2
Identify the major difference between SNMPv3 and SNMPv2.
EXPLANATION
Network Protocols , Routing, Firewalls & Netw
- Evolution from SNMPv2 to SNMPv3:
- Simple Network Management Protocol versions 1 and 2 relied on unencrypted, plain-text community strings (
public,private), creating severe security vulnerabilities. - The primary architectural enhancement introduced in SNMPv3 is Enhanced Security:
- User-based Security Model (USM) providing message integrity, authentication (HMAC-SHA/MD5), and encryption/privacy (AES/DES).
- View-based Access Control Model (VACM) providing granular administrative access controls.
- Conclusion: Enhanced Security (Option 4).
Correct option: (4) Enhanced Security
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