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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?
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?
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 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?
Which two control plane policer designs must be considered to achieve high availability? (Choose two.)
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?
Refer to the exhibit A service provider has a requirement to use Ethernet OAM to detect end-to-end connectivity failures between SP-SW1 and SP- SW2 Which two ways to design this solution are true? (Choose two)
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?

Question 51 - 400-007 discussion

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Company XYZ is planning to deploy primary and secondary (disaster recovery) data center sites. Each of these sites will have redundant SAN fabrics and data protection is expected between the data center sites. The sites are 100 miles (160 km) apart and target RPO/RTO are 3 hrs and 24 hrs, respectively. Which two considerations must Company XYZ bear in mind when deploying replication in their scenario? (Choose two.)

A.

Target RPO/RTO requirements cannot be met due to the one-way delay introduced by the distance between sites.

Answers
A.

Target RPO/RTO requirements cannot be met due to the one-way delay introduced by the distance between sites.

B.

VSANs must be routed between sites to isolate fault domains and increase overall availability.

Answers
B.

VSANs must be routed between sites to isolate fault domains and increase overall availability.

C.

Synchronous data replication must be used to meet the business requirements

Answers
C.

Synchronous data replication must be used to meet the business requirements

D.

Asynchronous data replication should be used in this scenario to avoid performance impact in the primary site.

Answers
D.

Asynchronous data replication should be used in this scenario to avoid performance impact in the primary site.

E.

VSANs must be extended from the primary to the secondary site to improve performance and availability.

Answers
E.

VSANs must be extended from the primary to the secondary site to improve performance and availability.

Suggested answer: C, D

Explanation:

synchronous data replication must be used to meet the business requirements, is incorrect. As described above, asynchronous replication would be a better choice in this scenario due to the distance between the data center sites and the target RPO/RTO requirements. asynchronous data replication should be used in this scenario to avoid performance impact in the primary site, is correct. Asynchronous replication would allow Company XYZ to meet the target RPO/RTO requirements while avoiding the performance impact of synchronous replication

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asked 10/10/2024
Ian Wilson
45 questions
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