EMT Practice Test

1. Question Content...

---

Question1: Which modes does the 2.0 release of the HP VAN SDN Controller support? (Select two.)

Question2: Which services does HP IMC SDN Manager provide? (Select two.)

Question3: Which HP VAN SDN Controller service processes ARP replies in Packetin messages sent by the OpenFlow switches?

Question4: Which OpenFlow message ensures that all previous flow mod messages have been processed by the OpenFlow switch agent and that there are no flow mod messages queued for processing from an earlier time?

Question5: A customer has a network consisting of 90 switches running OpenFlow 1.0. High Availability is not required as a hybrid network is being used. Which license types does the customer need to purchase? (Select two.)

Question6: What are advantages of using the HP Network Protector SDN application in a BYOD Network for Malware protection? (Select two.)

Question7: An administrator has created a whitelist entry for the website www.piratesmustdie.com. This has been applied to the test group, which contains VLANs 10-20. VLANs 1 - 20 are configured on switches in the network. A time range has been applied to the whitelist for the time period 9:00am to 5:00pm.
Which users would be able to access the website?

Question8: 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?

Question9: Which protocol does the LYNC FE Server Plugin use to communicate to the HP Network Optimizer SDN Application?

Question10: Which switches will initiate an QpenFlow connection to the HP VAN SDN Controller? (Select two.)

Question11: Refer to the exhibits.



What happens when the switch shown in the exhibit loses connectivity to the HP VAN SDN Controller?

Question12: Refer to the exhibit.

Mininet is being used by a developer to test an OpenFlow RESTful API application developed in Python.
The developer is able to view the switches in the OpenFlow topology diagram shown in the exhibit, but no hosts are displayed in the topology diagram. The same behavior is seen when making a RESTful API call for nodes via the RESTful API. Switch information is provided via API calls from the HP VAN SDN Controller, but no nodes are shown.
What is a possible issue?

Question13: Two HP OpenFlow switches are connected to an intermediate layer 2 switch running LLDP, but not OpenFlow. This intermediate switch is configured with a single VLAN. Which protocol is used by the OpenFlow switches to discover this multi-hop link?

Question14: Which OpenFlow version introduces multiple flow tables?

Question15: Which mechanism provides authentication of API calls via the REST API within the HP VAN SDN Controller?

Question16: An administrator has checked the Device Status tab on the HP Network Protector SDN application. An HP
3800-24G-2XG switch is displaying a yellow indicator for VLAN 10. What is a potential issue?

Question17: What are challenges when selecting traffic from UC&C soft devices for marking, in order to apply the appropriate prioritization? (Select two.)

Question18: Refer to the exhibit

A team of HP VAN SDN Controllers has been configured using the controllers shown in the exhibit. Which controller will become the team leader by default?

Question19: What are the addressing requirements for an HP VAN SDN Controller team?

Question20: An administrator wants to secure the connection between an HP Provision switch and HP VAN SDN Controller. What is the recommended approach to securing the OpenFlow messages?

Question21: Which protocol is used for link discovery when OpenFlow switches are separated by a non-OpenFlow switch?

Question22: Which command installs the HP VAN SDN Controller software?

Question23: What is used by the HP VAN SDN Controllers for internal communication between controllers?

Question24: Which components are used to identify a flow entry in OpenFlow 1.0?

Question25: Which table functionality was introduced with OpenFlow 1.3?

Question26: How is a leader elected in an HP VAN SDN Controller team by default?

Question27: A network administrator is attempting to forward HTTP traffic out of port Gigabit Ethernet 2 on an HP 3800 switch. The switch has negotiated to use OpenFlow 1.0 with the HP VAN SDN Controller. Which REST API call will correctly update the flow table of the switch with an entry that does not require active matching traffic to keep the flow entry in the OpenFlow table?

Question28: What is a key feature of cloud computing?

Question29: Refer to the exhibit.

A customer has configured a VLAN to use OpenFlow. An HP Comware switch is used and configured to communicate with an HP VAN SDN Controller version 2.0. How was the flow entry in the exhibit added to the flow table of the switch?

Question30: A customer wants to deploy an HP ProVision-based network with laptops daisy chained to physical IP phones. The customer also wants the laptop traffic to be managed by OpenFlow, while the phones use traditional QoS. Which OpenFlow switch instance configuration option should the customer use?

