The IT administrator at a global banking organization is responsible for implementing Simple Network Management Protocol $($SNMP$)$ security measures in the organization's network infrastructure. Which of the following actions should the administrator take to ensure the secure use of SNMP$?$

a$.$

Set up SNMP agents to send community names in plaintext for ease of communication.

b$.$

Utilize SNMP v$3$ with a strong user base authentication and encryption for secure monitoring.

c$.$

Leave the SNMP community name blank or use default names to prevent unauthorized access.

d$.$

Use SNMP v$1$ or v$2$ since SNMP v$3$ is more complex and difficult to configure.