HP Implementing HP Network Infrastructure Solutions Set 1

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HP Implementing HP Network Infrastructure Solutions Set 1

A customer requires an HP FlexCampus solution with a core that scales to 40/100G. Which HP switch fabric meets this need?

the 7500's CLOS switch fabric ✘ the 10500's CLOS switch fabric ✘ the 7500's crossbar switch fabric ✘ the 10500's crossbar switch fabric ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

What is the role of neighbor solicitation (NS) messages in the autoconfiguration of an IPv6 address?

An IPv6 node sends an NS message to inform a node undergoing autoconfiguration that it is already using a particular address. ✘ An IPv6 node sends an NS message for its tentative address to determine whether another node is using it. ✘ An IPv6 node sends an NS message for the global prefix to prompt other IPv6 nodes to advertise the addresses that they are using on that prefix. ✘ An IPv6 node sends an NS message to prompt an IPv6 router on the link to advertise the global prefixes associated with the link immediately. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Which switch is best suited to act at the edge of a medium to large HP FlexFabric solution?

10500 ✘ 5500 ✘ 9500 ✘ 5830 ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

How can a high density of ports and high throughput at the core of an HP FlexNetwork save customers money?

Intelligence is offloaded from the edge switches, enabling customers to save money on the most numerous switches in their solutions. ✘ The customer can combine the data center and campus LAN core into a single entity, reducing power and cooling costs. ✘ The customer no longer needs to deploy modular switches at the distribution level and the edge, deploying more cost-effective stackable switchesinstead. ✘ The architecture can be simplified, eliminating expensive distribution devices and reducing power and cooling costs. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

A company has a network that includes HP 5800 and 12500 switches. Usage demands on the company's FTP servers have increased, causing performance issues during peak usage times. While analyzing link utilization, the network administrator noticed that the most heavily utilized links experience bursts of congestion, causing them to drop traffic. The links then experience brief periods of low utilization followed by another burst of congestion. This pattern continues periodically throughout the peak utilization time. What should the network administrator do to attempt to create a more efficient traffic pattern on these links?

Configure an outbound traffic policing policy on the ports in question, setting the CIR at about sixty percent of the ports' capacity and the PIR at about
eighty percent. ✘ Apply Weighted Fair Queuing (WFQ) or Weighted Round Robin (WRR) scheduling in preference to Strict Priority (SP) scheduling on the ports inquestion. ✘ Configure inbound traffic policing policies on ports at the core, setting the CIR at about sixty percent of the ports' capacity and the PIR at about eightypercent. Apply outbound generic traffic shaping (GTS) on ports facing the core ports, setting the CIR equal to the CIR on the core ports. ✘ Apply a WRED table to the ports in question, optionally adjusting the table values to drop lower priority traffic first. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

A company has a service level agreement (SLA) with its service provider. The SLA specifies a 2 Mbps committed information rate (CIR) and 20 KB committed burst size (CBS). Lately, during peak usage times, the company has been experiencing brief periods of poor performance on its external connection (Gigabit Ethernet port 2/0/1 on an HP 5800 switch). How can the network administrator configure the Comware switch to address this problem?

Configure a traffic classifier that selects all traffic and a car traffic behavior that sets the CIR to 2 Mbps and the CBS to 20 KB. Create a QoS policy that maps the classifier to the action and apply this policy as an inbound policy on port Gigabit Ethernet 2/0/1. ✘ Enable Strict Priority (SP) scheduling on port Gigabit Ethernet 2/0/1 and ensure that all inbound traffic is marked with the correct priority. ✘ Configure generic traffic shaping (GTS) on the Gigabit Ethernet port 2/0/1, setting the CIR to 2 Mbps and the CBS to 20 KB. ✘ Configure a traffic classifier that selects all traffic and a car traffic behavior that sets the CIR to 2 Mbps and the CBS to 20 KB. Create a QoS policythat maps the classifier to the action and apply this policy as an outbound policy on port Gigabit Ethernet 2/0/1. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

A network includes a mix of IGMPv2 and IGMPv3 endpoints and must support the following source specific multicasting applications:
Source: 10.1.4.2 and Group: 232.0.5.5
Source: 10.1.4.12 and Group 232.0.6.6
The network is already implementing PIM-SM and IGMPv3. In order to support these applications, the HP 10500 switches that act as routers for the endpoints in question must support another feature. Which step must the network administrator perform on each of these switches?

Create an SSM policy that includes 232.0.5.5 and 232.0.6.6 within its range ✘ Enable IGMPv2 backward compatibility mode ✘ Configure two SSM maps, each of which maps a source to its multicast group ✘ Enable PIM SSM on the interfaces that connect to the endpoints ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

A network uses PIM-DM to route multicast traffic. The network administrator has noticed bursts of congestion related to periodic floods of multicast traffic. How can the administrator eliminate these periodic bursts?

Leave PIM-DM enabled on the interfaces that face receivers, but enable PIM-SM throughout the core. ✘ Decrease the PIM hello timer on VLAN interfaces on which PIM-DM is enabled. ✘ Decrease the IGMP robustness variable on VLAN interfaces that connect to receivers. ✘ Enable the state refresh feature on the VLAN interfaces on which PIM-DM is enabled. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

Two HP 7500 switches, switch A and switch B, are implementing VRRP in VLAN 2 (VRID 2) and in VLAN 3 (VRID 3). Switch A is currently the master in both VRIDs. The network administrator enables load balancing on both VRIDs on both switches. Which statement describes an effect of these commands?

Switch A becomes master in one VRID, and switch B becomes master in the other VRID. ✘ Switch B requests and receives its own virtual MAC address in both VRIDs from switch A. ✘ Switch A and switch B respond to ARP requests in both VLANs. ✘ Switch A and switch B send out standard VRRP advertisements in both VLANs. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

10.

Which type of IPv6 over IPv4 tunnel protocol on an HP 12500 switch requires that you specify a destination?

IPv6 over IPv4 ✘ ISATAP ✘ IPv6 over IPv4 auto (or IPv4-compatible) ✘ 6 to 4 ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

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HP Implementing HP Network Infrastructure Solutions Set 1

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