HPE2-Z38 Online Training Archives

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1. A company has an HP Network Visualizer SDN Application solution. The network administrator wants to send captured traffic to a server that is running its own local application for receiving that traffic How should the administrator configure the HP Network Visualizer SDN Application to send the traffic to the server?

Specify the server as the destination IP address for all user capture sessions.

Add the server as an unmanaged capture destination.

Add the server as a managed capture destination.

Specify the server as the destination IP address for all custom capture sessions

2. Which benefit does a custom whitelist in the HP Network Protector SDN Application provide?

It allows companies to override DNS policy enforcement removing any blocks on those sites in the HP DVLabs database. But custom blacklists can still block the sites.

It allows companies to override DNS policy enforcement removing any blocks on those sites in custom blacklists. But information from HP DVLabs can still block the sites.

It allows companies to override DNS policy enforcement removing any blocks on those sites in custom blacklists as well as the HP DVLabs database.

It allows companies to override DNS policy enforcement removing any blocks on those sites in custom greylists. Custom blacklists and information from HP DVLabs can still block the sites.

3. An organization is deploying an HP SDN solution in its legacy network. The network includes OpenFlow enabled devices and legacy devices that do not support OpenFlow. How does the HP VAN SDN Controller discover multi-hop links that cross non-OpenFlow enabled switches?

The controller uses ARP to discover all devices on the network and then uses Open Flow to determine whether each device is OpenFlow-enabled.

The controller broadcasts BDDP packets that pass through legacy switches to OpenFlow-enabled switches, which send them to the controller.

The controller instructs OpenFlow-enabled switches to broadcast BDDP packets that pass through legacy switches to OpenFlow-enabled switches, which send them to the controller.

The controller broadcasts LLDP packets to discover whether connected switches are OpenFlow enabled and uses this information to create an OpenFlow topology.

4. A company has multiple HP VAN SDN Controllers with one of these applications on each controller:

• HP Network Visualizer SDN Application

• HP Network Protector SDN Application

• HP Network Optimizer SDN Application

When a user attempts to browse to a web site, the browser displays a message indicating that the site is unavailable. The user reports this to the IT staff. Assume that one of the SDN applications is causing this behavior. Where should the network administrator look for the explanation?

HP Network Visualizer capture sessions

HP Network Visualizer capture destinations

HP Network Optimizer edge marking policies

HP Network Protector blacklists and TippingPoint database

5. What is a key advantage of software-defined networking (SDN) as compared to traditional networking?

SDN promotes interoperability through open standards such as OpenFlow but supports vendor specific features as needed.

With SDN, network management is simplified because all pure OpenFlow switches can be managed through a single pane-of-glass management console

SDN allows companies to deploy software-only switches and routers, which can be managed from a centralized console.

With SDN, a network can be influenced by external applications to enable it to change as the applications require.

6. What is one trend that puts pressure on existing network infrastructures and drives the need for software-defined networking (SDN)?

Companies are implementing private clouds, and network administrators must be able to respond to service requests quickly.

Network infrastructures are allocating too much bandwidth to voice, video, and collaboration traffic, starving out other applications.

Companies increasingly host fewer functions per hypervisor.

Network administrators increasingly provision security to permit only company-owned assets to connect to the network.

7. A company is deploying an HP Software-defined Networking (SDN) solution. The company wants a centralized solution for deploying and monitoring OpenFlow-enabled switches, visualizing traffic flow through the SDN domain, and backing up and restoring HP VAN SDN Controller configurations. Which solution should the company use for this purpose?

HP SDN Manager for IM

HP OneView.

HP OpenView Network Node Manager.

HP VAN SDN Controller team manager.

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

managing and maintaining application awareness

creating and maintaining flow policies

IS managing switch listeners

managing Open Flow enabled SDN resources

updating Topology Service discovery protocol

9. Why would an architect require an application to be written as an internal application rather than as an external application?

lower cost of development

faster event-driven responses

greater flexibility of platform choices

increased program language options

10. What is true regarding Open Flow and VXLAN for SDN?

OpenFlow is fully compatible with VMware NSX virtualization solutions, while VXLAN is only partially compatible.

OpenFlow interfaces with the switch data plane, while VXLAN creates overlay tunnels between hypervisors without changing the physical infrastructure.

OpenFlow offers both pure and hybrid mode, while VXLAN requires the physic network infrastructure device to operate in a pure SDN mode.

Open Flow is an open standard and is not vendor dependent, while VXLAN is a proprietary solution

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11. With which overlay-based network virtualization controller does the HP VAN SDN Controller federate?

OpenDaylight

VMware NSX

Mininet

Ethane

12. A network administrator logs in to the HP VAN SDN Controller, which is configured to use a local Keystone server. What happens if the administrator's login credentials are valid?

The Keystone server sends both the controller and the administrator a token, which the administrator's client includes with each request it sends to the controller

The Keystone server generates a token and sends the token to the controller which forwards a copy of the token to the administrator's client.

The Keystone server sends a token to the controller which immediately allows the administrator access.

