GAQM CPEH-001 Exam - Topic 6 Question 128 Discussion

Actual exam question for GAQM's CPEH-001 exam

Question #: 128
Topic #: 6

[All CPEH-001 Questions]

What port scanning method is the most reliable but also the most detectable?

ANull Scanning

BConnect Scanning

CICMP Scanning

DIdlescan Scanning

EHalf Scanning

FVerbose Scanning

Show Suggested Answer

Suggested Answer: B

A TCP Connect scan, named after the Unix connect() system call is the most accurate scanning method. If a port is open the operating system completes the TCP three-way handshake, and the port scanner immediately closes the connection.

by Rusty at Jun 20, 2026, 11:11 AM

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Grover

3 days ago

I've always thought ICMP Scanning was pretty sneaky.

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Donette

8 days ago

Wait, isn't Half Scanning more reliable?

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Shantell

13 days ago

Totally agree, it's super detectable though!

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Casie

18 days ago

Connect Scanning is the most reliable.

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Reuben

24 days ago

I’m leaning towards Connect Scanning as well, but I’m a bit uncertain about the detection aspect compared to the others listed.

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Oretha

29 days ago

I feel like I saw a question similar to this in our last practice exam, and Connect Scanning was the answer there too, but I could be mixing it up.

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Cordelia

1 month ago

I remember practicing with different scanning methods, and Connect Scanning stood out as being straightforward but also quite noticeable.

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Rosann

1 month ago

I think Connect Scanning is the most reliable because it establishes a full connection, but I'm not entirely sure if it's the most detectable.

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