NETWORK MANAGEMENT
SNMP
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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O SNMPv2 original
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User-Based SNMPv2
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Community-Based SNMPv2
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SNMPv2 based encryption
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Detailed explanation-1: -SNMPv2c. This revised version includes enhanced protocol packet types, transport mappings, and MIB structure elements. But it also uses the existing SNMPv1 administration structure, which is “community-based, ‘’ hence the version name SNMPv2c. It is defined in RFC 1901, RFC 1905, and RFC 1906.
Detailed explanation-2: -SNMPv1. The original version of SNMP, referred to as SNMPv1, has critical security and performance limitations. SNMPv1 provides authentication, which is based on a password (community string).
Detailed explanation-3: -Main difference between SNMP v2 and SNMP v3 are the enhancements to the security and remote configuration model. SNMP v3 adds cryptographic security to SNMP v2. SNMP v3 replaces the simple password sharing (as clear text) in SNMP v2 with a much more secure encoded security parameters.