Which of the following is a protocol used to query databases that contain information about the owners of Internet resources such as domain names, IP address blocks, and autonomous system numbers?
A. SMTP
B. DDNS
C. DMVPN
D. WHOIS
D
Explanation: WhOIS is a protocol used to query databases that contain information about the owners of Internet resources such as domain names, IP address blocks, and autonomous system (AS) numbers ( used to identify private BGP networks on the Internet). This information provides a treasure trove of information that can enhance the attack of a network.
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Critical Thinking Questions ? As another one of his responsibilities, George captures information from clients about attacks they have borne and from their description, he identifies the kind of attack they have experienced.? ?Another of George's clients describes a situation in which a caller to their service desk pretended to be a legitimate user and requested that his password to his company account be changed. How does George categorize this incident?
A. ?Social engineering B. ?Mail bombing C. ?Spoofing D. ?Privilege escalation
One way to delete a note is to click immediately to the left of the note reference mark in the document text and then press the ____ key twice.
A. BACKSPACE B. DELETE C. ESC D. F3