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A network is choosing transceivers for switch-to-switch fiber links. Which factor affects the architect's choice?

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A network architect has designed a two-tier topology for the campus LAN and is planning to implement routing at the core. Which requirement might cause the network architect to consider implementing routing at the access layer?

A. Employees in different VLANs need to use collaboration applications to share high- resolution graphic files

B. The solution must support an isolated VLAN for wired guest devices

C. Employees need to be placed in dynamic VLANs, assigned by a RADIUS server in identity, so that network managers can manage the solution more easily

D. The customer has an HP Unified Wired-WLAN solution, and wireless users need to roam seamlessly across the site

A customer has an existing solution, which is shown in Exhibit 1. (The solution actually includes more access layer switches than shown.) In the existing solution, each access layer switch routes traffic.

A network architect is proposing the HP FlexCampus solution shown in Exhibit 2. In this proposed solution, the core Intelligent Resilient Framework (IRF) virtual switch routes traffic but the access layer switches do not. The customer links that

in the existing solution if an access layer uplink fails, failover occurs in less than a second.

The customer also likes that the existing solution does not require Virtual Router Redundancy Protocol (VRRP).

What should the architect tell the customer about the benefits of the proposed solution?

A. Although the solution offers slower failover for the access layer uplinks, it is simpler and eliminates VRRP.

B. STP eliminates the loops on the access layer uplinks and handles failover for them, which speeds convergence.

C. Failover for an access layer uplink occurs in milliseconds, and router redundancy does not require VRRP.

D. IRF handles loop elimination and link failover, which lets VRRP handle router redundancy more efficiently.

Refer to the exhibit.

A network architect is proposing an HP 6600 series router at the core of this enterprise customer network. The router runs Border Gateway Protocol (BGP) and announces the customer networks to the internet service provider (ISP). The router also runs Open Shortest Path First (OSPF) to communicate with the rest of the customer network.

What is an appropriate method for the HP 6604 router to advertise routes to the internet to the other routing switches?

A. The route should redistribute BGP routes OSPF. Areas 1 and 2 should be configured as stub areas to filter out the external routes

B. The router should advertise BGP routes into OSPF but filter out all routes except the private network that belongs to the customer

C. The router should redistribute BGP routes into OSPF. The Area Border Routes (ABRs) should summarize those routes for advertisement in areas 1 and 2

D. The router should advertise a default route as an Autonomous System Router (ASBR) summary to the other routing devices in area 0

Refer to the exhibit.

A network architect is designing the logical topology for a campus LAN networking solution. The customer requires support for 2400 edge ports, which is provided by 10 intelligent Resilient Framework (IRF) groups at the access layer. This customer does not have a wireless network nor anticipants adding one in the next two years. However, the customer does want to authenticate users with 802.1X and use the network RADIUS server to divide users from different groups into different VLANs. The customer has three user groups, each of which includes between 600 and 900 users.

Additionally, the customer understands that the RADIUS server will require several policies but wants to keep these policies as simple and easy to maintain as possible.

How can the network architect ensure that the solution meets the customer needs and also follows best practice?

A. Assign a /23 subnet to each VLAN so that the VLAN can accommodate the required number of users, even if users connect multiple devices

B. Plan a different VLAN ID and subnet address for each user group on each access layer IRF group. Either core or access layer routing will work for this solution

C. Use access layer routing. Assign a different subnet to VLAN2 on one access layer IRF group then the VLAN2 on the another access layer group

D. Plan a solution for designing dissolvable agents to the endpoints so that they can complete 802.1X authentication seamlessly