Question31: Which HP IMC SDN Manager functionally provides a detailed overview of flow entry history?

Question32: What is a key advantage of implementing malware protection by using the HP Network Protector SDN application?

Question33: Which HP IMC SDN Manager functionality provides a logical overview of the OpenFlow network?

Question34: Which statement best describes software-defined networking (SDN)?

Question35: Spanning Tree Protocol is disabled on a network edge port. The port is assigned to a VLAN, which is a member of an aggregate OpenFlow 1.0 instance. What is the default behavior of all ingress traffic when no flow entry exists?

Question36: A network administrator wants to back up the HP VAN SDN Controller. Which files will need to be downloaded and kept together? (Select two.)

Question37: A network integrator plans to implement the HP Network Protector SDN application in a network. What is a key consideration with regards to the OpenFlow protocol implementation and switch selection?

Question38: A customer wants to implement an OpenFlow solution where packets that do not match any flow entries in the OpenFlow table on the switch are not sent to the controller Rather, packets not matching should be handled normally by the switch. Which command enables this functionality on an HP 3800 series switch?

Question39: Which environmental component is used to handle authentication requests to the HP VAN SDN Controller?

Question40: What are two challenges when planning to implement a BYOD environment? (Select two.)

Question41: Which Open Flow plane is responsible for forwarding the packets?

Question42: Refer to the exhibit.

Which HP VAN SDN Controller feature displays the output in the exhibit?

Question43: Refer to the exhibit.

Which version of OpenFlow has the switch shown in the exhibit with DPID 00 0a:00 9c 02:d8 18:00 negotiated to use with the HP VAN SDN Controller version 2.0?

Question44: An administrator wants to install the HP VAN SDN Controller in a production environment using virtualization technologies. Which hypervisors are supported? (Select two.)

Question45: Refer to the exhibit.

A team of HP VAN SDN Controllers has been configured. In addition, regions have been configured. The switch shown in the exhibit has two OpenFlow sessions as follows:
Controller1 - Master
Controller2 - Slave
Controller1 is rebooted
What happens?

Question46: 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?

Question47: Refer to the exhibit.

OpenFlow has been enabled on an HP switch and is communicating with an HP VAN SDN Controller The network administrator has checked the switch flow table entries via the controller graphical user interface, but is unsure of the format. The administrator has taken a screenshot and sent you a copy. Why does the flow table display n/a?

Question48: Which component of OpenStack is used by the HP VAN SDN Controller for identity services?

Question49: Which important functions does the HP VAN SDN Controller provide for an SDN deployment? (Select two.)

Question50: A company has video, voice, and collaboration applications. The company is looking for a solution that improves performance. Which benefit does software-defined networking (SDN) provide tor this company?

Question51: Which HP IMC SDN Manager functionality provides a detailed overview of OpenFlow counters and DPIDs?

Question52: A switch connects to the HP VAN SDN Controller, which has the HP Network Protector SDN Application installed. These are the switch details:
Switch: 3800-24G-2XG
Firmware: KA15.14.003
OpenFlow negotiated: 1.3
Which channel will be used for communication with the HP Network Protector application?

Question53: Refer to the exhibit.

The switches in the diagram are connected to each other using two physical cables. The network consists of two HP 3800 series switches and two HP 5900 series switches. Why is only one link displayed between switches in the OpenFlow Topology diagram on the HP VAN SDN Controller?

Question54: What is one benefit of a software-defined networking (SDN) solution for a WAN?

Question55: A customer writes an internal application that does not run properly and crashes. Which component of the HP VAN SDN Controller framework offers protection so that other applications continue to function?

Question56: What are the OpenFlow flow entry timeout values? (Select two.)

Question57: Refer to exhibit.

Which HP VAN SDN Controller interface can a network administrator use to troubleshoot the southbound interface of the controller and displays the output shown in the exhibit?

Question58: An administrator wants to increase the number of log files held by the HP VAN SDN Controller. What would the administrator need to do to change this?

Question59: Refer to the exhibit.

