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HP HP0-Y50 Exam Practice Questions (P. 3)

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Question #11
A network architect is planning an update of the server access layer in a data center. Currently, the access layer switches have 10G links to distribution layer switches. In the new solution, HP 5930 Switches act as top of rack (ToR) switches with 40G links to core switches.
Which factor must the network architect consider when designing solution?
  1. A
    Whether the data center cabling provides enough fiber strands to the racks to support the 40G links
  2. B
    Whether the new switches 40G transceivers are on the chassis front or back, the transceivers must be on the same side as servers air outtakes
  3. C
    Whether the servers connecting to the new switches use Ethernet Virtual Bridging (EVB)/Virtual Ethernet Port Aggregate (VEPA), which is not compatible with 40G
  4. D
    Whether the servers connecting to the new switches have NICs that support Converged Enhanced Ethernet (CEE)

Correct Answer:
D

Question #12
Refer to the exhibit.

A network architect has designed the topology shown in the exhibit. The Gigabit links between distribution layer and the core uses OM3 grade multi-mode fiber between 100m and 150m long.
The solution is for an enterprise customer whose employees use mostly HTTP-based applications and has medium utilization needs.
What should the network architect do to resolve a potential issue?
  1. A
    Add more bandwidth between each pair of distribution layer switches
  2. B
    Add more links between each modular switch at the access layer and its distribution layer switch
  3. C
    Replace the modular switches at the access layer with switches that support stacked meshing
  4. D
    Remove the distribution layer since it is not needed in this environment

Correct Answer:
A

Question #13
A customer requires high availability, so the network architect is planning two area border (ABRs) for each non-backbone area in the Open Shortest Path First
(OSPF) solution. What ensures a loop-free routing environment that meets the customer needs?
  1. A
    All ABRs have at least one interface in area 0, and that interface has an IP address that is outside of the range of any summaries for area 0
  2. B
    Each ABR in an area advertises the same summary routes for the area, and each ABR has a null route that matches those summaries
  3. C
    Only one ABR advertise a summary route for each area. For areas with multiple ABRs, each area can include two summaries ranges, and each ABR is configured with one of those ranges
  4. D
    All ABRs in an area apply consistent path costs for their summary routes

Correct Answer:
C

Question #14
Refer to the exhibit.

The network architect is planning network addresses for the VLANs shown. The company is using the private 10.0.0.0/8 space. Which guidelines should the network architect follow?
  1. A
    Use a/22 subnet for each VLAN to ensure enough IP addresses for each large modular switch
  2. B
    Implement the port isolation feature and apply several /30 subnets to each VLAN
  3. C
    Use a/25 subnet for each VLAN to conserve the limited IP addressing space
  4. D
    Use a /24 subnet for each VLAN for simplicity and scalability

Correct Answer:
D

Question #15
A company is upgrading a data center network solution in phases. The first phase involves updating the top of rack (ToR) switches in one rack. Other switches will be updated in their phases.
What is one benefit of this approach?
  1. A
    It allows the through testing of the solution in real-world circumstances
  2. B
    It ensures that the network can be updated without any scheduled downtime
  3. C
    It removes the need to conduct connectivity and failover tests during the implementation
  4. D
    It removes the need for working with customer change management processes

Correct Answer:
C

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