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GIAC GCCC Exam - Topic 3 Question 83 Discussion

What is the relationship between a service and its associated port?
D) A service opens the port and listens for network traffic
A) A service closes a port after a period of inactivity
B) A service relies on the port to select the protocol
C) A service sets limits on the volume of traffic sent through the port

GIAC GCCC Exam - Topic 3 Question 83 Discussion

Actual exam question for GIAC's GCCC exam
Question #: 83
Topic #: 3
[All GCCC Questions]

What is the relationship between a service and its associated port?

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Suggested Answer: D

by Janna at Apr 01, 2026, 10:36 AM

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Jeffrey
1 month ago
B could work too. The port helps choose the protocol. But D feels more accurate.
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Jesus
1 month ago
I agree, D makes sense. Ports are for listening!
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Pearline
1 month ago
I think D is the best answer. A service opens the port and listens.
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Cortney
2 months ago
C is just wrong, services don't limit traffic like that.
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Shanda
2 months ago
B is misleading, the port doesn't select the protocol.
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Monte
2 months ago
Wait, can a service really close a port? Sounds weird.
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Azzie
4 months ago
Totally agree, D is the right answer!
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Junita
4 months ago
A service opens the port and listens for network traffic.
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Murray
4 months ago
I definitely recall that a service opens a port to listen for traffic, but I wonder if there are other aspects we should consider too.
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Gregoria
5 months ago
I’m a bit confused; I thought services could close ports after inactivity, but that might not be the main relationship.
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Valene
5 months ago
I remember something about services and ports from practice questions, and I feel like the service relies on the port to select the protocol.
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Reyes
5 months ago
I think a service opens the port and listens for network traffic, but I'm not entirely sure if that's the only function it has.
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