The topology shown in the exhibit has the following characteristics:
* The Open Flow enabled switches are running in virtualization mode with member VLAN 10
* All the switches in the topology share the same VLANs.
* All the VLANs are tagged on all the links.
* Each OpenFlow domain is controlled by its own controller and is making independent decisions
* Every switch within the topology has PVST enabled only on VLAN 10
The networking team implementing OpenFlow reports that there are communication problems between the OpenFlow domains. What could be the cause of this communication problem?

Question60: An administrator wants the switches to forward traffic in the legacy mode. If all the controllers fail, which action should the administrator take?

Question61: Which technology can be used in OpenFlow 1.3 that allows rate limiting of packets that are sent to the SDN Controller?

Question62: Why would an architect require an application to be written as an internal application rather than as an external application?

Question63: Refer to the exhibit.

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

Question64: What happens to an incoming packet that does not have a match in any of the Open Flow tables on an HP Provision switch that operates in passive mode?

Question65: Which northbound API for external applications do developers use to communicate with the HP VAN SDN Controller?

Question66: Which command is a valid cURL command that can be executed against the HP VAN SDN Controller (assuming variables and scripts are configured correctly)?

Question67: What is the minimum number of HP VAN SDN Controllers supported in a team?

Question68: A multicast application is used in a customer's environment that relies on IGMP. On an edge switch an Openflow 1.3 instance is configured in aggregation mode. By default, what happens to the IGMP traffic if no matching flow entry exists?

Question69: Refer to the exhibit.

An SDN developer has tried use RSDoc to dis-cover the datapaths in the network. However, the error in the exhibit is displayed. Why is an error returned rather than the datapaths?

Question70: How does an HP VAN SDN Controller team provide high availability for external applications?

Question71: What are examples of information that the Topology Service returns for an OpenFlow switch port? (Select two.)

Question72: Which protocol does HP IMC use to communicate with the HP VAN SDN Controllers?

Question73: Which service on the HP VAN SDN Controller allows Observation posts to be set on a network?

Question74: An SDN developer wants to develop a new OpenFlow proactive application using the HP VAN SDN Controller. The controller is configured with IP address 192.168.56.7 and is using release 2.0. The developer is unsure of the REST APIs available on the controller.
To which URL should you recommend the developer navigate?

Question75: HP IMC provides comprehensive Fault Configuration, Accounting. Performance and Security functionality.
Which functionality does the HP IMC SDN Manager provide? (Select three.)

Question76: How does an HP VAN SDN Controller team provide high availability for OpenFlow switches?

Question77: What is an advantage of using the HP Network Optimizer SDN application with UC&C applications rather than just the SDN applications?

Question78: 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?

Question79: An HP VAN SDN Controller team is configured consisting of three controllers, using default settings.
The first controller is configured with IP address 10.1.1.1 and priority 10.

The second controller is configured with IP address 10.1.1.2 and priority 20.

The third controller is configured with IP address 10.1.1.3 and priority 30.

Currently the third controller (IP address 10.1.1.3) is the leader device. An administrator reboots the third controller.
Which controller will be the leader once this controller comes back online?

Question80: 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?

Question81: Which component synchronizes the configuration amongst a team of HP VAN SDN Controllers?

Question82: Which protocol is used to discover directly connected links between OpenFlow devices?

Question83: Which framework allows for dynamic insertion and removal of applications in an HP VAN SDN Controller?

Question84: An administrator wants to navigate to the HP VAN SDN Controller graphical user interface to view options such as the OpenFlow Topology, Alerts, and installed applications. Which URL is correct for release 2.0 of the HP VAN SDN Controller configured with IP address 192.168.56.7?

Question85: A company has an IRF-based, 2-tier FlexFabric architecture in its data center. The company is now increasing the amount of server virtualization and also adding more redundant connections across the network infrastructure backbone. Which benefit does software-defined networking (SDN) provide for this FlexFabric solution?

Question86: Refer to the exhibit.

A network engineer wants to use dpctl to make flow modifications directly on an HP 3800 switch flow table.
Can the engineer make the changes using dpctl on the switch in the exhibit?

Question87: 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.)

Question88: How does an HP Provision OpenFlow device treat packets received on a port blocked by Spanning Tree Protocol?

Question89: An administrator wants to configure the HP Network Protector SDN Application to allow access to a specific corporate website when a host is quarantined. The DNS response should still be NXDomain for websites such as piratesmustdie.com. What should the administrator configured?