The correct statements regarding SNMP are:
-
SNMPv3 provides the best security of the three versions.
- SNMPv3 includes features for authentication, privacy, and integrity, offering significantly better security compared to SNMPv1 and SNMPv2c.
-
SNMPv2c offers more security than SNMPv1.
- While SNMPv2c includes some improvements over SNMPv1, it does not implement any security features. However, in general terms, it is considered an improvement in functionality, but not in security. This statement is somewhat misleading because the added security measures are actually found in SNMPv3, not in v2c.
Based on the options provided, the best two choices regarding SNMP would be:
- SNMPv3 provides the best security of the three versions.
However, if you need to strictly follow the answers aligning with SNMP's security progression and considering the misleading nature of the second statement, it might be better to avoid selecting that one at all.
In conclusion, the most accurate and safe choice would be:
- SNMPv3 provides the best security of the three versions.
Regarding the other options:
- SNMPv2c introduced the INFORM operation. (This statement is true.)
- SNMPv3 uses TCP and introduced the GETBULK operation. (GETBULK is indeed part of SNMPv2 but SNMP generally uses UDP, though agents can potentially also use TCP in some implementations.)
Therefore, the best answers are:
- SNMPv2c introduced the INFORM operation.
- SNMPv3 provides the best security of the three versions.
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