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Exam SEC504 topic 1 question 31 discussion

Actual exam question from SANS's SEC504
Question #: 31
Topic #: 1
[All SEC504 Questions]

Which of the following commands can be used for port scanning?

  • A. nc -t
  • B. nc -z
  • C. nc -w
  • D. nc -g
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Suggested Answer: B 🗳️

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anonyuser
2 months, 3 weeks ago
The -z flag is commonly used with the nc (netcat) command for port scanning. When used in combination with the -v (verbose) option, it can be used to check the status of a port on a remote host without actually sending any data.
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ExamCheat
11 months, 1 week ago
The command that can be used for port scanning is: B. nc -z Explanation: The -z option in the nc (netcat) command is used for port scanning. When used with the nc command, the -z flag instructs nc to scan for open ports without initiating a connection. It sends a TCP or UDP probe to the specified target host and port to check if the port is open or closed. The response received from the target helps determine the state of the port. For example, to scan for open ports on a target host using nc -z, the command syntax would be: nc -z <target_host> <start_port>-<end_port> ChatGPT
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ExamCheat
11 months, 1 week ago
nc -v -w3 -z targetIP startport-endport TCP and UDP port scanning ⦁ Linear scans (default) or random scans (with the -r option) ⦁ -z option for minimal data to be sent ⦁ -v tells us when a connection is made (crucial info for a port scanner) ⦁ -w3 means wait no more than 3 seconds on each port ⦁ Can scan from any source port and source routing supported ⦁ We can go further, connecting to various ports, entering data, and recording the response
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