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HP HP0-Y50 Exam Practice Questions (P. 4)

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Question #16
Refer to the exhibit.

The exhibit shows how two NICs on a physical server connect to two HP 5820 switches. The server supports eight virtual machines (VMs) with VMware version
5.1. The VMware standard virtual switch is bound to NIC and NIC2. This switch implements source MAC load balancing for the NIC team.
What is the proper configuration for ports 1/0/1 and 2/0/1?
  1. A
    Place the ports in a bridge aggregation group that does not use LACP
  2. B
    Place the ports in a bridge aggregation group that uses LACP
  3. C
    Enable LACP on the individual ports
  4. D
    Do not place the ports in a bridge aggregation group

Correct Answer:
C

Question #17
Refer to the exhibit.

A network architect is proposing this solution to a customer. The customer network manager has a preference for Cisco VLAN Spanning Tree Plus (PVST+) because this protocol provides for fast convergence when a link fails and also provides per-VLAN load-sharing over links.
How would the network architect explain why the solution fits these requirements?
  1. A
    The MSTP component of the solution fulfills the same needs as PVST+ MSTP simply balances traffic per instance rather than per-VLAN
  2. B
    The redundant links between the switches are protected by MSTP and the built-in loop guard on HP-3800 switches. MSTP provides load-sharing and loop guard provides resiliency
  3. C
    The solution as shown provides the same load-sharing benefits as PVST+. To achieve the same resiliency benefits, the architect can add smart link to the meshed stack
  4. D
    The link aggregation between tiers provide even better resiliency and load-sharing than PVST+ while MSTP protects against accidental loops

Correct Answer:
D

Question #18
A network architect is explaining the differences between deploying two switches in an HP Intelligent Resiliency Framework (IRF) virtual switch and deploying two switches that implement standard Virtual Routing Redundancy Protocol (VRRP). Which statement correctly describes an advantage of IRF?
  1. A
    IRF failover occurs in 3 to 4 seconds, whereas VRPF failover occurs in 10 or more seconds
  2. B
    Unlike VRRP, which requires as least two addresses to be listed. Dynamic Host Configuration Protocol (DHCP) scopes list a single IP address for the default gateway
  3. C
    The IRF virtual switch runs a separate routing in each member, which enhances the redundancy and reliability of the overall solution
  4. D
    Multiple IRF members can actively route traffic for the same subnet and use the same IP address and routing control plane

Correct Answer:
D

Question #19
Which data center characteristics should specifically make the architect consider switches that support Shortest Path Bridging (SPB) or Transparent
Interconnection of Lots of Links (TRILL)?
  1. A
    The customer requires redundancy and resiliency for the two data center routing switches
  2. B
    The customer requires high-speed routing between front-end servers and database servers in different subnets
  3. C
    The virtualized data center supports several thousand virtual machines (VMs) with a two-tier networking infrastructure topology
  4. D
    The data center requires many redundant links and must scale the tens of thousands of virtual (VMs)

Correct Answer:
A

Question #20
A network architect is planning a complete access layer and core upgrade for customers campus LAN. The campus has four large buildings, each requiring between 1000 and 3000 edge ports. Which factor will play a primary role in determining whether the network architect needs to plan a two-tier or three-tier topology for the campus LAN?
  1. A
    The number of fiber links between each building and the building where the core switches reside
  2. B
    Whether the customer requires a wireless solution
  3. C
    The high number of edge ports that the solution requires
  4. D
    Whether the customer can afford core switches that support intelligent Resilient Framework (IRF)

Correct Answer:
C

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