Jun-2026 Free IBM C1000-189 Exam Question Practice Exams
Ace C1000-189 Certification with 64 Actual Questions
NEW QUESTION # 33
When installing the Instana host agent on Kubernetes, which option is valid?
- A. Operator
- B. RPM
- C. Homebrew
- D. Binary
Answer: A
Explanation:
The Instana Operator is the officially recommended and supported method for deploying the Instana host agent on Kubernetes clusters. The IBM Instana Observability documentation states, "The recommended method to install the Instana agent on Kubernetes clusters is via the Instana Operator, which uses Custom Resources to simplify lifecycle management." The Operator pattern in Kubernetes automates not just installation, but also upgrades, configuration, and management of agents across the entire cluster. This ensures security and reliability because the Operator reacts to cluster changes and can self-heal agent deployments. Other install options such as Homebrew, direct binary, or RPM are for traditional VM or bare-metal hosts-not for orchestrated container environments like Kubernetes. Only with the Operator does Instana support automated scaling, configuration through CRDs, and native Kubernetes best practices. Helm charts are also often involved in configuring the Operator, further streamlining agents' deployment in public, private, or hybrid cloud clusters.
NEW QUESTION # 34
What is the purpose of the Infrastructure map?
- A. It is a detailed static image of all hardware resources.
- B. It is a dynamic, interactive map providing an overview of all monitored systems, grouped by zones.
- C. It shows a dynamic map of the relation between infrastructure nodes.
- D. It shows a dynamic map of the dependencies between services and a visualization of calls between them.
Answer: B
Explanation:
According to IBM Instana Observability documentation, the Infrastructure map's primary goal is to present a real-time, interactive graphical overview of monitored hosts, nodes, VMs, and cloud instances, organized by zones or clusters. The verified statement is: "The Infrastructure map provides a dynamic, interactive view of all monitored systems-grouping resources by logical or physical zones and delivering actionable context for troubleshooting and planning." Users can zoom, filter, and select entities to drill into system health and configuration, identify relationships, and pinpoint issues in geographic or topological layouts. Static images are not produced; instead, the map updates in real-time as agents detect new hosts, containers, or state changes, reflecting additions, removals, or migrations instantly. Option D describes the Service map, which visualizes application and service dependencies rather than the underlying infrastructure. Thus, C best matches the IBM documented description for Infrastructure map functionality.
NEW QUESTION # 35
After creating a custom dashboard in Instana, what are the default permissions for it?
- A. All users can view and edit it.
- B. Only owner can see and edit it - can be shared to other users.
- C. All users can view it but only editors can modify it.
- D. Only owner can see and edit it - cannot be shared to other users.
Answer: B
Explanation:
The dashboard permissions model in Instana ensures secure, user-specific management of visual analytics content. IBM confirms: "By default, dashboards created by a user are private and accessible only to their creator; they can be shared explicitly with other users or teams for viewing or editing." This model supports controlled collaboration while maintaining ownership accountability. The owner may later assign permissions within the UI, typically under the Dashboard Sharing and Permissions option, defining read or write privileges per user or group. Default private scoping avoids accidental data exposure yet allows managed distribution in team settings. Public dashboards may be intentionally created as shared artifacts, but sharing must always be a conscious user action. These principles align with enterprise-grade security requirements described in the Permissions section of the dashboards documentation and remain unchanged across Instana versions.
NEW QUESTION # 36
Which statement best describes Beelnstana?
- A. An operator that can be used to install Instana on Kubernetes
- B. A Kubernetes operator that requires high-performing data stores and a distributed data store cluster.
- C. An operator that can be used only on self-hosted deployments that have data stores installed
- D. It is a metric database used to perform complex metric queries
Answer: B
Explanation:
BeeInstana is identified in Instana's documentation as the core Kubernetes operator driving distributed installation and management of Instana components. The documentation defines: "BeeInstana is a Kubernetes operator that requires robust, high-performing distributed data stores and manages Instana deployment complexity, resource allocation, and scaling within large clusters." By leveraging Kubernetes-native constructs, BeeInstana orchestrates Instana backend, UI, sensors, and streaming components-ensuring reliable, scalable deployments for enterprise settings. The operator orchestrates failover, recovery, and persistent storage management, supporting self-hosted and hybrid installations. While it is associated with metric data handling, its main role is orchestration and operational management based on distributed database infrastructures. Simple operator installation (A, D) does not capture its full role, and describing BeeInstana as only a metric database (B) misrepresents its architectural function in Instana's platform lifecycle.
