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HP HP0-Y51 Exam Overview:

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HP Building HP SDN and FlexNetwork Solutions Sample Questions:

1. A company has an external SDN application that works with an HP VAN SDN Controller. The application programmer has tried testing several RESTful API calls but receives authentication errors. What does the administrator need to explain to the programmer?

A) The application must be installed with a certificate that is signed by the same certification authority (CA) that signed the VAN SDN Controller certificate.
B) Every RESTful API call must include an X-Auth token. The token can be obtained by sending a calf with valid credentials https.Controller_IP.8443/sdn/v2.0/auth
C) Every RESTful API call must include an X-Auth token. The token must be created by a valid certification authority (CA) and installed on both the controller and external application in advance.
D) Every RESTful API call must include a valid username and password. The only exception is when the AuthRequired parameter is set to false in restful conf file.

2. An administrator plans to deploy a wireless network, which might need to support a mix of 802.11g and 802.11n clients in the 2.4 GHz frequency. The administrator wants to prioritize transmissions for 802.11 n clients. Which 2.4 GHz radio setting helps to prevent slow clients from taking more than their share of transmission time?

A) Set up the fair scheduling option.
B) Set the mandatory data rate for 802.11g as low as possible.
C) Set the multicast data rate for 802.11n as low as possible.
D) Set up the channel reuse option.

3. Table of Acronyms
An administrator is setting up an EVI solution on four HP Comware switches. The switches reach each other on these IP address:
-Switch1= 10.1.1.1 -Switch2= 10 2.2 2 -Switch3= 10.3.3.3 -Switch4= 10.4.4.4
The administrator wants to make Switch1 and Switch2 potential EVI Network Discovery Protocol (ENDP) servers. What is the proper configuration on the Switch1 EVI tunnel interface?

A) evi neighbor-discovery client enable 10.3.3.3 evi neighbor-discovery client enable 10.4.4.4
B) evi neighbor-discovery serverenable evi neighbor-discovery client enable 10.1.1.1
C) evi neighbor-discovery client enable 10.3.3.3 evi neighbor-discovery client enable 10.4.4.4
D) evi neighbor-discovery server enable evi neighbor-discovery client enable 10.2.2.2

4. A company is considering TRILL and SPBM as options for the data center architecture. The company is interested in how the solution handles load-balancing unicast traffic. What correctly describes the TRILL and SPBM options?

A) Both SPBM and TRILL can use Equal Cost Multi-Path (ECMP) to load-balance unicasts.
provided that ECMP is enable at hardware level.
B) Neither SPBM nor TRILL can use Equal Cost Multi-Path (ECMP). Both technologies can send traffic for different VLAN VLANs or I-SIDs on different links.
C) TRILL can use Equal Cost Multi-Path (ECMP). SPBM selects one best path to each SPBM switch in each B-VLAN, but can select different paths for different B-VLANs
D) SPBM can use Equal Cost Multi-Path (ECMP). TRILL does not support ECMP for unicasts, but can load-balance multicast, depending on the tree configuration.

5. Table of Acronyms Which common data center requirement does an HP EVI solution meet?

A) It increases resilience and high availability within a data center transforming Layer 2 connections into a single fabric.
B) It provides network administrators with more control over and visibility into communications between virtual machines (VMs).
C) It enhances multi-data center solutions by extending Layer 2 connectivity across data centers connected at Layer 3.
D) It enhances security for communications between data centers by automatically establishing encrypted tunnels between sites.

Solutions: