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A network architect is designing a redundancy solution for a customer and has learned that there is a simple link between two critical components. During the past 4000 hours of operation, the link has failed twice. The customer estimates that each failure has taken two hours to resolve.
Given the information, what is the availability that this link provides?

• A. 99.99%
• B. 99.999%
• C. Less that 99.99%
• D. 99.9%

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 applications adding one in the next two years. However, the customer does want to authenticate users 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 ensures that the solution meets the customer needs and also follows best practices?

• A. 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.
• B. Assign a /23 subnet to each VLAN so that the VLAN can accommodate the required number of users, even if users connect multiple devices.
• C. Plan a solution for deploying dissolvable agents to the endpoints so that they can complete 802.1X authentication seamlessly.
• D. Use access layer routing. Assign a different subnet to VLAN 2 one access layer IRF group than to VLAN 2 on another access layer group, and so on.

A network architect is planning a BladeSystem solution for a customer. The server blades require connections for these purposes:
-Connections to the data center LAN -Fibre channel (FC)connections -Management connection -vMotion connections
The network architect wants to follow the best practices but also wants to minimize the number of NICs and cables required.
Which guidelines should the network architect follow when choosing server blades and interconnect modules?

• A. The server blades can have any type of ports, but the interconnect modules must be FlexFabric or Flex-10 modules.
• B. The server blades require FlexFabric ports, and the interconnect modules be FlexFabric or Flex-10 modules.
• C. The server blades require FlexFabric ports, and the interconnect modules can be any type of Virtual Connect (VC) module.
• D. The server blades require Flex-Fabric ports, and the interconnect modules must be FlexFabricmodules.

A customer is beginning to implement IPv6 in conjunction with IPv4 in its private network. The customer has obtained this IPv6 Block: 2003:DBB:1:1000::/52. The network architect is planning IPv6 addresses for these subnets:
-VLAN 10 with100 users -VLAN 20 with 130 users The customer wants to use stateless autoconfiguration to assign IP address to the endpoints.
How should the network architect plan the IPv6 subnet address for each VLANs?

• A. The subnet for each VLAN should use a /104 subnet address, such as 2003:DB8:1:1000::100:0/104
• B. The subnet for each VLAN should use a /112 subnet address, such as 2003:DB8:1:0/112.
• C. The subnet for each VLANs should use a /56 subnet address, such as 2003:DB8:1:1100::/56
• D. The subnet for each VLAN should use a /64 subnet address, such as 2003:DB8:1:1001::/64

Refer to the exhibit.

A network architect has designed the topology in the exhibit. The Gigabit links between 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 application and have medium utilization needs.
What should the network architect do to resolve a potential issue?

• A. Add more links between each modular switch at the access layer and its distribution layer switch.
• B. Remove the distribution layer since it is not needed on this environment.
• C. Replace the modular switches at the access layer with switches that support stacked meshing.
• D. Add more bandwidth between each pair of distribution layer switches and the core switches.