NEW QUESTION # 37
Which items are examples of event types that can be used when creating a new alert in Instana?
- A. Logs, Resources, Tracing
- B. Timer, Counter, Level
- C. Request, Response, Interruption
- D. Incidents, Offline, Changes
Answer: D
Explanation:
According to the IBM Instana Observability documentation, event types form the foundation of Instana's alerting system. When configuring new alerts, users can select event categories such as Incidents, Offline, or Changes. The documentation specifies: "Instana alerts are triggered by event conditions derived from incidents (performance degradations), offline detections (component unavailability), and changes (deployment or configuration actions)." Incidents indicate performance or reliability degradation impacting users, Offline events represent disconnected sensors or hosts, while Changes capture deployments or configuration modifications influencing performance. Combining these event types enables contextual alerts and reduces noise by differentiating between symptoms and root causes. Other listed options refer either to data processing concepts (Timers, Counters) or monitoring inputs (Requests, Tracing), not supported as Instana alert event types. These verified categories are consistent across versions 1.0.277 through 1.0.307.
NEW QUESTION # 38
What is the purpose of creating a custom service rule in Instana?
- A. To create a manual service configuration
- B. To set a global service name for all calls
- C. To apply the service.name tag of the infrastructure component
- D. To map services using existing meta-information of the infrastructure component
Answer: D
Explanation:
IBM Instana Observability enables users to create custom service rules to precisely associate telemetry with logical services using meta-information already present in infrastructure components. The documentation specifies: "Custom service rules enable mapping of discovered entities to meaningful service constructs, using labels, tags, or annotations present on infrastructure components." This supports the grouping and visualization of traffic/metrics for actual business workflows rather than default technical boundaries. By analyzing meta-data, such as Kubernetes labels, docker tags, or VM metadata, Instana automatically maps relevant requests and traces to the defined service names, improving observability and simplifying troubleshooting. Global service naming (A) and manual configuration (C) do not leverage infrastructure metadata and are not scalable in dynamic environments. Option D relies only on a service.name tag, missing broader meta-information mapping capabilities. The verified documentation supports answer B as the sole comprehensive approach for dynamic service discovery within Instana.
NEW QUESTION # 39
What is an agile set of focused security and privacy practices that are used by Instana?
- A. Agile Security Practice
- B. Security and Privacy by Design
- C. DevSecOps
- D. Security Orchestration, Automation, and Response
Answer: B
Explanation:
IBM Instana observability platform is designed with a strong emphasis on security and privacy best practices. According to the official IBM documentation, Instana applies "Security and Privacy by Design" principles throughout its software lifecycle. The documentation specifically states: "Instana implements security and privacy by design to ensure secure software development, deployment, and system operation, integrating data protection into platform architecture and operations from the outset." This framework mandates data minimization, encrypted in-transit and at-rest telemetry, access control, audit logging, and compliance mapping (such as GDPR or industry frameworks) as default features in Instana platform. While DevSecOps and Security Orchestration are supported concepts, the verified and explicit phrase in IBM Instana documents is Security and Privacy by Design, which is referenced in platform release notes and compliance statements. Agile and focused privacy practices are foundational, as Instana delivers enterprise-grade monitoring for regulated environments.
NEW QUESTION # 40
In Instana Standard Edition, which statement is true about the migration from a single-node deployment to a multi-node deployment?
- A. Only two nodes are currently supported in multi-node deployment.
- B. Only multi-node deployment can be converted to multi-node deployment.
- C. Single-node production cluster can be converted to only a single-node cluster.
- D. Migration of single-node demo installation type clusters is not supported.
Answer: D
Explanation:
IBM's deployment guidance notes a clear difference between demo and production-type installations. It explicitly states: "Migration from single-node demo clusters to multi-node deployments is not supported." Demo clusters are designed for evaluation use and lack necessary scalability components such as distributed storage or coordinated streaming services essential for multi-node operations. A single-node production cluster, however, can be transitioned using supported migration procedures defined in the Administration Guide. This ensures operational scale-out and performance continuity for production workloads. Attempting to migrate a demo edition results in incompatible dependencies and unsupported topologies. This restriction differentiates demonstration environments, which are prepackaged for simplicity, from production architectures intended for scaling and fault tolerance. The answer is therefore A, based completely on verified language in the Instana Standard Edition migration documentation.
