VMware VCAD510 Online Practice Questions and Exam Preparation

VMware VCAD510 Online Questions & Answers

• Question 61:

  Which vSphere feature allows hardware maintenance to be performed at any time without impacting application availability?

  A. CPU Hotplug
  B. Enhanced vMotion Compatibility
  C. vMotion
  D. Cold migrations
  B. Enhanced vMotion Compatibility

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  Reference: http://www.vmware.com/files/pdf/vmotion_info_guide.pdf (page 6, enhanced vmotion compatibility)

• Question 62:

  You are considering moving from an environment in which each physical server hosts a single application, and each application is backed up on a specified timeframe. The proposed environment will consist of virtual machines that perform the role of their physical counterparts. Your manager is trying to determine the best way to backup these applications once the project is complete. Which technology provides a backup solution for virtual machines?

  A. Distributed Power Management (DPM)
  B. high Availability (HA)
  C. vCenter
  D. vSphere Data Protection (vDP)
  D. vSphere Data Protection (vDP)

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  Reference: http://www.vmware.com/files/pdf/techpaper/Introduction-to-Data-Protection.pdf

• Question 63:

  What is a virtual switch used to do? (Choose two.)

  A. Replace physical switches to save money.
  B. Connect VMs to the physical network.
  C. Connect the ESXi OS to the physical network.
  D. Connect to Fibre Channel storage.
  A. Replace physical switches to save money.
  B. Connect VMs to the physical network.

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  Reference: http://pubs.vmware.com/vsphere-55/index.jsp?topic=%2Fcom.vmware.vcli.examples.doc % 2Fcli_manage_networks.11.2.html

• Question 64:

  What is a scalability challenge that vSphere can address?

  A. Virtual machines require less administration
  B. Servers can be overclocked to provide extra processing speed
  C. CPUs and Memory can be added to servers without an outage
  D. Virtual networks have more capacity than physical networks
  C. CPUs and Memory can be added to servers without an outage

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  Reference: http://www.yellow-bricks.com/2012/01/16/enabling-hot-add-by-default-cc- gabvirtualworld/

• Question 65:

  You are explaining virtualization to your manager when he asks you to explain the term "hypervisor". Which of the following statements best describes the function of the hypervisor?

  A. A CPU emulator that translates old programming code into new CPU instructions.
  B. Software responsible for allocating hardware resources to a virtual machine.
  C. Software that simulates different operating systems.
  D. A monitoring application installed within virtual machines.
  B. Software responsible for allocating hardware resources to a virtual machine.

• Question 66:

  Your manager is concerned that there are too many physical servers to be managed by a single vCenter instance. What can you tell her to reassure her about the scalability of vCenter?

  A. vCenter can manage up to 1,000 physical servers and 10,000 virtual machines
  B. vCenter can manage up to 3,000 physical servers and 30,000 virtual machines
  C. vCenter is used only to manage an ESXi server on a one-to-one basis
  D. vCenter can manage up to 5,000 physical ESXi servers and 25,000 virtual machines
  A. vCenter can manage up to 1,000 physical servers and 10,000 virtual machines

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  Reference: http://www.vmware.com/products/vcenter-server/features.html (see scalable and extensible platform)

• Question 67:

  Your boss asks you to make sure your VMs are recoverable in the event of data corruption or a major storage failure. Which feature do you tell him meets that requirement?

  A. Data Protection
  B. Fault Tolerance
  C. High Availability
  D. Storage vMotion
  A. Data Protection

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  Reference: http://kb.vmware.com/selfservice/microsites/search.do? language=en_USandcmd=displayKCandexternalId=2016565

• Question 68:

  You are in an interview for a position as a VMware administrator. You have been asked for a definition for virtual switch. Which of the following would be a good definition?

  A. A virtual switch can act like a router handling traffic between VMs on separate subnets
  B. A virtual switch allows up to 500 VMs to share the same 1 GbE adapter through Network I/O Control (NIOC)
  C. A virtual switch allows VMs to communicate with each other and with physical devices.
  D. A virtual switch allows VMware to segment a physical switch to isolate VM traffic
  C. A virtual switch allows VMs to communicate with each other and with physical devices.

• Question 69:

  You are discussing vSphere features with your manager. He asks you: "What is vFlash?" What do you tell him?

  A. A tool that improves the network performance of your VMs.
  B. A tool that improves the disk performance of your VMs.
  C. A tool that quickly replicates your VMs to a remote site.
  D. A tool that provides snapshots of your VMs.
  B. A tool that improves the disk performance of your VMs.

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  Reference: http://www.yellow-bricks.com/2013/08/26/introduction-to-vsphere-flash-read-cache- aka-vflash/

• Question 70:

  You are the VMware administrator for a community college. You have several virtual machines that have very read-intensive workloads, and they are beginning to indicate some disk latency during peak periods. You would like to decrease the storage latency for these VMs. Which of the following would be a possible solution?

  A. Migrate each of the VMs to a larger datastore
  B. Migrate each of the VMs to a Thin-Provisioned datastore
  C. Configure vFlash for each of the VMs
  D. Delete any snapshots to reduce disk overhead
  B. Migrate each of the VMs to a Thin-Provisioned datastore

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  Reference: http://www.joshodgers.com/tag/thin-provisioning/