Q42 Single choice Mark for later How is DNS tunneling used to exfiltrate data out of a corporate network? A It corrupts DNS servers by replacing the actual IP address with a rogue address to collect information or start other attacks. B It encodes the payload with random characters that are broken into short strings and the DNS server rebuilds the exfiltrated data. C It redirects DNS requests to a malicious server used to steal user credentials, which allows further damage and theft on the network. D It leverages the DNS server by permitting recursive lookups to spread the attack to other DNS servers. Correct answer