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?

AA service closes a port after a period of inactivity

BA service relies on the port to select the protocol

CA service sets limits on the volume of traffic sent through the port

DA service opens the port and listens for network traffic

Show Suggested Answer

Suggested Answer: D

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

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22 days ago

Totally agree, D is the right answer!

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27 days ago

A service opens the port and listens for network traffic.

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2 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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2 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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2 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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2 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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