A technician wants to securely collect network device configurations and statistics through a scheduled
and automated process. Which of the following should be implemented if configuration integrity is most
important and a credential compromise should not allow interactive logons?

A.
SNMPv3

B.
TFTP

C.
SSH

D.
TLS

Explanation:
SNMPv3 provides the following security features:
Message integrity–Ensures that a packet has not been tampered with in transit.
Authentication–Determines that the message is from a valid source.
Encryption–Scrambles the content of a packet to prevent it from being learned by an unauthorized
source.Incorrect Answers:
B: Trivial File Transfer Protocol (TFTP) is a simple file-exchange protocol that doesn’t require
authentication.
C: Secure Shell (SSH) is a cryptographic network protocol for securing data communication.
D: Transport Layer Security (TLS) is a cryptographic protocol designed to provide communications security
over a computer network.

http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/snmp/configuration/xe-3se/3850/snmp-xe-3se-3850-
book/nm-snmp-snmpv3.html#GUID-C3D348A6-A00C-4010-B91C-22CEEDB7BD1C
Stewart, James Michael, CompTIA Security+ Review Guide, Sybex, Indianapolis, 2014, pp. 42, 44, 50