A technician wants to send management information from devices on the network to a central server and have it encrypted in the process. Which of the following protocols can be used?

The correct answer is A. SNMPv3. SNMPv3 (Simple Network Management Protocol version 3) added security features missing from SNMPv1 and SNMPv2, specifically authentication (using HMAC-MD5 or HMAC-SHA) and encryption (using AES or DES) for management traffic sent to a central NMS (Network Management System) or…

Network operations

Question

Options

ASNMPv3
BFTP
CTFTP
DTelnet

How the community answered

(62 responses)

A
94% (58)
B
2% (1)
C
2% (1)
D
3% (2)

Explanation

SNMPv3 (Simple Network Management Protocol version 3) added security features missing from SNMPv1 and SNMPv2, specifically authentication (using HMAC-MD5 or HMAC-SHA) and encryption (using AES or DES) for management traffic sent to a central NMS (Network Management System) or SNMP server. FTP transfers files but sends data in cleartext. TFTP is a simplified file transfer protocol with no authentication or encryption. Telnet provides remote terminal access but also sends all data in cleartext. SNMPv3 is the only option here designed for encrypted network device management traffic.

Topics

#SNMPv3#network management#encryption#SNMP

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