Free SolarWinds Hybrid-Cloud-Observability-Network-Monitoring Practice Exam with Questions & Answers | Set: 4

The “top talkers” feature tracks the highest-bandwidth consumers in your network. Lowering the optimization value means more flows and more detailed data are collected and stored, which can increase the storage requirement on your server.

Exact Extract from Official Guide:

“Decreasing the Top Talkers optimization value results in the storage of more detailed data, which increases the database and storage requirements.”

— (Network Performance Monitor Administrator Guide, “NetFlow and Top Talkers Optimization” section)

The SolarWinds platform uses the concept of " dependencies " to handle parent-child relationships. When you configure dependencies (via Manage Dependencies), child objects such as interfaces will show as " unreachable " if the parent node is " down " or unresponsive, rather than " down " or " unknown " .

" The Manage Dependencies feature allows administrators to specify parent-child relationships. If a parent device is down, all child objects will be marked as ' unreachable ' , preventing unnecessary alerts and false positives. "

This is a best practice to avoid alert storms and to properly reflect network hierarchy.

To create a NetPath probe in SolarWinds, you need to specify a source (which requires a Windows-based agent or node) and a destination port. The documentation states:

“To deploy a NetPath probe, select a Windows node or agent as the source and specify the connection port for the service to be monitored. Linux nodes and agents are not supported for NetPath probes.”

If the web console shows a router as “down” but it is actually operational:

ICMP is blocked: If the polling engine cannot ping the device, it will be reported as down.

SNMP is blocked: If SNMP polling fails (for devices polled via SNMP), detailed data and status cannot be retrieved, resulting in a down state.

Agent connection issues may apply for agent-based monitoring but are not typical for network routers. Node dependency configuration could affect child node status display but would not cause the parent node to show “down”.

Capacity forecasting accuracy is directly impacted by:

Amount of historical data used: More historical data provides better trend analysis.

Exhaustion calculation method: Different methods (e.g., linear, peak, moving average) affect how forecasts are calculated.

Polling interval: More frequent polling increases granularity and the accuracy of forecasting.

Warning thresholds (D) do not affect the precision of forecasts, only the alerting behavior.

To receive and process flow data, SolarWinds NTA/HCO must have flow sources enabled and must listen on the correct flow collection port. SolarWinds states that flow-enabled nodes and interfaces must be monitored before they can be recognized as flow sources in NTA, so monitoring the relevant interfaces under flow sources is required. SolarWinds also documents UDP port 2055 as the default port for receiving flows on an NTA collector. Port 1434 is related to SQL Server Browser/dynamic SQL discovery scenarios, not NetFlow collection. Adding nodes directly to “NetFlow endpoints” is not the correct SolarWinds configuration model; devices and interfaces are monitored and then enabled as flow sources.

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To monitor an application on a server with SolarWinds, you must first find the application in the list of available (supported or discovered) applications and enable monitoring for it. The platform also provides a “monitor recommended applications” button to automatically suggest and enable monitoring for best-practice applications on a given server.

From the documentation:

“To monitor an application, select it from the list of available applications and enable it for the target server. The ‘Monitor Recommended Applications’ option helps you quickly enable commonly used application monitors.”

Grouping IP addresses or configuring specific source/destination pairs is not required for standard application monitoring.

The best answer from the available options is A, but the wording is poor. SolarWinds’ troubleshooting guidance says that when SNMP data does not return as expected, administrators should confirm that the node responds with a proper OID by using the MIB Browser or another SNMP request tool, and can also use the SolarWinds SNMP Walk tool to troubleshoot connection/OID issues. Since the question already confirms credentials and firewall ports, repeating the community string check is redundant. Polling with an agent does not fix SNMP validation from the server, and the MIB database service is not the first logical validation step. A is closest because it tests whether the device actually returns OID data.

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List Resources: When you add or manage a node, the List Resources page allows you to enable or verify hardware health monitoring options.

Manage Sensors: This section allows you to directly manage the hardware sensors (such as fans, power supplies, and temperature sensors) that report health status.

Device view and node properties are not the primary locations for enabling or managing hardware health sensors.

Universal Device Pollers (UDPs) must be explicitly assigned to each node for which custom polling is required. Adding a new node does not automatically assign existing UDPs to that node, even if it’s the same device type as others already using the poller. Assigning the existing UDP to the new node will resolve the issue and enable polling of the desired data.