An administrator notices SMTP traffic is being blocked by the company firewall. Which of the following ports should be opened?
Answer(s): A
Which of the following uses types and codes rather than ports?
Answer(s): B
Which of the following network protocols is used to resolve FQDNs to IP addresses?
Jeff, a network technician, is concerned about the environmental effects of power consumption and heat from network resources. Limited space is also a concern. Which of the following technologies should be implemented?
Answer(s): D
A firewall that operates at Layer 7 of the OSI model is known as a(n):
Answer(s): C
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q252: dns poisoning is the correct answer, not locator redirection. beaconing is detected from a host. this indicates that the system has been infected with malware, which could be the source of local dns poisoning. location redirection works by either embedding the redirection in the original websites code or having a user click on a url that has an embedded redirect. since users at a different office are not getting redirected, it isnt an embedded redirection on the original website and since the user is manually typing in the url and not clicking a link, it isnt a modified link.
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question # 208: failure logs is not an example of operational metadata.
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