How do the three versions of the Simple Network Management Protocol differ?
What will be an ideal response?
ANSWER: Three versions of SNMP exist: SNMPv1, SNMPv2, and SNMPv3, as described below:
* SNMPv1 (Simple Network Management Protocol version 1)-This is the original version, released in 1988. Because of its limited features, it is rarely used on modern networks.
* SNMPv2 (Simple Network Management Protocol version 2)-This version improved on SNMPv1 with increased performance and slightly better security, among other features.
* SNMPv3 (Simple Network Management Protocol version 3)-This version is similar to SNMPv2, but adds authentication, validation, and encryption for messages exchanged between managed devices and the network management console.
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