
質問 # 83
A customer RFP is requesting a solution to run a scalable, elastic, and managed analytics focused database with in-memory capabilities.
Which service should be included in the response?
- A. SQL Query
- B. Mongo Cluster Service
- C. Analytics Engine
- D. DB2 Warehouse on Cloud
正解：D
質問 # 84
How does a monitoring agent properly authenticate with the IBM Cloud Monitoring service it is sending metrics to?
- A. By using an API key from the master cloud account owner
- B. By using a service instance authorization
- C. By using the access key provided when provisioning the monitoring service
- D. By using a trusted profile
正解：B
解説：
In IBM Cloud, a monitoring agent properly authenticates with the IBM Cloud Monitoring service by using a service instance authorization. This approach allows secure interaction between the monitoring agent and the monitoring service by using identity and access management (IAM) policies and authorizations associated with a service instance.
Service instance authorizations grant specific permissions to services, enabling them to authenticate and interact with other services or resources securely. For IBM Cloud Monitoring, the agent uses the service instance authorization to send metrics to the monitoring service, ensuring that the communication is authenticated and authorized without relying on hard-coded credentials or API keys tied to individual users.
The service instance authorization method is recommended because it is aligned with best practices for securing services in cloud environments, offering a centralized and controlled way to manage permissions.
IBM Cloud Documentation Reference:
IBM Cloud Monitoring: Setting up and Configuring Agents
Service Authorization for IBM Cloud Services
質問 # 85
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