EC-Council
EC0-350 · Question #776
You may be able to identify the IP addresses and machine names for the firewall, and the names of internal mail servers by:
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Question
You may be able to identify the IP addresses and machine names for the firewall, and the names of internal mail servers by:
Options
- ASending a mail message to a valid address on the target network, and examining the header information
- BExamining the SMTP header information generated by using the -mx command parameter of DIG
- CExamining the SMTP header information generated in response to an e-mail message sent to an
- DSending a mail message to an invalid address on the target network, and examining the header
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