350-601 Question #191: Real Exam Question with Answer & Explanation

Question

An engineer must connect a Cisco UCS appliance port directly to NFS and iSCSI storage devices. Which action should be taken to achieve this goal?

Options

• AConfigure NFS and iSCSI to use the same VLAN tag on the appliance port
• BConfigure the appliance ports in access mode and apply VLAN tagging on the storage
• CConfigure the appliance ports in trunk mode and apply VLAN tagging on the storage
• DConfigure VLAN tagging on the storage and the Cisco UCS simultaneously

Explanation

To connect a Cisco UCS appliance port directly to both NFS and iSCSI storage devices, the appliance ports must be configured in trunk mode to carry multiple VLANs, with VLAN tagging applied on the storage devices to separate traffic.

Common mistakes.

• A. Configuring NFS and iSCSI to use the same VLAN tag on the appliance port would merge their traffic, violating best practices for network segmentation and potentially causing issues for distinct storage protocols.
• B. Access mode ports are designed for a single VLAN and would not be able to carry both NFS and iSCSI traffic if they are on different VLANs, which is a common requirement.
• D. While VLAN tagging is needed on both the storage and the UCS side, this option is too general and does not specify the crucial trunk mode configuration on the UCS appliance port itself for carrying multiple VLANs.

Concept tested. Cisco UCS appliance port configuration for multi-VLAN storage

Reference. https://www.cisco.com/c/en/us/td/docs/unified_computing/ucs/sw/gui/config/guide/3-0/b_UCSM_GUI_Configuration_Guide_3_0/b_UCSM_GUI_Configuration_Guide_3_0_chapter_01011.html#concept_AC441C2A539B45C4A8D37B0909A65E1E

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