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Company XYZ, a global content provider, owns data centers on different continents Their data center design involves a standard three-layer design with a Layer 3-only core VRRP is used as the FHRP They require VLAN extension across access switches in all data centers, and they plan to purchase a Layer 2 interconnection between two of their data centers in Europe in the absence of other business or technical constraints which termination point is optimal for the Layer 2 interconnection?
Company XYZ needs advice in redesigning their legacy Layer 2 infrastructure. Which technology should be included in the design to minimize or avoid convergence delays due to STP or FHRP and provide a loop-free topology?
Refer to the exhibit. The network 10.10.0 .0/16 has been redistributed to OSPF processes and the best path to the destination from R1 has been chosen as R1-R2-R3 A failure occurred on the link between R2 and R3 and the path was changed to R1-R4-R5-R3 What happens when the link between R2 and R3 is restored'?
The network designer needs to use GLOP IP address in order make them unique within their ASN, which multicast address range will be considered?
Enterprise XYZ wants to implement fast convergence on their network and optimize timers for OSPF However they also want to prevent excess flooding of LSAs if there is a constantly flapping link on the network Which timers can help prevent excess flooding of LSAs for OSPF?
The Agile Manifesto is a document that defines the key values and principles behind the Agile philosophy and helps development teams work more efficiently and sustainably Each of the four key values is split into two sections a left-hand side and a right-hand side In other words, though there is value in the items on the right we value the items on the left more What is one of the key values of the Agile Manifesto?
Refer to the exhibit. An architect must design an enterprise WAN that connects the headquarters with 22 branch offices. The number of remote sites is expected to triple in the next three years. The final solution must comply with these requirements: • Only the loopback address of each of the enterprise CE X and Y routers must be advertised to the interconnecting service provider cloud network. • The transport layer must carry the VPNv4 label and VPN payload over the MP-BGP control plane. • The transport layer must not be under service provider control. Which enterprise WAN transport virtualization technique meets the requirements?
Which design solution reduces the amount of IGMP state in the network?
A network architect must redesign a service provider edge, where multiservice and multitenant PEs are currently present. Which design feature should be minimized in the new design to achieve reliability?
Which architecture does not require an explicit multicast signaling protocol, such as PIM or P2MP, to signal the multicast state hop-by-hop, but instead uses a link state protocol to advertise the multicast forwarding state?

Question 197 - 400-007 discussion

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Company XYZ is migrating their existing network to IPv6 and they must plan for Layer 2 and Layer 3 devices Some of the access layer switches do not support IPv6, however, core and distribution switches fully support unicast and multicast routing. The company wants to minimize cost of the migration. Which migration strategy should be used in the design?

A.

The access layer switches must support IGMP snooping at a minimum. Any switches that do not support IGM snooping must be replaced.

Answers
A.

The access layer switches must support IGMP snooping at a minimum. Any switches that do not support IGM snooping must be replaced.

B.

Upgrade the nonsupporting switches Otherwise, it will cause an issue with the migration.

Answers
B.

Upgrade the nonsupporting switches Otherwise, it will cause an issue with the migration.

C.

Layer 2 switches will not affect the implementation of IPv6. They can be included in the design in their current state.

Answers
C.

Layer 2 switches will not affect the implementation of IPv6. They can be included in the design in their current state.

D.

The access layer switches must support DHCPv6. Any switches that do not support DHCPv6 must be replaced.

Answers
D.

The access layer switches must support DHCPv6. Any switches that do not support DHCPv6 must be replaced.

Suggested answer: C
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asked 10/10/2024
Ahmed Ebrahim
44 questions
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