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Palo Alto Networks PCCET Exam - Topic 7 Question 87 Discussion

Actual exam question for Palo Alto Networks's PCCET exam
Question #: 87
Topic #: 7
[All PCCET Questions]

Which technique changes protocols at random during a session?

Show Suggested Answer Hide Answer
Suggested Answer: B

Port hopping is a technique that changes protocols at random during a session to evade detection and analysis by security devices. Port hopping can be used by malware or attackers to communicate with command and control servers or to exfiltrate data. Port hopping makes it difficult to identify and block malicious traffic based on port numbers or signatures.Reference:Port Hopping,Ports Used for Management Functions,Adding a Custom Application/Ports to Security Policy


by Levi at Jul 30, 2025, 11:28 AM

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Dong
2 months ago
Wait, is port hopping really that effective?
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Virgie
2 months ago
Definitely B, it changes protocols randomly.
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Amber
3 months ago
Hiding within SSL encryption seems more secure, though.
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Matt
3 months ago
I thought it was A at first, but B makes more sense.
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Junita
3 months ago
Port hopping is the right answer!
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Erick
3 months ago
I’m leaning towards port hopping too, but I wish I had reviewed that section more thoroughly before the exam.
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Golda
4 months ago
I feel like tunneling within commonly used services could be related, but it doesn't specifically mention changing protocols.
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Thad
4 months ago
I remember something about using non-standard ports, but that doesn't really seem like it changes protocols randomly.
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Laine
4 months ago
I think the answer might be port hopping, but I'm not entirely sure. It sounds familiar from our practice questions.
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Dallas
4 months ago
I'm a little confused by this question. Does it mean changing the actual protocol, like from HTTP to FTP? Or just changing the ports used? I'm leaning towards B, but I want to make sure I understand it correctly.
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Erinn
4 months ago
B seems like the most likely answer to me. Changing protocols at random during a session is exactly what port hopping does. I feel pretty good about that one.
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Lemuel
5 months ago
Hmm, I'm not sure about this one. I was thinking maybe D - tunneling within commonly used services, but I'm not totally confident. I'll have to think it through a bit more.
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Glennis
5 months ago
I think the answer is B - port hopping. That technique changes the ports used during a session to avoid detection.
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Florinda
5 months ago
I agree with Dannie, port hopping makes sense for changing protocols at random.
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Dannie
6 months ago
I think the answer is B) port hopping.
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Richelle
7 months ago
Ooh, C) hiding within SSL encryption. That's like a secret spy mission, right? I'm in!
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Lang
7 months ago
A) non-standard ports? Nah, that's too easy to spot. Gotta go with the classic B) port hopping.
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Lewis
5 months ago
B) port hopping
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Frederick
7 months ago
D) tunneling within commonly used services sounds sneaky. I like it!
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Donte
7 months ago
I think B) port hopping is the way to go. Keeps the bad guys on their toes!
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Ilene
5 months ago
Tunneling within commonly used services can also be effective in changing protocols.
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Yoko
5 months ago
I think hiding within SSL encryption is also a good way to stay secure.
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Vallie
6 months ago
I agree, port hopping is a great technique to keep the bad guys guessing.
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