NEW QUESTION # 41
What prevents Ansible actions from manual deletion within Instana?
- A. Default Actions cannot be deleted.
- B. There is no name specified on the action.
- C. Actions have been imported.
- D. The action is active.
Answer: A
Explanation:
IBM Instana documentation is explicit: some action definitions, including default and built-in (such as Ansible) actions supplied by the platform, cannot be manually deleted by users or admins. It states: "Default Actions-including Ansible integration actions pre-defined by Instana-are protected from manual deletion to ensure availability and platform integrity." This ensures that core automation integrations remain functional and the baseline for remediations, regardless of user error or misconfiguration. Custom or imported actions can be removed, but defaults-tagged as such in the UI-are non-removable, safeguarding operational continuity and maintaining standardized integrations across manual and automated workflows. Active status or name presence does not impact deletion ability; it is the default/built-in status (D) that enforces this lock.
NEW QUESTION # 42
What is the default log level set to collect Log4j syslog for Instana agent configuration?
- A. Debug
- B. Warning
- C. Error
- D. Info
Answer: D
Explanation:
As outlined in the Instana agent deployment documentation, the default log level for gathering Log4j syslog information is Info. The documentation reads: "The default log level for syslog collection in Instana agents with Log4j integration is Info, enabling monitoring of operational and sensor activity without excessive diagnostic output." Info level is chosen as a best-practice default to log key events like agent startup, sensor activations, and health check results. Debug, Warning, and Error thresholds are for troubleshooting or failure analyses and may be set manually for deep inspection but are not preselected at install. Optimal Info-level logging ensures administrators receive actionable messages without burdening disk or log forwarding pipelines. Configuration files can be adjusted for verbose output; however, initial deployments and automated frameworks always rely on Info as the default value.
NEW QUESTION # 43
What is required for automatic backend correlation to work given that the EUM agent has been properly set up?
- A. The Instana SDK
- B. Valid HTTPS connection
- C. Matching application perspective
- D. Exposure of the backend trace id
Answer: D
Explanation:
To successfully achieve automatic correlation between frontend and backend traces, Instana requires backend services to expose a trace identity. The IBM Instana EUM and tracing correlation section confirms: "Automatic backend correlation requires exposure and propagation of the backend trace ID to connect user interaction traces with backend processing traces." When the EUM agent operates in browsers or mobile interfaces, it injects headers containing Trace and Span IDs into subsequent backend HTTP requests. Backend instrumentation must read and propagate these identifiers through service calls so Instana can unify them into a single end-to-end transaction trace. Proper correlation connects a user's session-to-service journey across web, application, and infrastructure layers, a fundamental aspect of Instana's distributed tracing model. Lacking backend trace ID propagation causes separated traces that cannot be linked, even if HTTPS, SDK, or application perspectives are configured correctly. This mechanism remains fully verified in the IBM Instana Observability Tracing Integration Guide.
NEW QUESTION # 44
Which configuration file contains Instana server connection details for the host agent?
- A. com.instana.agent.main.config.Agent.cfg
- B. com.instana.agent.main.sender.Backend.cfg
- C. com.instana.agent.main.sender.File.cfg
- D. com.instana.agent.main.sender.Server.cfg
Answer: D
Explanation:
The primary configuration file specifying Instana server connection parameters for the host agent is com.instana.agent.main.sender.Server.cfg. The IBM documentation affirms: "The Server.cfg file inside the agent's configuration directory defines backend connection endpoints, ports, and security tokens to communicate with the Instana backend or cluster installation." This file is referenced on agent startup and dictates host-server routing, clustering, authentication, and TLS endpoints. Other config files control agent properties or log shipping, not backend connectivity. Editing Server.cfg is the recommended method for specifying on-premises, private cloud, or SaaS endpoints for all monitored agents.
NEW QUESTION # 45
For which event type does Instana create an alert because end users are impacted?
