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What is the proper response for a FIN scan if the port is open?

  1. SYN
  2. ACK
  3. FIN
  4. PSH
  5. RST
  6. No response

Answer(s): F

Explanation:

Open ports respond to a FIN scan by ignoring the packet in question. .



What is the proper response for a X-MAS scan if the port is closed?

  1. SYN
  2. ACK
  3. FIN
  4. PSH
  5. RST
  6. No response

Answer(s): E

Explanation:

Closed ports respond to a X-MAS scan with a RST.



What is the proper response for a X-MAS scan if the port is open?

  1. SYN
  2. ACK
  3. FIN
  4. PSH
  5. RST
  6. No response

Answer(s): F

Explanation:

Closed ports respond to a X-MAS scan by ignoring the packet.



What flags are set in a X-MAS scan?(Choose all that apply.

  1. SYN
  2. ACK
  3. FIN
  4. PSH
  5. RST
  6. URG

Answer(s): C,D,F

Explanation:

FIN, URG, and PSH are set high in the TCP packet for a X-MAS scan






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