________is an automated vulnerability assessment tool?
Answer(s): C
Nessus is a vulnerability assessment tool.
What is the disadvantage of an automated vulnerability assessment tool?
Answer(s): E
Vulnerability assessment tools perform a good analysis of system vulnerabilities; however, they are noisy and will quickly trip IDS systems.
What are two things that are possible when scanning UDP ports? (Choose two.
Answer(s): B,E
Closed UDP ports can return an ICMP type 3 code 3 message. No response can mean the port is open or the packet was silently dropped.
What does a type 3 code 13 represent? (Choose two).
Answer(s): B,D
Type 3 code 13 is destination unreachable administratively prohibited. This type of message is typically returned from a device blocking a port.
Destination unreachable administratively prohibited messages can inform the hacker to what?
Answer(s): D
Destination unreachable administratively prohibited messages are a good way to discover that a router or other low-level packet device is filtering traffic. Analysis of the ICMP message will reveal the IP address of the blocking device and the filtered port. This further adds the to the network map and information being discovered about the network and hosts.
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