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When checking a host's IPv4 settings, which step should follow checking the host's list of DNS servers?

A) Check the host's list of DNS server addresses against the actual addresses by the servers. B) Check the host's default router settings against the router's LAN interface configuration. C) Check the subnet mask used by the router and the host. D) Confirm the host and router are in the same subnet as the one implied by the ip address command.

Using which Social engineering principle might an attacker impersonate a CEO of a company?

A. Scarcity B. Authority C. Urgency D. Trust