Exam 312-50v13 topic 1 question 224 discussion

Actual exam question from ECCouncil's 312-50v13

Question #: 224
Topic #: 1

An ethical hacker is preparing to scan a network to identify live systems. To increase the efficiency and accuracy of his scans, he is considering several different host discovery techniques. He expects several unused IP addresses at any given time, specifically within the private address range of the LAN, but he also anticipates the presence of restrictive firewalls that may conceal active devices. Which scanning method would be most effective in this situation?

A. ICMP ECHO Ping Sweep
B. ICMP Timestamp Ping
C. TCP SYN Ping
D. ARP Ping Scan

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Suggested Answer: D 🗳️

by NikoTomas at March 26, 2025, 7:21 p.m.

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NikoTomas

1 week, 1 day ago

Selected Answer: C

Correct: C - TCP SYN "ping" Incorrect answers: A) Ping sweep would be fine inside LAN but its worse when getting throught firewalls (mentioned in question) B) Same as A) but even worse - it's less probable that ICMP Timestamp requests will be allowed through FW than ICMP Echo in A). D) ARP can't traverse behind FW, it's pure LAN protocol between L2/L3 layers, can't be routed out of LAN

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Exam 312-50v13 topic 1 question 224 discussion

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NikoTomas

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