Refer to the Exhibit.
Which statement is true about the network performance of the virtual machine in the exhibit?
A.
The virtual machine can send traffic as fast as the underlying physical NIC.
B.
The underlying physical NIC is configured for 100Mbps/half-duplex.
C.
Virtual switch autonegotiation settings must to be adjusted to improve performance.
D.
The virtual machine can send at the maximum of 10Mbps.
Why correct answer is not D ?
The Guest OS would only be able to send at 10MB. Correct answer would be D. right?
I got this in my exam today… I said “D”. 🙁
Yes….The correct answer is not D because you can configure the network settings to anything that you wantt but it will be limited to your physical hardware. If you only have a 1gb switch on the back end you wont get 10gb out to the internet.
Dzemboc,
That is in the case when VM is configured for a speed faster, than the physical hardware can handle. But in this case the physical NIC might support 1Gig, and VM is configured with 10Meg network. I think this should limit the VM to it’s logical NIC’s capability of 10Meg.
Also, a note on C: Virtual switch autonegotiation settings must to be adjusted to improve performance. The negotiation takes place w/ the network adapters, NOT the vswitch. Just a heads up, cause this threw me at first.
Trixsie hobbitses!
I think this should clear it up. Correct answer is A here.
http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=856
Question is what is “true” about the (this) Exhibit. We can see the NIC “IS” connected at 10Mbps. However we do not know what’s the actual max speed of the underlying underlying physical NIC. So A is wrong, D is correct
…however when vlance adaptor is used it will show 10 Mbps even though its using fast as the underlying physical NIC..so A is right…lol
None of the above. A vNIC can send traffic as fast as the underlying physical NIC (A) IF the VM is sending traffic to an external physical network. If the VM is sending to another VM on the same port group then it will send as fast as the VMKernel can process it.