VMware Certified Professional - Data Center Virtualization (VCP-DCV) Practice Exam

When booting from Software Fiber Channel over Ethernet (FCoE), which two considerations should administrators keep in mind?

1. Multipathing is not supported at pre-boot.

2. Software FCoE boot configuration can be changed from within ESXi.

3. Boot LUN cannot be shared with other hosts even on shared storage.

4. Software FCoE boot firmware cannot export information in FBFT format.

The correct answer is: Boot LUN cannot be shared with other hosts even on shared storage.

When considering booting from Software Fiber Channel over Ethernet (FCoE), understanding the limitations surrounding the Boot LUN is essential. The correct assertion regarding this topic is that the Boot LUN cannot be shared with other hosts, even when utilizing shared storage. This is crucial because, during the boot process, the host must have exclusive access to the Boot LUN to ensure that the operating system can load properly and maintain consistency without contention or data corruption that might arise from multiple hosts attempting to access the same LUN simultaneously. In contrast, other considerations you might evaluate include the understanding that while multipathing is an important feature in SAN configurations to provide redundancy and load balancing, it is not applicable during the pre-boot phase—where only a single path is generally established for boot up. Additionally, boot configuration adjustments from within ESXi concerning Software FCoE must align with specific requirements and capabilities, which could introduce complexity. Lastly, the limitation of the boot firmware regarding the inability to export information in FBFT (Firmware Boot API) format relates to how properly the system can report and utilize firmware capabilities for boot optimization. Overall, the key point is that the exclusivity of access to the Boot LUN is paramount during the boot process to ensure a successful