The Keystone server notifies the controller that the credentials are valid, and the controller generates a token and sends it to the client.

13. A company is migrating to software-defined networking (SDN) by implementing a hybrid model. The company's data center includes an Intrusion Detection System/Intrusion Prevention System (IDS/IPS).

Which advantage does HP SDN Network Protector SDN Application provide for this network?

detects types of malware that an IDS/IPS cannot detect

monitors Open Flow traffic to ensure the SDN network is protected

inspects encrypted traffic transmitted across the network

blocks malware as close to the source as possible

14. How does the HP Network Protector SDN Application use service insertion tunnels?

to enable supported HP Provision switches to send DNS traffic to the controller over a hardware tunnel

to enable the redirection of email and web traffic to the controller for inspection

to enable supported HP Comware switches to send DHCP traffic to the controller for special processing

to enable communication with HP DVLabs for the latest information about blacklisted web sites

15. A company is using Microsoft soft phones and Microsoft Lync. The company wants to implement the HP Network Optimizer SDN application to improve the performance of this solution. Which settings are required on the company's core switch?

ACLs to select Lync traffic and apply appropriate QoS settings.

QoS settings to trust OSCP settings set at the access layer.

Open Flow 1.3 group table.

OpenFlow hybrid mode.

16. A switch is configured to support OpenFlow 1.0 and 1.1. What happens when the switch sends an OpenFlow hello message to a standalone HP VAN SDN Controller 2.5?

The controller requires all switches in the same VLAN to use OpenFlow 1.1.

The controller uses OpenFlow 1.3 which is backwards compatible

The controller and switch will use Open Flow 1.0.

The controller responds with an error message because the controller does not support Open Flow 1.1.

17. A network administrator wants to create a path for forwarding broadcasts to all devices in VLAN 5 within an OpenFlow domain. The network topology includes redundant links, and broadcast forwarding is fully controlled by OpenFlow. Which action should the administrator specify for a flow entry that matches the broadcast traffic on all the Open Flow devices?

flood on VLAN 5

output on VLAN 5

output on a group, which is associated with the ports in the path

output on a spanning tree instance, which is associated with VLAN 5

18. A company uses VMware NSX in its datacenter. The company relies on a legacy computer system that requires a significant amount of throughput. How can an HP VAN SDN Controller solution enhance this VMware NSX solution?

It provides a self-provisioning portal that makes it easier for administrators to provision Virtual Machines.

It integrates VMware with HP OneView providing a single pane of glass for virtual infrastructure management.

It enables the use of overlay tunnels, making the solution less complex and easier to manage.

It enables physical HP switches to act as hardware gateways to bridge the traditional and overlay networks.

19. Which benefit do HP VAN SDN Controller federation APls provide?

They help the controller to support multiple internal SDN applications at the same time.

They help multiple controllers to interface on the southbound interface.

They help the controller to integrate with VMWare NSX and deliver SDN applications across virtual networks.

They help the controller to communicate with management software such as HP IMC and HP OneView.

20. Refer to the exhibit.

Which action will the switch take when it receives this message?

Delete all flows in table 200 effectively "flushing" the switch's table.

Check its flow table and remove the flow that matches the request.

Modify the out port in an existing flow in table 200

Remove all flows that match source MAC address aa:aa:bb:bb:cc.

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21. Which tool would a network administrator use to disable the HP Network Optimizer SDN Application?

Node Manager

Keystone

Application Manager

Upstart

22. Refer to the exhibit.

A team of HP VAN SDN Controllers has been configured. The three members of the team are:

• 192.168.56.5

• 192.168.56.6

• 19216856.7

What is the state of controller 192.168.56.7 when both the other controllers fail?

Suspend

Slave

Team Leader

Master

23. Refer to the exhibit.

A network administrator is verifying that an HP switch in region 253 is correctly integrated with this team. The administrator views the Open Flow instance. What should the administrator see if the switch is correctly integrated and has connectivity to all controllers?

Three controller IDs; controller 192.168.56.15 has an active connection and the master role; controllers 192.168.56.14 and 192.168.56.16 are disconnected

Three controller IDs; controller 192.168.56.15 has an active connection and the master role; controllers 192.168.56.14 and 192 168.56.16 have active connections and the slave role

One controller ID; controller 192.168 56.15 has an active connection and the master role

One controller ID; controller 192.168.56.14 has an active connection and the equal role

24. How many Open Flow instances can an administrator map to a single VLAN on an HP Provision switch?

25. Refer to the exhibit.

The network administrator is setting up a controller team. The team address is 192.168.100.100, and the three controllers are using 192.168.100.110, 192.168.100.111 and 192.168.100.112. The administrator is configuring a switch with only basic IP connectivity that can reach the controller team. The administrator starts to configure a new OpenFlow instance by using the commands shown in the exhibit.

The instance fails to activate.

How should the administrator change the configuration to enable it to activate?

Add one or more VLANs to the Open Flow instance.

Change the IP address for all controllers to the team address.

Move to the appropriate VLAN context and add the Open Flow instance.

Change the default setting for controller mode from single to team.