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An administrator determines that a vSphere Standard Switch is dropping all inbound frames to a specific virtual machine. The behavior appeared in the last two days.
Which configuration setting, if changed during this timeframe, would result in this behavior?
A. MAC address changes
B. Forged Transmit
C. Traffic Shaping
D. Jumbo Frames
Correct Answer: A
Explanation/Reference:
Explanation:
When the MAC Address Changes policy is set to Reject, the the virtual machine will no longer receive any traffic-until its initial MAC address and effective MAC address match.
Incorrect Answers:
B: Forged Transmits policies affect traffic that is transmitted from a virtual machine, i.e. outgoing traffic.
C: Traffic shaping policies are used to control network bandwidth.
D: A jumbo frame is an Ethernet frame with a payload size >1,500 bytes and < or = 9,000 bytes.
References:
Atkinson, Brian, VMware Certified Professional-Data Center Virtualization on vSphere 5.5 Study Guide: VCP-550, Sybex, Indianapolis, 2014, pp 204, 205, 212