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Exam 312-50 topic 3 question 7 discussion

Actual exam question from ECCouncil's 312-50
Question #: 7
Topic #: 3
[All 312-50 Questions]

A circuit level gateway works at which of the following layers of the OSI Model?

  • A. Layer 5 - Application
  • B. Layer 4 – TCP
  • C. Layer 3 – Internet protocol
  • D. Layer 2 – Data link
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️
by Atome at Jan. 10, 2020, 9:04 a.m.

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Atome
Highly Voted 5 years, 4 months ago
Circuit level gateways work at the session layer 5 of the OSI model
upvoted 7 times
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a4687eb
Most Recent 10 months ago
Circuit level gateway firewall works in Sesion Level of OSI models and there si no answer matching to this. From the TPC/IP perspective this is transport layer
upvoted 1 times
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YEh007
1 year ago
Selected Answer: B
A circuit-level gateway operates at the transport layer (Layer 4) of the OSI model. It works by monitoring the TCP handshaking between packets to determine whether a requested session is legitimate.
upvoted 1 times
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Pragdeashwar
1 year, 1 month ago
Layer 4 - TCP, Official courseware page 1629
upvoted 1 times
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DEE29
1 year, 7 months ago
Glad to see I was not the only one who was thrown for a loop by this question. Session layer, layer 5 of the OSI model -- Circuit level gateway.
upvoted 1 times
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AlbertDenmark
2 years ago
Layer 4 is called TRANSPORT, not TCP. So the question, or actually the correct answer is misleading.
upvoted 2 times
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zahidchaudhary
3 years, 4 months ago
Selected Answer: A
Circuit level gateways work at the session layer 5 of the OSI model
upvoted 4 times
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zahidchaudhary
3 years, 4 months ago
Selected Answer: B
Circuit level gateways work at the session layer 5 of the OSI model
upvoted 1 times
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simron
3 years, 6 months ago
Circuit-level gateways works between the application layer and the transport layer of the OSI model but its main work is to monitor TCP handshaking between packets to determine whether a requested session is legitimate. Hence Layer 4 is the most closet option.
upvoted 1 times
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tall_girrafe
4 years, 5 months ago
To get this right, research on the difference /similarities between the TCP/IP and OSI models. The Transport layer translates to layer 4 of OSI model
upvoted 1 times
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bleepbl0p
4 years, 5 months ago
The correct answer is B, a simple google search implies Layer 4 of the OSI model is the transport layer. Please research before posting.
upvoted 2 times
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davideselvaggi
4 years, 7 months ago
layer 5 is not Application
upvoted 2 times
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brider
5 years, 1 month ago
Session layer 5
upvoted 4 times
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phmb14
5 years, 2 months ago
Answer A
upvoted 2 times
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