Free 312-50v12 Exam Braindumps
Certified Ethical Hacker V12 Questions 111–115 (page: 24)

Updated On: 10-Feb-2026

Which of the following tools can be used to perform a zone transfer?

  1. NSLookup
  2. Finger
  3. Dig
  4. Sam Spade
  5. Host
  6. Netcat
  7. Neotrace

Answer(s): A,C,D,E



Under what conditions does a secondary name server request a zone transfer from a primary name server?

  1. When a primary SOA is higher that a secondary SOA
  2. When a secondary SOA is higher that a primary SOA
  3. When a primary name server has had its service restarted
  4. When a secondary name server has had its service restarted
  5. When the TTL falls to zero

Answer(s): A



What ports should be blocked on the firewall to prevent NetBIOS traffic from not coming through the firewall if your network is comprised of Windows NT, 2000, and XP?

  1. 110
  2. 135
  3. 139
  4. 161
  5. 445
  6. 1024

Answer(s): B,C,E



What is a NULL scan?

  1. A scan in which all flags are turned off
  2. A scan in which certain flags are off
  3. A scan in which all flags are on
  4. A scan in which the packet size is set to zero
  5. A scan with an illegal packet size

Answer(s): A



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

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

Answer(s): F



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