Comprehensive and Detailed Explanation:
To monitorserver availability,SNMP trapsare the best choice. SNMP (Simple Network Management Protocol) allows devices to send alerts (traps) when certain conditions are met, such as server downtime or high resource usage.
Breakdown of Options:
* A. Packet capture- Capturing packets provides insights into network traffic but doesnot actively monitor server availability.
* B. Data usage reports- Theseanalyze network traffic consumptionbut do not indicate whether a server is available or not.
* C. SNMP traps-Correct answer.SNMP traps notify administrators of server issues inreal time.
* D. Configuration monitoring- This tracksconfiguration changesrather than availability.