IBM Cloud Professional Architect V6 Free Sample Questions

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C1000-172 Sample Questions

  1. Question 1

    Q1

    A multinational corporation is designing a hub-and-spoke network topology on IBM Cloud. They have multiple VPCs in different MZRs (us-south, eu-de) that need to communicate with each other and with their on-premises data centers connected via Direct Link. The primary goals are centralized routing control, simplified network management, and avoiding complex VPC peering meshes. Which IBM Cloud networking service is specifically designed to act as a cloud network hub to connect VPCs and classic infrastructure across regions and with on-premises networks?

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    Correct answer: C

    IBM Cloud Transit Gateway is the managed service designed for this exact purpose. It simplifies connectivity by acting as a central hub, connecting VPCs, classic infrastructure, and on-premises networks without requiring a full mesh of VPC peerings. A VRA is a valid but less-managed approach requiring more operational overhead. CIS is for edge services like DDoS and WAF, not internal routing. A full mesh of VPC peerings is complex to manage and does not scale well.

  2. Question 2

    Q2Multiple answers

    A DevOps team is deploying a stateful, data-intensive application on Red Hat OpenShift on IBM Cloud. The application consists of a PostgreSQL database that requires high I/O performance and a processing service that requires a shared file system for temporary data exchange between multiple pods. They need to select appropriate persistent storage solutions that are fully managed and integrated with the platform. Which TWO IBM Cloud storage services should the architect recommend to meet the database and shared file system requirements respectively? (Select TWO)

    Show answer & explanation

    Correct answers: B, C

    IBM Cloud Block Storage provides the necessary high-performance, low-latency persistent storage with ReadWriteOnce (RWO) access mode, which is ideal for a single-pod stateful set like a database.

    IBM Cloud File Storage is an NFS-based service that provides ReadWriteMany (RWX) access mode, allowing multiple pods to mount and share the same volume simultaneously, which fits the shared file system requirement.

  3. Question 3

    Q3

    A leading European bank is architecting a new digital payments platform on IBM Cloud. Due to stringent regulatory requirements like GDPR and PSD2, they have an absolute mandate for "Keep Your Own Key" (KYOK) encryption. The bank's security policy dictates that they must have exclusive control over the entire key management lifecycle, including the hardware security module (HSM) where the master key resides. No cloud provider personnel, under any circumstances, should have access to the HSM or the keys. The solution must provide the highest level of cryptographic security available in the public cloud, validated by FIPS 140-2 Level 4 certification.

    The architecture involves encrypting data in IBM Cloud Object Storage, Databases for PostgreSQL, and custom applications running in a VPC. The security team needs a centralized, highly secure service to act as the root of trust for all encryption keys used across these services. They are evaluating different key management solutions but are concerned about multi-tenancy risks and potential access by privileged cloud administrators.

    Which IBM Cloud security service is uniquely designed to meet all the bank's stringent requirements for exclusive key control and the highest level of security certification?

    Show answer & explanation

    Correct answer: C

    IBM Hyper Protect Crypto Services is the only service that meets all the requirements. It provides a dedicated, single-tenant HSM (FIPS 140-2 Level 4 certified) that gives the client exclusive control (KYOK), meaning even IBM administrators cannot access the keys. It is designed to be the root of trust for other services. Key Protect is a multi-tenant service and only supports BYOK, not KYOK with exclusive HSM control. Certificate Manager is for TLS certificates, not data-at-rest encryption keys. A custom solution would be complex and lack the required certifications.

  4. Question 4

    Q4

    A retail company is modernizing its e-commerce platform. They want to decouple their order processing, inventory management, and shipping notification services. The goal is to build a resilient, scalable system where an "OrderCreated" event can trigger multiple downstream processes asynchronously without the core ordering service having to know about them. The expected event volume is high, with significant peaks during holiday seasons. Which fully managed IBM Cloud service is best suited to serve as the central message bus for this event-driven architecture, providing high-throughput, persistent, and scalable event streaming based on Apache Kafka?

    Show answer & explanation

    Correct answer: C

    IBM Event Streams is a managed Apache Kafka service, designed specifically for high-throughput, scalable, and persistent event streaming, which is exactly what is required for a central message bus in a high-volume event-driven architecture. IBM MQ is a message queue, better suited for traditional point-to-point or pub/sub messaging but not large-scale event streaming. Cloud Functions is a compute service that would consume events, not act as the bus itself. Cloudant is a NoSQL database.

  5. Question 5

    Q5

    An online media company streams live events to a global audience. They have application instances deployed in IBM Cloud MZRs in Dallas (us-south), Frankfurt (eu-de), and Tokyo (jp-tok). To ensure low latency and high availability, they need to direct users to the geographically closest data center. If the local data center becomes unhealthy, traffic should automatically failover to the next nearest healthy region. What IBM Cloud networking component should be used to achieve this geographic routing and automated global failover?

    Show answer & explanation

    Correct answer: C

    The IBM Cloud Internet Services (CIS) Global Load Balancer (GLB) is designed for this exact use case. It provides DNS-based global load balancing with features like geographic routing (directing users to the nearest origin pool), health checks, and automated failover between pools in different regions. An ALB operates within a single region. A Transit Gateway is for private network interconnection, not public internet traffic distribution. A VPN is for secure site-to-site connectivity.

  6. Question 6

    Q6

    A manufacturing firm runs its core ERP system on an on-premises IBM Power System running AIX. They want to establish a disaster recovery site in IBM Cloud without refactoring the application. The primary requirement is to have a cloud environment that is binary-compatible with their on-premises AIX LPARs, allowing for rapid recovery using their existing backup and replication tools. Which IBM Cloud compute offering is specifically designed to run enterprise AIX and IBM i workloads, providing a seamless extension of on-premises Power environments to the cloud?

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    Correct answer: C

    IBM Power Systems Virtual Servers is the purpose-built IaaS offering for running AIX, IBM i, and Linux on Power workloads in IBM Cloud. It provides the same Power architecture as on-premises systems, ensuring binary compatibility for seamless migration and DR scenarios. VPC Virtual Servers are x86-based and cannot run AIX. VMware solutions are for x86-based VMware workloads. OpenShift on Power is for containerized applications, not for lifting and shifting traditional AIX LPARs.

  7. Question 7

    Q7

    True or False: Deploying an application's components across multiple Availability Zones within a single IBM Cloud Multizone Region (MZR) automatically protects it from a complete regional failure (e.g., a natural disaster incapacitating the entire MZR).

    Show answer & explanation

    Correct answer: B

    Deploying across multiple Availability Zones protects against the failure of a single zone (e.g., a data center power outage). However, all zones within a single MZR are in the same geographic region and could be affected by a large-scale regional disaster. True disaster recovery requires replicating the application and data to a separate MZR in a different geographic location.

  8. Question 8

    Q8

    A security administrator needs to analyze all IP traffic flowing in and out of a specific Virtual Server Instance (VSI) network interface within a VPC for security auditing and threat analysis. They require a native IBM Cloud solution to capture this network flow data without installing any agents on the VSI itself. The captured data should be stored in an IBM Cloud Object Storage bucket for long-term retention and analysis. Which IBM Cloud feature should the administrator configure to meet this requirement?

    Show answer & explanation

    Correct answer: C

    IBM Cloud Flow Logs for VPC is the native service designed to capture information about IP traffic going to and from network interfaces within a VPC. It operates at the VPC infrastructure level, requiring no agents on the VSIs. It can be configured to deliver these logs to an IBM Cloud Object Storage bucket. Activity Tracker captures management plane API calls, not data plane network traffic. Monitoring is for metrics, not detailed flow logs. Security Groups enforce rules but do not provide detailed logging of all traffic flows.

  9. Question 9

    Q9

    An architect is selecting a storage solution for a new cloud-native application. The primary requirement is to store petabytes of unstructured data, such as images, videos, and backups, in a highly durable and cost-effective manner. The data will be accessed infrequently but must be available with high resiliency. The solution must also support data archiving with automated lifecycle policies to move older data to cheaper storage tiers. Which IBM Cloud Storage service is the most appropriate choice?

    Show answer & explanation

    Correct answer: C

    IBM Cloud Object Storage (COS) is specifically designed for storing large amounts of unstructured data. It offers high durability, scalability to petabytes, and various storage classes (e.g., Standard, Vault, Cold Vault, Flex) with lifecycle policies to automatically transition data for cost optimization, making it ideal for this use case. Block and File storage are not as cost-effective or scalable for this type of data.

  10. Question 10

    Q10

    A developer is building a serverless application and needs a platform that can run both container images and application code without managing underlying infrastructure. The application has components that are long-running batch jobs and others that are event-driven functions. The developer wants a single, unified experience for deploying and managing all these components. Which IBM Cloud service provides this unified serverless platform?

    Show answer & explanation

    Correct answer: C

    IBM Cloud Code Engine is a fully managed, serverless platform that allows developers to run container images, applications, and batch jobs in a single environment. It abstracts away the underlying infrastructure and provides a unified experience for various serverless workloads, perfectly matching the developer's requirements.

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