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Difficulty: MediumNetwork Types and Topologies

A network administrator is configuring infrastructure for an enterprise organization. The organization requires a dedicated, high-speed network to transfer block-level data between server clusters and storage arrays within the primary data center. Additionally, the organization must establish connectivity between corporate headquarters and multiple regional branch offices located across different states. Which network types correctly fulfill these two operational requirements? (Select TWO.)

  1. SAN (Storage Area Network) for high-speed block-level storage trafficAnswer
  2. WAN (Wide Area Network) for connecting geographically dispersed branch officesAnswer
  3. C
    LAN (Local Area Network) for interconnecting branch offices across different states
  4. D
    PAN (Personal Area Network) for high-speed data center storage traffic

Answer

SAN (Storage Area Network) for high-speed block-level storage traffic, and WAN (Wide Area Network) for connecting geographically dispersed branch offices
Storage Area Networks (SANs) are high-speed, dedicated networks that deliver block-level storage access between servers and storage arrays in a data center. Wide Area Networks (WANs) interconnect networks across large geographic distances, making them necessary for connecting headquarters to branch offices in separate states.

Step-by-Step Solution

1
Analyze the requirement for block-level storage transfer within the data center
Identify that a Storage Area Network (SAN) is specifically designed to provide high-speed block-level storage fabric for servers and disk arrays.
General Local Area Networks do not provide dedicated block-level storage traffic isolation and specialized performance.
2
Analyze the requirement for connecting distant office locations across different states
Identify that a Wide Area Network (WAN) is required to span large geographic distances between headquarters and branch offices.
LAN boundaries are limited to a single physical location or facility.

Key Concept

Geographic and functional scoping of network classifications (SAN, WAN, LAN, PAN)
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Topics

Network Types and Topologies

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