200-101 Question #101: Real Exam Question with Answer & Explanation

The correct answer is A: Message Integrity. SNMPv3 was designed to address the major security weaknesses of SNMPv1 and SNMPv2, which relied on plaintext community strings. The three security features SNMPv3 introduced are: Message Integrity (A) - uses HMAC to ensure messages are not altered in transit; Authentication (C) -

Question

Which three features are added in SNMPv3 over SNMPv2?

Options

AMessage Integrity
BCompression
CAuthentication
DEncryption
EError Detection

Explanation

SNMPv3 was designed to address the major security weaknesses of SNMPv1 and SNMPv2, which relied on plaintext community strings. The three security features SNMPv3 introduced are: Message Integrity (A) - uses HMAC to ensure messages are not altered in transit; Authentication (C) - verifies the identity of the sender using HMAC-MD5 or HMAC-SHA; and Encryption (D) - protects the confidentiality of message contents using DES or AES. Compression (B) is not an SNMP feature. Error Detection (E) was already present in earlier versions as part of basic protocol operation and is not a distinguishing SNMPv3 addition.

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