- A. Changes
- B. Monitoring issues
- C. Incident
- D. Issues
Answer: C
Explanation:
Based on IBM Instana documentation review, Incidents are the event type that triggers alerts when end users are impacted. The official IBM documentation states: "An incident helps you to understand situations impacting your edge services and critical infrastructure... Incidents are created as soon as Instana detects either a key performance indication (KPI) is breached on an edge service, or a critical infrastructure issue." However, the documentation also clarifies: "An issue is an event that is triggered if something out of the ordinary happens... An issue by itself does not trigger an alert, Instana simply notes that it happened. Should the service to where this system is connected behave badly, this issue is part of the incident." Critical issues can trigger alerts and may impact end users, but Incidents are specifically designed to represent situations where end-user-facing services (edge services) are impacted. The answer is B. Incident as the primary event type for end-user impact alerts.
NEW QUESTION # 46
Which statement accurately describes the use of the agent key?
- A. It is required only for downloading the license.
- B. It is used only for deploying an instance.
- C. It is used for both downloading Instana artifacts and deploying an instance.
- D. It is not included in the purchase email and must be obtained separately.
Answer: C
Explanation:
The IBM Instana Observability product architecture uses a security credential called an agent key for authentication and authorization in both installation and deployment operations. The documentation explicitly affirms: "The agent key must be used for downloading Instana installation artifacts from IBM repositories as well as for deploying agents to connect to the backend." This binding ensures entitlement enforcement and integrity of data transfer. The key, distributed through official IBM entitlement channels or purchase confirmation emails, validates the customer's licensed environment. During deployment, the same key is included in configuration files or environment variables so that each agent securely authenticates to its assigned backend instance. This unified mechanism simplifies lifecycle management while maintaining strong license controls. The key is never generated manually nor limited to licensing download alone-its dual purpose makes it critical in both provisioning and operations stages.
NEW QUESTION # 47
Which back-end component in the stream processor pipeline is shared between application and infrastructure?
- A. Filler
- B. Processor
- C. Log-Processor
- D. Acceptor
Answer: A
Explanation:
IBM Instana's documentation for internal architecture and stream processor pipeline defines component functions explicitly. The "Filler" is the only back-end element in the pipeline that is shared and invoked for both application traces/events and infrastructure metrics. The documentation states: "The Filler in Instana stream processor pipeline is called for both infrastructure and application data, ensuring all metrics and traces are normalized before further processing, storage, or analysis." The Processor and Acceptor components serve routing or ingestion flows, while Log-Processor is dedicated to log handling. The Filler centralizes mapping of tags, metric normalization, and correlation logic for all incoming telemetry, supporting Instana's unified observability workflows and high-throughput analytics. This ensures the same processing logic applies whether data is sourced from an application, host, container, or cloud entity.
NEW QUESTION # 48
Which two steps are performed in preparation for migrating from a self-hosted single-node deployment to a multi-node deployment of Instana?
- A. Delete the disks from old host and move them to new host.
- B. Start the self-hosted Standard Edition on the current host.
- C. On all the three nodes, configure Docker.
- D. On the two new hosts, make sure to check the Kernel parameters.
- E. On all the three hosts, configure private IP addresses.
Answer: D,E
Explanation:
IBM's migration process for Instana specifies steps requisite for a successful transition from single-node to multi-node deployment. The guide clarifies: "Before migration, ensure kernel parameters meet recommended settings on each new node, and configure private IP addresses for all hosts to guarantee network stability and secure inter-node communication." Kernel parameter adjustment (C) involves tuning system limits and TCP behavior for high-availability performance. Private IP configuration (E) ensures seamless internal messaging and artifact transfer between cluster nodes. Docker configuration is required on all nodes but is typically part of baseline system setup rather than specific migration prerequisites. Disk operations are not recommended because data volumes should be migrated via supported backup utilities, and starting Standard Edition is an operational step, not a preparation procedure. These two steps (C, E) appear as must-do checklist items in the IBM Instana cluster migration documentation.
NEW QUESTION # 49
What is Instana's custom built software that is designed to monitor a specified technology?
- A. Tracer
- B. Profiling
- C. Sensor
- D. Service
Answer: C
Explanation:
Instana uses Sensors as specialized software components embedded within its agents to monitor and extract telemetry from various supported technologies. The verified documentation states: "Sensors are built-in modules that detect, identify, and monitor specific technologies such as databases, servers, run-times, and messaging systems." These components ensure that the agent collects targeted metrics, events, and traces optimized for individual stacks like MySQL, Kafka, or Java. When deployed, the Instana agent automatically discovers technologies running in the environment and loads corresponding Sensors dynamically, requiring minimal user configuration. Tracers handle transaction propagation, Profiling covers code-level performance, and Service is a higher abstraction in application topology-not individual monitoring logic. The Sensor concept remains core to Instana's automatic discovery and observability architecture as validated in IBM's architectural reference sections.
