Hard questions on VCP Mock exam;

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Missed Questions:

Question: Which of the following is a limitation of VMware Server 1.0? Incorrect response(s): It does not support using Microsoft Cluster Services in virtual machines Explanation: The answer is "It does not support dynamic resource management." VMware Server is a production-ready virtualization platform that supports 64-bit operating systems and 2-way virtual SMP. It can also access any storage hardware that they underlying host can, including SAN storage. There are no intrinsic limitations on what you can do inside virtual machines, so Microsoft Cluster Services will work fine assuming you have the appropriate hardware. However, since VMware server is a hosted product, it is not in complete control of the underlying resources. Thus, VMware Server does not have the ability to dynamically allocate resources to guest operating systems. Those “decisions” are made by the host OS.

Question: When installing ESX Server, you are getting several pop-up warning windows asking if you want to initialize each of the internal and external drives that the server detects – “Yes” or “No”. There are over 100 LUNs that are visible to the server. You do not intend to immediately use any of the SAN storage that the ESX Server is attached to, but will probably use four or five of the LUNs some time in the future. Which of the following should you do? Incorrect response(s): Click “No” in all of the warning windows so that you will not risk losing any data. Explanation: The correct answer is "Unplug the SAN cable from the server and restart the installation process." Clicking “Yes” on all of the warning windows in this scenario would not only take a large amount of time, but could also potentially destroy data on a LUN. Clicking “No” on all of the warning windows would mean that you would have no storage available whatsoever, including your local drives. This is not a hard drive detection issue, so performing a hardware check will not fix the problem. The proper way to address the issue would be to mask out unneeded LUNs at the SAN, however if that is not an option, simply unplugging the SAN cable and restarting the installation will allow you to safely install only on local storage.

Question: Which of the following technologies would provide the best chance of uninterrupted service in the event of an ESX Server hardware failure? Incorrect response(s): VMware HA Clusters Explanation: The correct answer is " Microsoft Cluster Services" It’s important to understand what VMware technologies will and will not do. VCB is a backup technology, not a high availability technology. DRS will migrate a virtual machine to balance resources, but that cannot happen if hardware failure happens before the migration takes place. HA will restart virtual machines, however that does not provide uninterrupted service – simply quick recovery from an event. Thus, of the technologies listed, only Microsoft Cluster Services could provide truly uninterrupted service in the event of hardware failure.