Simple2Call NOC Engineer Interview Questions, Process, and Tips

A NOC Engineer is responsible for monitoring and maintaining network systems to ensure their availability and performance.

• Monitor network systems and troubleshoot issues

• Perform regular maintenance tasks and upgrades

• Respond to alerts and incidents in a timely manner

• Collaborate with other teams to resolve complex problems

• Document network configurations and changes

• Provide technical support to end-users

• Ensure network secur...read more

EPDG node analysis involves examining the performance and functionality of the EPDG node in a network.

• EPDG stands for Evolved Packet Data Gateway.

• EPDG node analysis helps identify any issues or bottlenecks in the EPDG node.

• It involves monitoring and analyzing the traffic, throughput, latency, and other performance metrics of the EPDG node.

• EPDG node analysis helps ensure optimal performance and reliability of the networ...read more

PDN down in EPDG refers to the process of deactivating a Packet Data Network (PDN) connection in an Evolved Packet Data Gateway (EPDG).

• PDN down in EPDG is typically performed to release network resources and terminate a user's data session.

• This can be achieved by sending a PDN disconnect request to the EPDG.

• The EPDG will then release the resources associated with the PDN connection and notify the user equipment (UE) ab...read more

Monitoring in a product involves using various tools and techniques to track its performance, availability, and health.

• Use monitoring tools like Nagios, Zabbix, or SolarWinds to collect and analyze data.

• Monitor key metrics such as CPU usage, memory utilization, network traffic, and response time.

• Set up alerts and notifications to proactively identify and address issues.

• Implement log monitoring to track errors, warnings...read more

The observed alarms are related to network connectivity and performance.

• Network connectivity issues

• High latency or packet loss

• Device or link failures

• Security breaches or unauthorized access

• Configuration errors

• Service outages

Card oos generated in node refers to the occurrence of an Out of Service (OOS) condition in a network node.

• Card OOS refers to a situation where a network card or module in a node becomes unavailable or fails to function properly.

• This can happen due to hardware issues, software errors, or configuration problems.

• When a card goes OOS, it can impact the overall performance and availability of the network.

• Troubleshooting st...read more

To check core files in a node, use the appropriate command or tool to locate and analyze the core files.

• Use the 'find' command to search for core files in the specified directory or across the entire system.

• Once located, use the 'file' command to determine the type of the core file.

• Analyze the core file using a debugger tool like 'gdb' to identify the cause of the crash or error.

• Consider checking system logs or error m...read more

To check VNF down in a node, verify the status of the VNF and its connectivity.

• Check the status of the VNF by querying its management interface or using monitoring tools.

• Verify the connectivity of the VNF by checking network connections and logs.

• If the VNF is down, troubleshoot the issue by analyzing logs, checking configurations, and verifying dependencies.

• Examples: Use CLI commands like 'show vnf status' or 'ping' to