When trying to subscribe to an MQTT broker on the internet, the MQTT client is on a private subnet and must be NATed to reach the public broker.
What is the expected outcome when this configuration is in place?
A. The client periodically reconnects to the default gateway.
B. The client connects only once using the PENDING message to the broker.
C. The client periodically reconnects to the broker over the NAT connection.
D. The client connects only once using the CONNECT massage to the broker.
Refer to the exhibit. While troubleshooting an error on an application descriptor for a Docker app in Cisco IOx (package.yaml), the app type appears to be missing. Which app type must be added to the snippet to resolve the issue?
A. paas
B. docker-vm
C. docker
D. docker-app
A network is being configured for an Ethernet-connected sensor. The sensor fails to send data to the configured destination. The IP address of the sensor can be pinged from a laptop on the same subnet. When a different subnet is used, the sensor cannot be reached, but other clients on the same subnet are still accessible.
What are two reasons for the connectivity problem? (Choose two.)
A. wrong DNS server on the sensor
B. wrong subnet mask on your laptop
C. wrong default gateway on the sensor
D. wrong default gateway on your laptop
E. wrong subnet mask on the sensor
After an application is deployed, potential issues arise around connectivity. As part of the troubleshooting process, the IP address must be determined to ensure end-to-end communication.
Which method provides the required details using the Cisco IOx CLI?
A. ioxclient application status
B. ioxclient application metrics
C. ioxclient application getconfig
D. ioxclient application info
Which two commands inside a Docker container on a gateway help to troubleshoot why the compute performance of the device is slowing down? (Choose two.)
A. show processes
B. top
C. wmic
D. ps
E. proc
Refer to the exhibit. A new application has just been developed as a Docker container. What is the missing step for packaging the container ready for deployment in IOx?
A. Pull/push the image to the Docker registry.
B. Build the package.yaml files.
C. Build the package.cert file to sign the app.
D. Log in to device manager and load the application.
Refer to the exhibit. Based on the MQTT client output, which action should be taken so that the connection to the broker can be established?
A. Change the username/password.
B. Open port 1883 on the network firewall.
C. Change the IP address of the broker.
D. Add the certificate.
Refer to the exhibit. Which protocol is used to make a FlexVPN connection from a Cisco IR829 router to a headend router?
A. SSL
B. IKEv2
C. NAT
D. IS-IS
Which two security approaches help build a strong authentication scheme? (Choose two.)
A. connection based on location
B. session IDs accepted only from cookies
C. maximum allowed connections
D. user logout
E. session logout because of inactivity
Refer to the exhibit. Approximately 4000 oil platforms, each with 400 sensors, are spread in the Gulf of Mexico and all of their data must come together into one dashboard. Which general architecture should be selected to connect them?
A. 4-tier: sensor ?edge device (Intel Atom CPU) ?fog device (Intel Xeon CPU) ?cloud
B. 5-tier: intelligent sensor?edge device (Intel Atom CPU) ?fog device (Intel Xeon CPU) ?edge data center (Intel Xeon CPU)
C. 2-tier: intelligent sensor ?cloud
D. 3-tier: sensor ?edge device (Intel Atom CPU) ?cloud