Cisco Exam 300-915 Topic 19 Question 64 Discussion

Actual exam question for Cisco's 300-915 exam

Question #: 64
Topic #: 19

Mosquitto was installed correctly on the Cisco IR829 router as a Cisco IOx application. When the sensor is connected to the broker on the Cisco IR829 router with the default port, the connection is refused (Error Code 5).

Which action should be done to resolve the issue?

AInsert in the IOS config: ip nat inside source static tcp <CAF IP> 1883 interface GigabitEthernet0 1883

BInsert in the package_config.ini file under section ports: tcp: ['8883']

CUse the correct username and password.

DInsert in the package.yaml file under section ports: tcp: ['1883']

Show Suggested Answer

Suggested Answer: C

by Maryrose at May 23, 2024, 08:56 AM

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7 months ago

Haha, C is definitely a trap answer. Who uses usernames and passwords these days? I bet the real issue is with the ports. Let's go with B and see if that fixes it.

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Rueben

6 months ago

Yeah, let's try option B and see if that solves the issue.

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Tequila

6 months ago

I agree, C does seem like a trap answer.

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Edelmira

7 months ago

Nah, I don't think that's it. The question says the connection is being refused, so it's probably a port forwarding issue. Let's go with A and try to map the port directly in the IOS config.

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Celestina

7 months ago

Hmm, I think the answer is D. Seems like the default port for Mosquitto is 1883, so we should update the package.yaml file to reflect that.

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Fausto

6 months ago

D) Insert in the package.yaml file under section ports: tcp: ["1883"]

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Evangelina

6 months ago

A) Insert in the IOS config: ip nat inside source static tcp 1883 interface GigabitEthernet0 1883

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