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BCS Exam CTFL4 Topic 5 Question 1 Discussion

Actual exam question for BCS's CTFL4 exam

Question #: 1
Topic #: 5

[All CTFL4 Questions]

The following state transition diagram describes the functionality involved in a system using fingerprint and password authentication to log onto a system.

How many distinct states of the system are visible in the above diagram?

A1

B2

C3

D4

Show Suggested Answer

Suggested Answer: C

The state transition diagram provided shows three distinct states:

Waiting for fingerprint

Waiting for PIN

Valid PIN/ask menu selection

Each state represents a different stage in the system's operation, with transitions based on user actions and system responses.

by Marci at Jun 24, 2024, 12:29 AM

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Jame

9 months ago

Sure, let me explain. In the diagram, there are four separate states that the system can be in - initial, fingerprint authentication, password authentication, and logged in. So, I believe the answer is D) 4.

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Lorenza

9 months ago

Four states, huh? Looks like someone's been playing too much Tetris.

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Kanisha

9 months ago

Hmm, I see your point. Can you explain why you think there are four distinct states?

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Malcom

9 months ago

3 states? Nah, I'm going with 2. One for fingerprint, one for password. Simple as that.

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Lisha

8 months ago

Yes, it seems like the diagram only shows 2 states, one for fingerprint and one for password.

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Lisha

9 months ago

I agree, there are only 2 distinct states in the diagram.

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Ayesha

9 months ago

Wait, is that a fingerprint or a blob of jam? I can never tell the difference.

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Jame

9 months ago

I disagree, I believe the answer is D) 4 because there are four distinct states visible in the diagram.

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Lonny

9 months ago

I count 4 distinct states in the diagram. Easy peasy!

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Nadine

8 months ago

Yes, I'm sure. There are definitely 4 distinct states in the diagram.

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Pamella

8 months ago

I counted 3 states, are you sure about 4?

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Maia

8 months ago

I agree, I also counted 4 states.

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Myra

9 months ago

I think there are 4 distinct states in the diagram.

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Kanisha

10 months ago

I think the answer is C) 3 because there are three distinct states shown in the diagram.

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