Bill is a network administrator. He wants to eliminate unencrypted traffic inside his company’s network. He decides to s

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Bill is a network administrator. He wants to eliminate unencrypted traffic inside his company’s network. He decides to setup a SPAN port and capture all traffic to the datacenter. He immediately discovers unencrypted traffic in port UDP 161.
What protocol is this port using and how can he secure that traffic?

A. RPC and the best practice is to disable RPC completely.
B. SNMP and he should change it to SNMP V3.
C. SNMP and he should change it to SNMP V2, which is encrypted.
D. It is not necessary to perform any actions, as SNMP is not carrying important information.