What are two advantages of using Cisco FEX devices in the data center design? (Choose two.)

Question

Options

• ATraffic-forwarding decisions are made by the Cisco FEX device.
• BCisco FEX devices must be upgraded when the parent switch is upgraded.
• CTraffic-forwarding decisions are made by the parent switch, resulting in easier troubleshooting
• DCisco FEX devices do not have to be upgraded when the parent switch is upgraded, resulting in
• ECisco FEX devices can be part of two different VDCs.

• C
  96% (22)
• E
  4% (1)

Explanation

Cisco Fabric Extender (FEX) devices act as remote line cards of a parent switch (e.g., Nexus 5000/7000). All traffic-forwarding decisions are made by the parent switch, not the FEX itself - this centralization simplifies troubleshooting since the control plane logic resides in one place (C). Because the FEX offloads all intelligence to the parent switch, FEX devices run minimal local software and do not require independent upgrades when the parent switch is upgraded, reducing maintenance overhead (D). Option A is incorrect because FEX devices do not make forwarding decisions. Option B is the opposite of D - it is a disadvantage, not an advantage. Option E is incorrect because a FEX belongs to a single VDC, not two.

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