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HP Creating HP Software-defined Networks Sample Questions:

1. A controller is able to register for asynchronous messages from an OpenFlow switch, but when the controller attempts a flow_mod. the OpenFlow command is rejected. Which mode is the controller in from the switch point of view?

A) Master
B) Slave
C) Equal
D) Leader

2. Refer to the exhibit.

What is the status of the Network Protector Application in the exhibit?

A) The application has been uploaded to the controller and can now be installed.
B) The application is running and servicing requests.
C) Some aspect of the selected application could not be started, but other aspects are operating
D) The application is present, with all dependencies available, but is stopped and not servicing requests.

3. Refer to the exhibit.

A network administrator is trying to install a new internal application on the HP VAN SDN Controller and receives the error shown in the exhibit. Which valid options are available to ensure that the application is installed successfully? (Select two.)

A) Use the HP VAN SDN Controller software to digitally sign the application
B) Ensure the application is signed by a CA recognized by the HP VAN SDN Controller.
C) Modify the /opt/sdn/virgo/bin'dmk sh script and include this line: Dsdn.signedJar=none
D) Modify the /opt/sdn/virgo/configuration/serviceability .xml configuration file and include this line: Dsdn signedJar=none
E) Set up an internal CA server and digitally sign the application. This will be accepted by the HP VAN SDN Controller without further configuration.

4. Which mechanism provides authentication of API calls via the REST API within the HP VAN SDN Controller?

A) Openstack
B) Java
C) Openstack Keystone
D) RabbitMQ

5. A single HP VAN SDN Controller is used to control OpenFlow enabled switches that operate in virtualization mode. An internal application is installed on the controller that redirects classified traffic to a specific VLAN. The connection between the controller and the network is lost. The HP OpenFlow enabled switches' connection interruption mode is set to standalone mode.
What is the forwarding behavior of the OpenFlow enabled switches?

A) All flow entries are removed, and traffic is forwarded using normal switch processing.
B) Based on the timeout values, the flow entries age out, and only OpenFlow traffic is discarded
C) All flow entries are set not to age out, and the classified traffic is still redirected.
D) Based on the timeout values, the flow entries are removed from the flow tables, and all traffic is discarded on the switches.

Solutions: