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EC-Council: Computer Hacking Forensic Investigator(CHFI-V10)
Module 8 : Network Forensics
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Bookmark this Question		QID: 797
Simon is a former employee of Trinitron XML Inc. He feels he was wrongly terminated and wants to hack into his former company‘s network. Since Simon remembers some of the server names, he attempts to run the axfr and ixfr commands using DIG. What is Simon trying to accomplish here?
A:    Send DOS commands to crash the DNS servers
B:    Perform DNS poisoning
C:    Perform a zone transfer
D:    Enumerate all the users in the domain
Explanation: The dig (domain information groper) command is a flexible tool for interrogating DNS name servers. It performs DNS lookups and displays the answers that are returned from the queried name server(s). With AXFR, the entire zone will be transferred from the primary to the secondary provider, even if only one record changes. With IXFR, only the changes will be transferred.