Free 312-50 Exam Braindumps (page: 36)

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One of your team members has asked you to analyze the following SOA record. What is the version?
Rutgers.edu.SOA NS1.Rutgers.edu ipad.college.edu (200302028 3600 3600 604800 2400.

  1. 200303028
  2. 3600
  3. 604800
  4. 2400
  5. 60
  6. 4800

Answer(s): A

Explanation:

The SOA starts with the format of YYYYMMDDVV where VV is the version.



MX record priority increases as the number increases.(True/False.

  1. True
  2. False

Answer(s): B

Explanation:

The highest priority MX record has the lowest number.



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

Explanation:

There are a number of tools that can be used to perform a zone transfer. Some of these include: NSLookup, Host, Dig, and Sam Spade.



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

Explanation:

Understanding DNS is critical to meeting the requirements of the CEH. When the serial number that is within the SOA record of the primary server is higher than the Serial number within the SOA record of the secondary DNS server, a zone transfer will take place.






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