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HP HP2-Z31 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Software-Defined Networking (SDN) Fundamentals | - Benefits and use cases of SDN - Separation of control and data planes - SDN concepts and architecture |
| HPE SDN Solution Architecture | - Network application ecosystem - HPE SDN controller overview - Integration with HPE networking products |
| SDN Deployment and Operations | - Security considerations in SDN environments - Deployment models and architectures - Monitoring and troubleshooting SDN networks |
| Protocols and Technologies | - OpenFlow fundamentals - APIs and programmability |
HP Creating HP Software-defined Networks Sample Questions:
1. An HP Provision switch loses its OpenFlow connection to the HP VAN SDN Controller. How is traffic processed by default if no controller teaming is configured?
A) Packets and messages destined to the controller are dropped. Flows continue to expire according to their time-outs. This is because the default setting on HP Provision switches is fail-secure.
B) Packets and messages of new flows behave as a legacy switch or router would. Existing flows of this OpenFlow instance are removed. This is because the default setting on HP Provision switches is fail-standalone.
C) Packets and messages of new flows behave as a legacy switch or router would. Existing flows of this OpenFlow instance are removed. This is because the default setting on HP Provision switches is fail-secure.
D) Packets and messages destined to the controller are dropped. Flows continue to expire according to their time-outs. This is because the default setting on HP Provision switches is fail-standalone.
2. Which components are used to identify a flow entry in OpenFlow 1.0?
A) Action and Priority
B) Action and Index
C) Match and Index
D) Match and Priority
3. 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 set not to age out, and the classified traffic is still redirected.
B) Based on the timeout values, the flow entries are removed from the flow tables, and all traffic is discarded on the switches.
C) All flow entries are removed, and traffic is forwarded using normal switch processing.
D) Based on the timeout values, the flow entries age out, and only OpenFlow traffic is discarded
4. What are the OpenFlow flow entry timeout values? (Select two.)
A) Controller timeout
B) Flow timeout
C) Idle timeout
D) Hard timeout
E) Soft timeout
5. A network environment consists of multiple switches. Some of the switches are configured for OpenFlow 1.0, and some of the switches are configured for OpenFlow 1.3. These switches are configured to communicate with an HP VAN SDN Controller. What is the result of the negotiation?
A) OpenFlow 1.3 switches negotiate to use OpenFlow 1.3, and OpenFlow 1.0 switches negotiate to use OpenFlow 1.0.
B) OpenFlow 1.3 switches successfully negotiate to use OpenFlow 1.3 with the controller, and the OpenFlow 1.0 switches fail to connect
C) All switches negotiate to use OpenFlow 1.0 as the highest common version.
D) All OpenFlow switches successfully negotiate to use OpenFlow 1.3 with the controller, and OpenFlow 1.0 switches ignore OpenFlow 1.3 extensions.
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: D | Question # 3 Answer: C | Question # 4 Answer: C,D | Question # 5 Answer: A |
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