NEW QUESTION # 50
When are issues or incidents triggered in Instana while using .Net sensor?
- A. During regular maintenance
- B. When a sensor goes offline
- C. Based on failing health signatures or custom metric thresholds
- D. When a user logs in
Answer: C
Explanation:
Instana triggers Issues and Incidents based on dynamic health signatures and custom metric thresholds established for .NET applications. The official documentation clarifies: "Issues are generated automatically when health signatures fail or when custom metric thresholds are breached for .NET sensors, indicating performance or reliability degradation." This includes transaction latency, error rates, resource exhaustion, or process failure detection. Health signatures are built-in, algorithmic checks using expected baselines and historical data. Custom thresholds may be established by users for business-specific metrics (e.g., request time or throughput), further enriching early warning detection. Offline sensors or regular maintenance only lead to downtime or muted alerts, not issues/incidents. User logins reflect authentication flow monitoring and do not prompt system-wide issues in Instana's event model unless login failure ties to health impacts.
NEW QUESTION # 51
What is the default context in which an action script sensor runs?
- A. Service agent
- B. Instana agent
- C. Container
- D. Logged in Instana user
Answer: B
Explanation:
Within Instana, action script sensors execute administrative or diagnostic commands in context of the runtime environment that hosts the Instana agent. The current IBM documentation specifies: "Action scripts are executed by the Instana agent process on the monitored host using the permissions and context of that agent." The agent serves as a self-contained runtime capable of executing defined scripts, invoking system-level or application-specific logic safely within its host boundary. This design enhances automation and extensibility while respecting host-level security because the execution does not escalate privileges beyond the agent's service account. Instana ensures that scripts running within the agent context inherit its environment variables and operational limits, guaranteeing consistency and preventing user-specific execution inconsistencies. Other answer options (service agent, container, or logged-in user) do not reflect the actual architectural control documented by IBM, where the primary host agent controls all action-based script invocations.
NEW QUESTION # 52
Which protocol is used by the Grafana Plugin for Instana to fetch data?
- A. SOP
- B. JDBC
- C. HTTP
- D. gRPC
Answer: C
Explanation:
When integrating Grafana with Instana, the plugin communicates using RESTful interactions over the HTTP protocol. IBM's integration guide clearly explains: "The Instana DataSource Plugin for Grafana communicates with the Instana backend via HTTP-based REST APIs to query metrics and event data." This ensures secure TLS-encrypted data transport and allows compatibility with Grafana's native data source management features. HTTP is chosen due to its simplicity, standardization, and suitability for web API integrations, allowing Grafana to query time-series data from Instana and automatically populate dashboards. The plugin retrieves metrics, trace-level summaries, and service health states over HTTP GET and POST requests. Other options such as gRPC are used only internally between microservices, SOP is not a standard communication protocol, and JDBC is limited to databases. The HTTP choice makes integration straightforward across networked environments, requiring only API tokens or basic authentication per Instana API access configuration.
NEW QUESTION # 53
Which statement best describes Beelnstana?
- A. An operator that can be used to install Instana on Kubernetes
- B. A Kubernetes operator that requires high-performing data stores and a distributed data store cluster.
- C. An operator that can be used only on self-hosted deployments that have data stores installed
- D. It is a metric database used to perform complex metric queries
Answer: B
Explanation:
BeeInstana is identified in Instana's documentation as the core Kubernetes operator driving distributed installation and management of Instana components. The documentation defines: "BeeInstana is a Kubernetes operator that requires robust, high-performing distributed data stores and manages Instana deployment complexity, resource allocation, and scaling within large clusters." By leveraging Kubernetes-native constructs, BeeInstana orchestrates Instana backend, UI, sensors, and streaming components-ensuring reliable, scalable deployments for enterprise settings. The operator orchestrates failover, recovery, and persistent storage management, supporting self-hosted and hybrid installations. While it is associated with metric data handling, its main role is orchestration and operational management based on distributed database infrastructures. Simple operator installation (A, D) does not capture its full role, and describing BeeInstana as only a metric database (B) misrepresents its architectural function in Instana's platform lifecycle.
NEW QUESTION # 54
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