TCP Protocol States Quiz
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Questions and Answers

Which digit in the TCP protocol state represents the server-side state?

  • Third digit
  • Second digit
  • Fourth digit
  • First digit (correct)

    • What is the value of the TCP state CLOSE_WAIT?

  • 7 (correct)
  • 1
  • 9
  • 0

    • When does the TCP state value change to 1?

  • When FortiGate receives the SYN packet
  • When FortiGate receives the SYN-Ack packet
  • After the three-way handshake (correct)
  • When a session is closed by both sides

    • What is the value of the TCP state FIN_WAIT?

    <p>4</p> Signup and view all the answers

    Which digit in the TCP protocol state represents the client-side state?

    <p>Second digit</p> Signup and view all the answers

    What is the value of the TCP state LISTEN?

    <p>9</p> Signup and view all the answers

    When does the TCP state value change to 5?

    <p>When a session is closed by both sides</p> Signup and view all the answers

    What is the value of the TCP state ESTABLISHED?

    <p>1</p> Signup and view all the answers

    When does the TCP state value change to 3?

    <p>When FortiGate receives the SYN-Ack packet</p> Signup and view all the answers

    What is the value of the TCP state TIME_WAIT?

    <p>5</p> Signup and view all the answers

    Which protocol has no state and the protocol state is always 00?

    <p>ICMP</p> Signup and view all the answers

    What are the two session state values used by FortiGate for UDP traffic?

    <p>0 and 1</p> Signup and view all the answers

    What does the 'log' session flag indicate?

    <p>Session is being logged</p> Signup and view all the answers

    What happens to may_dirty sessions after a change in the firewall policy configuration?

    <p>They are removed from the session table</p> Signup and view all the answers

    What is the default global session handling setting?

    <p>check-all</p> Signup and view all the answers

    What does the 'local' session flag indicate?

    <p>Session originates from FortiGate or terminates on FortiGate</p> Signup and view all the answers

    What happens to a session with the 'block' flag?

    <p>It is dropped</p> Signup and view all the answers

    What are the possible values for the session state of UDP traffic?

    <p>00 and 01</p> Signup and view all the answers

    What does the 'npu' session flag indicate?

    <p>Session can be offloaded to NPU</p> Signup and view all the answers

    What happens to a session if it must be blocked?

    <p>It is flagged as block</p> Signup and view all the answers

    Which option is the default setting for the check-policy-option in FortiGate session handling?

    <p>check-all</p> Signup and view all the answers

    What is the purpose of the check-new option in FortiGate session handling?

    <p>To evaluate new sessions against modified policies</p> Signup and view all the answers

    What is the most resource-intensive behavior in FortiGate session handling?

    <p>check-all</p> Signup and view all the answers

    When can you use the check-policy-option in FortiGate session handling?

    <p>To handle sessions on a per-policy-level</p> Signup and view all the answers

    What does the firewall-session-dirty option do in FortiGate session handling?

    <p>Removes policy information from affected sessions</p> Signup and view all the answers

    Which setting is global in FortiGate session handling?

    <p>check-all</p> Signup and view all the answers

    What happens when you enable the check-new option in FortiGate session handling?

    <p>New sessions are evaluated against modified policies</p> Signup and view all the answers

    When can you use the CLI commands to modify FortiGate session handling behavior?

    <p>After policy changes</p> Signup and view all the answers

    What is the purpose of the check-all option in FortiGate session handling?

    <p>To modify existing sessions after a policy change</p> Signup and view all the answers

    What is the most granular setting you can use in FortiGate session handling?

    <p>config firewall policy</p> Signup and view all the answers

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