Network Security Quiz: DNS Tunneling and Traffic Capture
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Questions and Answers

What protocol is associated with port UDP 161 and how can Bill secure the traffic using this protocol?

  • SNMP and he should change it to SNMP V2, which is encrypted
  • It is not necessary to perform any actions, as SNMP is not carrying important information
  • RPC and the best practice is to disable RPC completely
  • SNMP and he should change it to SNMP V3 (correct)

    • What port should Robin run the NSTX tool to bypass the firewalls using the DNS tunneling method?

  • Port 80
  • Port 53 (correct)
  • Port 23
  • Port 50

    • What short-range wireless communication technology did George employ for transferring sensitive data between industrial systems?

  • LPWAN
  • NB-IoT
  • MQTT
  • Zigbee (correct)

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