SNMP Scripts JN0-423 Practice Questions (Page 3)

Questions 11–14

1. 11application · medium

   A developer is writing a new SNMP script for a Junos device. The script needs to import the necessary Junos SNMP libraries and define the main entry point. Which of the following is a required component in the script's structure?

   • AA `main()` function that is automatically invoked when the script is triggered.
   • BA `version` field in the script header that must be set to `1.0` for the script to execute.
   • CA `snmp_script` declaration in the script header that identifies it as an SNMP script.
   • DAn `import snmp;` statement at the top of the script to load the SNMP module.
   Reveal Solution Discussion Select an answer first
2. 12expert · hard

   A company has a Junos device that runs an SNMP script to monitor a critical interface. The script sends a trap when the interface goes down. The NMS also polls the device for interface status. The engineer notices that the NMS sometimes misses the trap and relies on the poll. What is the best way to ensure the NMS always knows about the interface status?

   • AUse both the trap from the script and the regular poll to ensure redundancy.
   • BDisable the poll and rely solely on the trap from the script.
   • CHave the script write the status to a file that the NMS can read.
   • DIncrease the trap retransmission count to ensure the trap is delivered.
   Reveal Solution Discussion Select an answer first
4. 13foundation · easy

   What triggers the execution of an SNMP script on a Junos device?

   • AA CLI command that manually executes the script
   • BA system event such as an interface going down
   • CAn SNMP GET or GETNEXT request for an OID that is registered to the script
   • DA timer that runs the script at a configured interval
   Reveal Solution Discussion Select an answer first
5. 14foundation · easy

   In which Junos environment do SNMP scripts execute?

   • AIn the same process as the SNMP agent
   • BIn a separate virtual machine on the device
   • COn an external server that communicates with the device via NETCONF
   • DIn the management plane only, without access to the data plane
   Reveal Solution Discussion Select an answer first