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NEW QUESTION # 19
What is Instana's custom built software that is designed to monitor a specified technology?
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 # 20
Which environment requires an air-gapped Instana installation?
Answer: D
Explanation:
According to the IBM Instana Observability documentation, an air-gapped installation is required when your environment is disconnected from the internet or has no access to external networks. The documentation states: "Air-gapped and restricted environments require deploying Instana without any connection to public repositories or backend services, assuring full isolation for compliance and regulatory requirements." The air-gapped setup ensures sensitive data or system configurations are never exposed outside the organization's internal trusted boundaries, making it mandatory for government, defense, or tightly regulated industries. Standard installation processes, including auto-update features and remote license verification, are replaced in air-gapped deployments with manual artifact and key management, as file transfers and package updates must be handled strictly within the controlled environment. The option described in B (high-speed internet) or D (unrestricted internal transfer) does not trigger air-gapping, while option A may require proxy or firewall configuration but is not entirely air-gapped unless full external access is blocked.
NEW QUESTION # 21
Which public cloud service can be monitored using Instana serverless agents?
Answer: B
Explanation:
IBM Instana supports direct monitoring of AWS Lambda via serverless-specific agents that bridge trace, metric, and log data between Lambda executions and the Instana backend. The documentation specifies: "Instana's serverless agents enable tracing and monitoring of AWS Lambda functions-including cold start events, performance, and error metrics-correlating invocation traces with upstream and downstream services." Lambda is the only public cloud-native serverless runtime natively and fully integrated with Instana's instrumentation and tracing. Azure Redis Cache, AWS Kinesis, and AWS SQS are data stores or message services, not supported for full serverless agent instrumentation (though they may be monitored via associated infrastructure and integration sensors). Instana's Lambda agent is deployed as a Lambda layer or sidecar, delivering first-class observability for serverless architectures.
NEW QUESTION # 22
What is mandatory to use Instana REST APIs?
Answer: B
Explanation:
Access to Instana's REST API is secured using authorization tokens-an industry-standard best practice for API authentication and traceability. IBM documentation says: "A personal or team API token is required to authenticate REST API calls." Tokens serve as credentials embedded in HTTP headers on each request, providing both identity and access control for the API consumer. Tokens are mandatory; without a valid token, any API requests are denied with a 401 Unauthorized error, regardless of whether a tool (such as CURL) is used. Tokens can be scoped for individual users (personal tokens) or teams (team tokens), enabling granular tracking and revocation as part of enterprise security policies. API tokens are generated from the Instana UI under the profile or team section. Cookies and raw client libraries (e.g., Python) are not authentication methods for Instana APIs.
NEW QUESTION # 23
In Instana Standard Edition, which statement is true about the migration from a single-node deployment to a multi-node deployment?
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 # 24
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