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Difficulty: Very hardNetwork Types and Topologies

A network architect is designing the infrastructure for a multi-regional enterprise organization. The project requires a dedicated high-speed network to deliver block-level storage access between servers and storage arrays in the primary data center, as well as a network spanning across different state regions to interconnect remote office facilities. Which of the following network types accurately categorize these required implementations? (Select TWO.)

  1. A Storage Area Network (SAN) for the data center to provide dedicated block-level storage connectivity.Answer
  2. A Wide Area Network (WAN) to interconnect remote office facilities across different geographical state regions.Answer
  3. C
    A Metropolitan Area Network (MAN) to link remote office facilities across distant geographical state regions.
  4. D
    A Local Area Network (LAN) utilizing unmanaged Layer 2 switches across public telecom infrastructure to interconnect subnets between regional sites.

Answer

The correct selections are the Storage Area Network (SAN) for block-level storage in the data center, and the Wide Area Network (WAN) for interconnecting sites across distant state regions.
A Storage Area Network (SAN) provides high-performance, block-level storage access specifically designed for data center storage environments. A Wide Area Network (WAN) is designed to cross large geographical boundaries, such as connecting sites located in different state regions.

Step-by-Step Solution

1
Analyze the data center storage requirement
Identified high-speed block-level access between data center servers and storage arrays
Dedicated block-level storage networks isolated within a data center are explicitly defined as Storage Area Networks (SANs).
2
Analyze the inter-site geographic connectivity requirement
Identified connectivity spanning different state regions
Networks spanning broad geographic distances across states or countries fall under the classification of Wide Area Networks (WANs).
3
Evaluate distractors against networking scoping and layer boundary rules
Eliminated Metropolitan Area Network (MAN) and Local Area Network (LAN) options
MAN scope is confined to a single metropolitan municipality, while LANs are single-building/site networks that cannot span public telecom links or interconnect subnets without Layer 3 routing.

Key Concept

Geographic and Functional Network Scope Classifications (SAN vs WAN vs MAN vs LAN)
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Topics

Network Types and Topologies

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