4.3 Troubleshoot Device Usage and Health NETWORK-SECURITY-ANALYST Practice Questions (Page 2)

Questions 6–10

1. 6expert · hard

   A firewall is experiencing intermittent high CPU usage and you notice that the system log shows repeated 'session table full' messages. The network has grown significantly, and you need to decide whether to increase the session limit or optimize the firewall's configuration. Which approach should you take first?

   • AIncrease the session limit to accommodate the network growth.
   • BReboot the firewall to clear the session table and reduce CPU usage.
   • COptimize the firewall's security policies to reduce the number of sessions.
   • DAnalyze the traffic patterns to identify the cause of the high session count and CPU usage.
   Reveal Solution Discussion Select an answer first
2. 7application · medium

   A firewall's system log shows repeated 'temperature high' alarms, and the device is automatically shutting down. What should you do first to address the issue?

   • AReboot the firewall to clear the temperature alarm.
   • BCheck the ambient temperature and ensure the firewall's cooling fans are functioning properly.
   • CIncrease the firewall's CPU usage to generate more heat and test the alarm.
   • DDisable the temperature alarm to prevent automatic shutdown.
   Reveal Solution Discussion Select an answer first
4. 8expert · hard

   A firewall's system log shows a large number of 'session setup failed' messages, and users are experiencing connectivity issues. You need to determine if the issue is caused by a resource limitation or a configuration problem. Which two steps should you take?

   • ADisable all security policies to allow all traffic and test connectivity.
   • BCheck the session table for high utilization and review the security policies for any misconfigurations.
   • CReboot the firewall to clear the session table and see if the errors stop.
   • DIncrease the session limit to accommodate more sessions.
   Reveal Solution Discussion Select an answer first
5. 9application · medium

   A firewall's memory usage is high, and you suspect a specific process is leaking memory. Which two steps should you take to confirm the leak?

   • AIncrease the firewall's memory allocation to accommodate the leak.
   • BDisable the suspected process to see if memory usage drops.
   • CMonitor the process's memory usage over time using 'show running resource-monitor' and check for a steady increase.
   • DReboot the firewall and see if memory usage returns to normal.
   Reveal Solution Discussion Select an answer first
6. 10expert · hard

   You need to determine if a firewall's resource usage is within acceptable limits for its workload. You have access to historical reports and real-time monitoring. Which approach should you take?

   • ACompare real-time usage with historical trends and the firewall's documented capacity limits.
   • BRely solely on real-time monitoring to assess current usage.
   • CReboot the firewall and monitor usage after reboot.
   • DUse historical reports only to assess usage trends.
   Reveal Solution Discussion Select an answer first