HP0-Y51 Real Exam Questions and Verified Answers

Question 1 Single choice

What correctly describes the role of OpenFlow in an SDN solution?

A
OpenFlow regulates the communications among teamed SDN controllers, as well as between an SDN controller and a network infrastructure device
B
OpenFlow integrates the SDN controller into a larger management suite such as that provided in an HP CloudSystern solution.
C
OpenFlow is a communication protocol that an SDN controller can use to control devices at the network infrastructure layer.
D
OpenFlow is the open standard technology that regulates SDN control plane and application plane communications.

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Correct answer: C

Explanation

References:
http://searchsdn.techtarget.com/guides/OpenFlow-protocol-tutorial-SDN-controllers-and-applications-emerge

Question 2 Single choice

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

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Correct answer: B

Question 3 Single choice

Table of Acronyms

Refer to the exhibit.

A company has three data centers, each with a connection to a service provider network. The administrator has configured the settings shown in the exhibit, but the EVI links are not coming up.

What should the administrator do to correct the problem?

A
Change the EVI site ID on each device to match.
B
Add destination IP addresses to the tunnel interfaces.
C
Enable 1S-1S on the VLAN interfaces that connect to the service provider.
D
Change the EVI network ID on each device to match.

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Correct answer: C

Question 4 Single choice

HP Unified Wired-Wireless controllers support wireless Intrusion Detection System (IDS)/intrusion prevention system (IPS) features. An HP AP radio is configured to participate in this solution in hybrid mode.

Which functions can the hybrid mode radio fulfill?

A
Can support wireless clients and scan wireless traffic.
B
It can support wireless clients, scan wireless traffic, and implement countermeasures
C
It can implement countermeasures and scan wireless traffic.
D
It can scan wireless traffic and wired traffic.

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Correct answer: C

Question 5 Single choice

Table of Acronyms

Exhibit 1

Exhibit 2

The switches shown in the exhibit are implementing SPBM. The administrator is now setting up interface ten1/0/1 to connect to a new VMware host.

What is the correct port type and VLAN assignment for the interface?

A
Trunk port than permits VLANs 101 and 103
B
Hybrid port than permits VLANs 201 and 203
C
Trunk port that permits VLANs 10 and 20
D
Access port that permits the default VLAN

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Correct answer: A

Question 6 Single choice

A company is deploying an HP Unified Wired-Wireless controller solution with an HP BYOD solution. Guests will connect to an open Guest SSID and be redirected by their default gateway to a portal hosted by User Access Manager (UAM). The default gateway is a Comware routing device.

The administrator has set up portal authentication on the Comware device to implement the redirect. The administrator asks the BYOD solution designer about the correct RADIUS and domain settings for portal authentication on the switch.

What should the BYOD solution designer explain to the administrator?

A
The administrator does not need to make any changes as long as the switch is managed by IMC. UAM will automatically access the managed switch and configure the correct settings.
B
These settings are not necessary because the UAM BYOD portal automatically handles the authentication and then forces the guest to reconnect the SSID and authenticate with MAC-Auth.
C
The RADIUS scheme and domain must be configured with the same settings that would be used for traditional portal authentication to UAM. In addition, the RADIUS scheme must use the standard server type.
D
The RADIUS scheme and domain must be configured with the same settings that would be used for traditional portal authentication to UAM. In addition, the RADIUS scheme must enable transparent MAC authentication.

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Correct answer: D

Question 7 Single choice

A company has an HP Unified Wired-Wireless controller that controls HP MultiService Mobility (MSM) APs. The network administrator wants to implement protection against rogue APs in the company's campus environment. Only APs that have approved MAC addresses should be allowed to operate and support clients. Controlled APs should send disassociation frames to prevent clients from connecting to rogue APs.

The administrator sets up APs to monitor the area and creates a permitted MAC address list with the approved AP MAC addresses. The administrator has not configured any other Intrusion Detection System (IDS) settings.

Which additional step must the administrator complete?

A
Enable a dynamic blacklist.
B
Configure the permitted vendor and permitted SSID lists.
C
Enable countermeasures.
D
Deploy the permitted MAC address list as a static attack list to each controlled AP

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Correct answer: C

Question 8 Single choice

Table of Acronyms

A company has a data center that hosts multiple tenants. The company is adding a second and third data center switch.

These are the IRF connections:

IRF 1 is the core of the first data center.
IRF 2 is the core of the second data center.
IRF 3 is the core of the third data center
The three data centers are fully interconnected with dark fiber. IRF 1, IRF 2, and IRF 3 have connections to a WAN and to the Internet.

Which option for the connections between the data centers provides the best resiliency and stability?

A
SPBM configured across IRF 1, IRF 2, and IRF 3
B
MSTP running on the links
C
IRF 1, IRF 2, and IRF 3 combined into a single IRF virtual device
D
A link aggregation that consists of all of the links

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Correct answer: A

Question 9 Single choice

Table of Acronyms

Refer to the exhibit.

An administrator wants to establish a remote LDP session between PE-1 (loopback IP address 10.0 0.1) and PE-2 (loopback IP address; 10.0.0.2).

What is required to do this?

A
Both PE-1 and PE-2 have a VPN instance that is defined with the same route distinguisher (RD)
B
Both PE-1 and PE-2 advertise the same label for their loopback IP address
C
Both PE-1 and PE-2 use ordered mode for LDP.
D
Both PE-1 and PE-2 advertise their loopback IP address with OSPF and with LDP.

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Correct answer: D

Question 10 Single choice

What is one benefit of the HP patent for Adaptive Multicast channel width and Guard Interval 802.11n?

A
HP APs can bind up to three channels together for any multicast transmissions in the 5 GHz frequency range, including 802.11a and 802.11n.
B
HP APs can adjust whether they send multicasts over a bonded channel based on the 802.11 standards supported on device in the current environment.
C
HP APs can adapt the precise frequency on which they transmit to each client, enabling them to transmit multicasts to more than one clients at the same time.
D
HP APs can transmit multicasts as broadcasts or unicasts, helping to ensure higher transmission rates and more reliable delivery for multicast.

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Correct answer: B